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Preview</title><link>http://watch.thirteen.org/video/1756649967/</link><description>Premiering February 23, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1756649967/</guid><pubDate>01/21/2011</pubDate><media:description>Premiering February 23, 2011 on PBS</media:description><media:content medium="video" duration="30028" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/279/nsn-000505-OriginsSolar-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1756649967/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Robotic Cars</title><link>http://watch.thirteen.org/video/1801235517/</link><description>Tiny, battery-powered cars called EN-Vs can talk to each other and drive themselves.</description><guid>http://watch.thirteen.org/video/1801235517/</guid><pubDate>02/24/2011</pubDate><media:description>Tiny, battery-powered cars called EN-Vs can talk to each other and drive themselves.</media:description><media:content medium="video" duration="394266" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/694/812/nsn-000506-RoboCars-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1801235517/" /><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Transportation &amp; Infrastructure</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Transportation &amp; Infrastructure</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Profile: Jay Keasling</title><link>http://watch.thirteen.org/video/1801235544/</link><description>A synthetic biologist raised on a Nebraska farm is on a quest for clean-burning biofuels.</description><guid>http://watch.thirteen.org/video/1801235544/</guid><pubDate>02/24/2011</pubDate><media:description>A synthetic biologist raised on a Nebraska farm is on a quest for clean-burning biofuels.</media:description><media:content medium="video" duration="705466" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/694/812/nsn-000506-ProfileJay-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1801235544/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Smart Grid</title><link>http://watch.thirteen.org/video/1801235533/</link><description>Our electric grid is inefficient and shows signs of strain. 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This neurobiologist has glimpsed the possibility.</description><guid>http://watch.thirteen.org/video/1790648809/</guid><pubDate>02/18/2011</pubDate><media:description>Can we erase bad memories with a shot? This neurobiologist has glimpsed the possibility.</media:description><media:content medium="video" duration="858333" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/684/713/nsn-000505-ProfileAndre-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1790648809/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | What&#39;s the Next Big Thing? Preview</title><link>http://watch.thirteen.org/video/1799802990/</link><description>Greet the future: social robots, a &quot;smart&quot; electric grid, microbes that make diesel fuel, and more. Airs February 23, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1799802990/</guid><pubDate>02/18/2011</pubDate><media:description>Airs February 23, 2011 on PBS</media:description><media:content medium="video" duration="30000" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/693/437/nsn-000506-SocialRobo-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1799802990/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><category domain="PBS/taxonomy/topic">Transportation &amp; Infrastructure</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Transportation &amp; Infrastructure</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Lice and Human Evolution</title><link>http://watch.thirteen.org/video/1790635347/</link><description>Icky and itchy, yes, but lice hold important clues to human evolution.</description><guid>http://watch.thirteen.org/video/1790635347/</guid><pubDate>02/18/2011</pubDate><media:description>Icky and itchy, yes, but lice hold important clues to human evolution.</media:description><media:content medium="video" duration="652933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/684/700/nsn-000505-Lice-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1790635347/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Revealing the Origins of Life</title><link>http://watch.thirteen.org/video/1790640610/</link><description>How did molecules first make the leap from non-living to living?</description><guid>http://watch.thirteen.org/video/1790640610/</guid><pubDate>02/18/2011</pubDate><media:description>How did molecules first make the leap from non-living to living?</media:description><media:content medium="video" duration="650666" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/684/705/nsn-000505-OriginsLife-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1790640610/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Origins of the Solar System</title><link>http://watch.thirteen.org/video/1790621534/</link><description>A supernova may have triggered the formation of our sun and planets</description><guid>http://watch.thirteen.org/video/1790621534/</guid><pubDate>02/18/2011</pubDate><media:description>A supernova may have triggered the formation of our sun and planets</media:description><media:content medium="video" duration="782600" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/684/686/nsn-000505-OriginsSolar-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1790621534/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Smart Are Animals? Preview</title><link>http://watch.thirteen.org/video/1743800956/</link><description>Premiering February 9, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1743800956/</guid><pubDate>01/14/2011</pubDate><media:description>Premiering February 9, 2011 on PBS</media:description><media:content medium="video" duration="30000" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/640/19/nsn-000504-Dolphins-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1743800956/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Profile: Irene Pepperberg &amp; Alex</title><link>http://watch.thirteen.org/video/1778560467/</link><description>Her 30-year relationship with a parrot changed our notions of bird intelligence.