
SciTech Now Episode 221
Special | 26m 46sVideo has Closed Captions
A high tech submarine allows for better underwater exploration and much more.
In this episode, a high tech submarine allows for better underwater exploration; an average nose can sense 1,200 flavors; mysterious stains on St. Louis' Gateway Arch prompt a tricky testing procedure; and the U.S. military is turning to microgrids to keep its power reliable and secure.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
SciTech Now is a local public television program presented by WLIW PBS

SciTech Now Episode 221
Special | 26m 46sVideo has Closed Captions
In this episode, a high tech submarine allows for better underwater exploration; an average nose can sense 1,200 flavors; mysterious stains on St. Louis' Gateway Arch prompt a tricky testing procedure; and the U.S. military is turning to microgrids to keep its power reliable and secure.
Problems playing video? | Closed Captioning Feedback
Where to Watch SciTech Now
SciTech Now is available to stream on pbs.org and the PBS app.
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
- Science and Nature

Explore scientific discoveries