</description><guid>http://watch.thirteen.org/video/1778560467/</guid><pubDate>02/18/2011</pubDate><media:description>Her 30-year relationship with a parrot changed our notions of bird intelligence.</media:description><media:content medium="video" duration="715012" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/673/172/nsn-000504-ProfileIrene-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1778560467/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Smart Are Dogs?</title><link>http://watch.thirteen.org/video/1778564622/</link><description>Meet an extraordinary boarder collie and other dogs changing our view of dog intelligence.</description><guid>http://watch.thirteen.org/video/1778564622/</guid><pubDate>02/18/2011</pubDate><media:description>Meet an extraordinary boarder collie and other dogs changing our view of dog intelligence.</media:description><media:content medium="video" duration="892157" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/673/176/nsn-000504-Dogs-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1778564622/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Smart Is an Octopus?</title><link>http://watch.thirteen.org/video/1778564635/</link><description>Hold your fork - octopuses and other mollusks are more intelligent than you may think.</description><guid>http://watch.thirteen.org/video/1778564635/</guid><pubDate>02/18/2011</pubDate><media:description>Hold your fork - octopuses and other mollusks are more intelligent than you may think.</media:description><media:content medium="video" duration="598192" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/673/176/nsn-000504-Cephalapod-thumb__162197.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1778564635/" /><category domain="PBS/taxonomy/topic">Arts &amp; Entertainment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Entertainment</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Smart Are Dolphins?</title><link>http://watch.thirteen.org/video/1778560486/</link><description>These brainy marine mammals can &quot;read,&quot; plan ahead, and communicate in astounding ways.</description><guid>http://watch.thirteen.org/video/1778560486/</guid><pubDate>02/18/2011</pubDate><media:description>These brainy marine mammals can &quot;read,&quot; plan ahead, and communicate in astounding ways.</media:description><media:content medium="video" duration="650971" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/673/172/nsn-000504-Dolphins-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1778560486/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Smart Are Animals?</title><link>http://watch.thirteen.org/video/1777525840/</link><description>Dogs, dolphins, parrots and even octopuses (mere mollusks!) may be smarter than you think.</description><guid>http://watch.thirteen.org/video/1777525840/</guid><pubDate>02/18/2011</pubDate><media:description>Dogs, dolphins, parrots and even octopuses (mere mollusks!) may be smarter than you think.</media:description><media:content medium="video" duration="3186474" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/672/186/nsn-000504-Dolphins-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1777525840/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Dolphin Reading Test</title><link>http://watch.thirteen.org/video/1780875103/</link><description>Watch as a dolphin&#39;s reading ability is put to the test.</description><guid>http://watch.thirteen.org/video/1780875103/</guid><pubDate>02/09/2011</pubDate><media:description>Watch as a dolphin&#39;s reading ability is put to the test.</media:description><media:content medium="video" duration="157933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/675/384/dolphin-reading-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1780875103/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Clip</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Magnetic Mind Control</title><link>http://watch.thirteen.org/video/1757258624/</link><description>Using magnetic wands, researchers can control brain functions and treat depression.</description><guid>http://watch.thirteen.org/video/1757258624/</guid><pubDate>02/04/2011</pubDate><media:description>Using magnetic wands, researchers can control brain functions and treat depression.</media:description><media:content medium="video" duration="650971" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/873/nsn-000503-MindControl-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1757258624/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Profile: David Eagleman</title><link>http://watch.thirteen.org/video/1757362944/</link><description>A neuroscientist finds inventive and terror-inducing ways to study the brain.</description><guid>http://watch.thirteen.org/video/1757362944/</guid><pubDate>02/04/2011</pubDate><media:description>A neuroscientist finds inventive and terror-inducing ways to study the brain.</media:description><media:content medium="video" duration="699570" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/975/nsn-000503-ProfileDavid-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1757362944/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can Machines Think Like Us?</title><link>http://watch.thirteen.org/video/1757243172/</link><description>A computer named Watson is the latest contestant in machine v. human battles.</description><guid>http://watch.thirteen.org/video/1757243172/</guid><pubDate>02/04/2011</pubDate><media:description>A computer named Watson is the latest contestant in machine v. human battles.</media:description><media:content medium="video" duration="791289" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/858/nsn-000503-Artificial-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1757243172/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Magic and the Brain</title><link>http://watch.thirteen.org/video/1757229644/</link><description>Neuroscientists join Penn and Teller to explore why humans are so easily fooled by magic.</description><guid>http://watch.thirteen.org/video/1757229644/</guid><pubDate>02/04/2011</pubDate><media:description>Neuroscientists join Penn and Teller to explore why humans are so easily fooled by magic.</media:description><media:content medium="video" duration="727690" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/845/nsn-000503-PsychologyMagic-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1757229644/" /><category domain="PBS/taxonomy/topic">News &amp; Public Affairs</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs</media:category><category domain="PBS/taxonomy/topic">Arts &amp; Entertainment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Entertainment</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Does the Brain Work?</title><link>http://watch.thirteen.org/video/1757221034/</link><description>Investigate the psychology of magic tricks, magnetic wands, artificial intelligence, and more.</description><guid>http://watch.thirteen.org/video/1757221034/</guid><pubDate>02/04/2011</pubDate><media:description>Explore the psychology of magic tricks, magnetic wands, artificial intelligence, and more.</media:description><media:content medium="video" duration="3186427" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/652/837/nsn-000503-Artificial-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1757221034/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | How Does the Brain Work? Preview</title><link>http://watch.thirteen.org/video/1754201538/</link><description>Premiering February 2, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1754201538/</guid><pubDate>01/20/2011</pubDate><media:description>Premiering February 2, 2011 on PBS</media:description><media:content medium="video" duration="30000" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/649/960/nsn-000503-Artificial-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754201538/" /><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Replacing Body Parts</title><link>http://watch.thirteen.org/video/1754537562/</link><description>Custom-made hearts, lungs, and kidneys could revolutionize organ transplantation.</description><guid>http://watch.thirteen.org/video/1754537562/</guid><pubDate>01/27/2011</pubDate><media:description>Custom-made hearts, lungs, and kidneys could revolutionize organ transplantation.</media:description><media:content medium="video" duration="815043" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/264/nosn-000502-BodyParts-thumb__257749.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754537562/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Aging</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Aging</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Change Blindness</title><link>http://watch.thirteen.org/video/1769197543/</link><description>How can we miss big visual changes that happen right before our eyes?</description><guid>http://watch.thirteen.org/video/1769197543/</guid><pubDate>01/27/2011</pubDate><media:description>How can we miss big visual changes that happen right before our eyes?</media:description><media:content medium="video" duration="51007" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/664/244/change-blindness-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1769197543/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><pbsvideo:content_type>Clip</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can We Slow Aging?</title><link>http://watch.thirteen.org/video/1754557053/</link><description>A gene called FOXO may be a real elixir of longevity. Can all of us harness its power?</description><guid>http://watch.thirteen.org/video/1754557053/</guid><pubDate>01/27/2011</pubDate><media:description>A gene called FOXO may be a real elixir of longevity. Can all of us harness its power?</media:description><media:content medium="video" duration="690979" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/283/nosn-000502-SlowAging-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754557053/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Aging</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Aging</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can My Car Live Forever?</title><link>http://watch.thirteen.org/video/1754492120/</link><description>Irv Gordon has driven his 1966 Volvo more than 2.7 million miles. How?</description><guid>http://watch.thirteen.org/video/1754492120/</guid><pubDate>01/27/2011</pubDate><media:description>Irv Gordon has driven his 1966 Volvo more than 2.7 million miles. How?</media:description><media:content medium="video" duration="307037" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/220/nosn-000502-CarMileage-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754492120/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Physics &amp; Mathematics</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Physics &amp; Mathematics</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Transportation &amp; Infrastructure</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Transportation &amp; Infrastructure</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Human Hibernation</title><link>http://watch.thirteen.org/video/1754582995/</link><description>Medical researchers are testing therapies that cool down patients to save their lives.</description><guid>http://watch.thirteen.org/video/1754582995/</guid><pubDate>01/27/2011</pubDate><media:description>Medical researchers are testing therapies that cool down patients to save their lives.</media:description><media:content medium="video" duration="515645" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/308/nosn-000502-Hibernation-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754582995/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can We Live Forever?</title><link>http://watch.thirteen.org/video/1754457671/</link><description>See artificial organs, suspended animation, genes that impact aging, and lifelike avatars.</description><guid>http://watch.thirteen.org/video/1754457671/</guid><pubDate>01/27/2011</pubDate><media:description>See artificial organs, suspended animation, genes that impact aging, and lifelike avatars.</media:description><media:content medium="video" duration="3187960" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/186/nosn-000502-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754457671/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Aging</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Aging</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Profile: Jason Leigh</title><link>http://watch.thirteen.org/video/1754575129/</link><description>Computer scientist Jason Leigh may achieve immortality by creating an avatar of himself.</description><guid>http://watch.thirteen.org/video/1754575129/</guid><pubDate>01/27/2011</pubDate><media:description>Computer scientist Jason Leigh may achieve immortality by creating an avatar of himself.</media:description><media:content medium="video" duration="568733" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/650/301/nosn-000502-JasonLeigh-hires.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1754575129/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Space Food</title><link>http://watch.thirteen.org/video/1741712617/</link><description>How do you keep food fresh on a three-year round-trip to Mars?</description><guid>http://watch.thirteen.org/video/1741712617/</guid><pubDate>01/20/2011</pubDate><media:description>How do you keep food fresh on a three-year round-trip to Mars?</media:description><media:content medium="video" duration="411387" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/638/28/nosn-000501-SpaceFood-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1741712617/" /><category domain="PBS/taxonomy/topic">Culture &amp; Society</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Culture &amp; Society</media:category><category domain="PBS/taxonomy/topic">Food</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Food</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Fitness &amp; Nutrition</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Fitness &amp; Nutrition</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Plasma Rockets</title><link>http://watch.thirteen.org/video/1741722591/</link><description>A new rocket might be able to zip us to Mars and back in under three months.</description><guid>http://watch.thirteen.org/video/1741722591/</guid><pubDate>01/20/2011</pubDate><media:description>A new rocket might be able to zip us to Mars and back in under three months.</media:description><media:content medium="video" duration="398942" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/638/37/nosn-000501-PlasmaRocket-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1741722591/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Space Dangers</title><link>http://watch.thirteen.org/video/1741656835/</link><description>Can we protect Mars-bound astronauts from deadly meteoroids, radiation, and other hazards?</description><guid>http://watch.thirteen.org/video/1741656835/</guid><pubDate>01/20/2011</pubDate><media:description>Can we protect Mars-bound astronauts from deadly meteoroids, radiation, and other hazards?</media:description><media:content medium="video" duration="799137" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/637/997/nosn-000501-SpaceDangers-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1741656835/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Physics &amp; Mathematics</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Physics &amp; Mathematics</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Profile: Vandi Verma</title><link>http://watch.thirteen.org/video/1741736013/</link><description>A daredevil engineer born in India now drives the Mars rovers.</description><guid>http://watch.thirteen.org/video/1741736013/</guid><pubDate>01/20/2011</pubDate><media:description>A daredevil engineer born in India now drives the Mars rovers.</media:description><media:content medium="video" duration="598656" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/638/51/nosn-000501-VandiVerma-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1741736013/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Next-Generation Space Suits</title><link>http://watch.thirteen.org/video/1741682176/</link><description>Today&#39;s suits are bulky. MIT&#39;s Dava Newman is out to change that with a sleek new design.</description><guid>http://watch.thirteen.org/video/1741682176/</guid><pubDate>01/20/2011</pubDate><media:description>Today&#39;s suits are bulky. MIT&#39;s Dava Newman is out to change that with a sleek new design.</media:description><media:content medium="video" duration="645352" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/637/1022/nosn-000501-SpaceSuits-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1741682176/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Physics &amp; Mathematics</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Physics &amp; Mathematics</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can We Make It to Mars?</title><link>http://watch.thirteen.org/video/1752557302/</link><description>See new space suits, foods, and rockets that may support future Mars-bound astronauts, and meet a Mars rover driver.</description><guid>http://watch.thirteen.org/video/1752557302/</guid><pubDate>01/20/2011</pubDate><media:description>See new space suits, foods, plasma rockets, and meet a Mars rover driver.</media:description><media:content medium="video" duration="3186358" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/648/378/nosn-000501-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1752557302/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Video Short: Magic and Autism</title><link>http://watch.thirteen.org/video/1675013829/</link><description>A magician&#39;s sleight of hand may not fool people with autism.</description><guid>http://watch.thirteen.org/video/1675013829/</guid><pubDate>12/10/2010</pubDate><media:description>A magician&#39;s sleight of hand may not fool people with autism.</media:description><media:content medium="video" duration="109933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/574/428/magic-autism-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1675013829/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Video Short: Cosmic Ray Danger</title><link>http://watch.thirteen.org/video/1675008673/</link><description>Berries may alleviate cellular damage caused by cosmic radiation.</description><guid>http://watch.thirteen.org/video/1675008673/</guid><pubDate>12/10/2010</pubDate><media:description>Berries may alleviate cellular damage caused by cosmic radiation.</media:description><media:content medium="video" duration="225422" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/574/423/cosmic-rays-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1675008673/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can We Live Forever? Preview</title><link>http://watch.thirteen.org/video/1696239096/</link><description>Premiering January 26, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1696239096/</guid><pubDate>12/14/2010</pubDate><media:description>Premiering January 26, 2011 on PBS</media:description><media:content medium="video" duration="31066" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/594/676/nosn-000502-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1696239096/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Can We Make It to Mars? Preview</title><link>http://watch.thirteen.org/video/1696239071/</link><description>Premiering January 19, 2011 on PBS</description><guid>http://watch.thirteen.org/video/1696239071/</guid><pubDate>12/14/2010</pubDate><media:description>Premiering January 19, 2011 on PBS</media:description><media:content medium="video" duration="30000" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/594/676/nosn-000501-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1696239071/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Promotion</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Sleep, First Primates, Earthquakes in the Midwest, Sang-Mook Lee</title><link>http://watch.thirteen.org/video/1233237984/</link><description>Season 4: Episode 8</description><guid>http://watch.thirteen.org/video/1233237984/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 8</media:description><media:content medium="video" duration="3164113" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/153/110/nosn-000408-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1233237984/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">News &amp; Public Affairs</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">News &amp; Public Affairs</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><category domain="PBS/taxonomy/topic">Earth</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Earth</media:category><category domain="PBS/taxonomy/topic">Psychology &amp; The Mind</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Psychology &amp; The Mind</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Ask the Expert: What Got You Interested in Science?</title><link>http://watch.thirteen.org/video/1339044256/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office to answer viewer questions. In this video, Neil explains what got him interested in science as a kid.</description><guid>http://watch.thirteen.org/video/1339044256/</guid><pubDate>09/14/2010</pubDate><media:description>Neil deGrasse Tyson explains what got him interested in science as a kid.</media:description><media:content medium="video" duration="174266" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/13/AskExpertScienceInspirationTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1339044256/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type><dcterms:valid>end=2012-11-09</dcterms:valid></item><item><title>NOVA scienceNOW | Saving Hubble Update, Gangster Birds, How Memory Works</title><link>http://watch.thirteen.org/video/1225996652/</link><description>Season 4: Episode 7</description><guid>http://watch.thirteen.org/video/1225996652/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 7</media:description><media:content medium="video" duration="3167689" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/146/207/nosn-000407-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1225996652/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Ask the Expert: Can We See the Beginning of the Universe?</title><link>http://watch.thirteen.org/video/1339044300/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office hours to answer viewer questions. In this video, Neil explains how new telescopes will help us see the origins of the universe.</description><guid>http://watch.thirteen.org/video/1339044300/</guid><pubDate>09/14/2010</pubDate><media:description>Neil deGrasse Tyson explains how to see the origins of the universe.</media:description><media:content medium="video" duration="82533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/13/AskNeilOriginsUnivTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1339044300/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><pbsvideo:content_type>Clip</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Public Genomes, Algae Fuel, Mystery of the Gakkel Ridge, Yoky Matsuoka</title><link>http://watch.thirteen.org/video/1216982026/</link><description>Season 4: Episode 6</description><guid>http://watch.thirteen.org/video/1216982026/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 6</media:description><media:content medium="video" duration="3168850" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/137/620/nosn-000406-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1216982026/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Earth</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Earth</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><category domain="PBS/taxonomy/topic">Energy &amp; Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Energy &amp; Environment</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Ask the Expert: Are There Eleven Dimensions?</title><link>http://watch.thirteen.org/video/1339037390/</link><description>NOVA scienceNOW astrophysicist Neil deGrasse Tyson holds office to answer viewer questions. In this video, Neil explains the dimensions of the universe.</description><guid>http://watch.thirteen.org/video/1339037390/</guid><pubDate>09/14/2010</pubDate><media:description>Neil deGrasse Tyson helps a viewer understand all dimensions of the universe.</media:description><media:content medium="video" duration="148066" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/254/6/AskNeilDimensionsTHUMB.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1339037390/" /><category domain="PBS/taxonomy/topic">Arts &amp; Entertainment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Arts &amp; Entertainment</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Moon Smasher, Secrets in the Salt, Bird Brains, Lonnie Thompson</title><link>http://watch.thirteen.org/video/1197885396/</link><description>Season 4: Episode 5</description><guid>http://watch.thirteen.org/video/1197885396/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 5</media:description><media:content medium="video" duration="3148066" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/119/402/nosn-000405-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1197885396/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Earth</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Earth</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | The Science of Picky Eaters, Smart Marine Mammals, Sangeeta Bhatia, Capturing Carbon</title><link>http://watch.thirteen.org/video/1191147025/</link><description>Season 4: Episode 4</description><guid>http://watch.thirteen.org/video/1191147025/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 4</media:description><media:content medium="video" duration="3143733" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/112/990/nosn-000404-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1191147025/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><category domain="PBS/taxonomy/topic">Earth</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Earth</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Energy &amp; Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Energy &amp; Environment</media:category><category domain="PBS/taxonomy/topic">Transportation &amp; Infrastructure</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Transportation &amp; Infrastructure</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Marathon Mouse, Dinosaur Plague, Franklin Chang-Diaz, Space Storms</title><link>http://watch.thirteen.org/video/1177846411/</link><description>Season 4: Episode 3</description><guid>http://watch.thirteen.org/video/1177846411/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 3</media:description><media:content medium="video" duration="3152642" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/100/289/nosn-000403-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1177846411/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Fitness &amp; Nutrition</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Fitness &amp; Nutrition</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><category domain="PBS/taxonomy/topic">Environment</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Environment</media:category><category domain="PBS/taxonomy/topic">Weather &amp; Natural Disasters</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Weather &amp; Natural Disasters</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><category domain="PBS/taxonomy/topic">Transportation &amp; Infrastructure</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Transportation &amp; Infrastructure</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Dinosaur Plague</title><link>http://watch.thirteen.org/video/1893797003/</link><description>Insects caught in amber spark a controversial theory about what killed the dinosaurs.</description><guid>http://watch.thirteen.org/video/1893797003/</guid><pubDate>04/26/2011</pubDate><media:description>Insects caught in amber spark a controversial theory about what killed the dinosaurs.</media:description><media:content medium="video" duration="905133" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/783/68/dinosaur-plague-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1893797003/" /><category domain="PBS/taxonomy/topic">History</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">History</media:category><category domain="PBS/taxonomy/topic">Prehistoric</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Prehistoric</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Hunt for Alien Earths, Art Authentication, Maydianne Andrade, Autism Genes</title><link>http://watch.thirteen.org/video/1174241079/</link><description>Season 4: Episode 2</description><guid>http://watch.thirteen.org/video/1174241079/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 2</media:description><media:content medium="video" duration="3139036" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/96/864/nosn-000402-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1174241079/" /><category domain="PBS/taxonomy/topic">Health Care &amp; Illnesses</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health Care &amp; Illnesses</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Animals</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Animals</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><category domain="PBS/taxonomy/topic">Communications &amp; Media</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Communications &amp; Media</media:category><category domain="PBS/taxonomy/topic">Space</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Space</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Diamond Factory, Anthrax Investigation, Auto-Tune, Luis von Ahn</title><link>http://watch.thirteen.org/video/1168232965/</link><description>Season 4: Episode 1</description><guid>http://watch.thirteen.org/video/1168232965/</guid><pubDate>09/14/2010</pubDate><media:description>Season 4: Episode 1</media:description><media:content medium="video" duration="3122549" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/91/117/nosn-000401-thumb.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1168232965/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biography &amp; Profiles</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biography &amp; Profiles</media:category><category domain="PBS/taxonomy/topic">Technology</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Technology</media:category><pbsvideo:content_type>Episode</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Video Short: Memory In Action</title><link>http://watch.thirteen.org/video/1487046071/</link><description>Itzhak Fried taps into a patient&#39;s brain and witnesses how memories are recalled.</description><guid>http://watch.thirteen.org/video/1487046071/</guid><pubDate>09/14/2010</pubDate><media:description>Itzhak Fried taps into a patient&#39;s brain and witnesses how memories are recalled.</media:description><media:content medium="video" duration="187400" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/162/nova-000000-thumb-memoryAction.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1487046071/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type><dcterms:valid>end=2012-10-22</dcterms:valid></item><item><title>NOVA scienceNOW | Video Short: A Memorable Snail</title><link>http://watch.thirteen.org/video/1486991645/</link><description>What can a spineless sea snail teach us about our brains and how memory works?</description><guid>http://watch.thirteen.org/video/1486991645/</guid><pubDate>09/14/2010</pubDate><media:description>What can a spineless sea snail teach us about our brains and how memory works?</media:description><media:content medium="video" duration="228466" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/109/nova-000000-thumb-memorableSnail.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1486991645/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Video Short: Aiding Aging Muscles</title><link>http://watch.thirteen.org/video/1486988011/</link><description>See how &quot;exercise in a pill&quot; could one day help the elderly and the bedridden.</description><guid>http://watch.thirteen.org/video/1486988011/</guid><pubDate>09/14/2010</pubDate><media:description>See how &quot;exercise in a pill&quot; could one day help the elderly and the bedridden.</media:description><media:content medium="video" duration="214600" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/105/nova-000000-thumb-aidAgingMuscles.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1486988011/" /><category domain="PBS/taxonomy/topic">Health</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Health</media:category><category domain="PBS/taxonomy/topic">Aging</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Aging</media:category><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type></item><item><title>NOVA scienceNOW | Video Short: Martian Salt</title><link>http://watch.thirteen.org/video/1487039597/</link><description>Cellulose survived 250 million years on Earth. Could it survive in salt deposits on Mars?</description><guid>http://watch.thirteen.org/video/1487039597/</guid><pubDate>09/14/2010</pubDate><media:description>Cellulose survived 250 million years on Earth. Could it survive in salt deposits on Mars?</media:description><media:content medium="video" duration="170933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/156/nova-000000-thumb-MartianSalt.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1487039597/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type><dcterms:valid>end=2012-10-22</dcterms:valid></item><item><title>NOVA scienceNOW | Video Short: Was it Weaponized?</title><link>http://watch.thirteen.org/video/1487071330/</link><description>Scientists determine whether the 2001 anthrax was been specially engineered to disperse.</description><guid>http://watch.thirteen.org/video/1487071330/</guid><pubDate>09/14/2010</pubDate><media:description>Scientists determine whether the 2001 anthrax was been specially engineered to disperse.</media:description><media:content medium="video" duration="127933" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/187/nova-000000-thumb-wasitweaponized.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1487071330/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Biology &amp; Chemistry</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Biology &amp; Chemistry</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type><dcterms:valid>end=2012-10-22</dcterms:valid></item><item><title>NOVA scienceNOW | Video Short: Going Lunar for Less</title><link>http://watch.thirteen.org/video/1487035092/</link><description>With ingenuity and spare parts, LCROSS is exploring a big question on a small budget.</description><guid>http://watch.thirteen.org/video/1487035092/</guid><pubDate>09/14/2010</pubDate><media:description>With ingenuity and spare parts, LCROSS is exploring a big question on a small budget.</media:description><media:content medium="video" duration="175533" /><media:thumbnail url="http://www-tc.pbs.org/cove-media/http/PBS_CP_NOVA_scienceNOW/395/151/nova-000000-thumb-LunarLess.jpg" type="image/jpeg" height="60" width="142" /><media:player url="http://watch.thirteen.org/video/1487035092/" /><category domain="PBS/taxonomy/topic">Science &amp; Nature</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Science &amp; Nature</media:category><category domain="PBS/taxonomy/topic">Astronomy</category><media:category scheme="http://www.pbs.org/rss/pbscontent/taxonomy/topic">Astronomy</media:category><pbsvideo:content_type>Segment</pbsvideo:content_type><dcterms:valid>end=2012-10-22</dcterms:valid></item></channel></rss>

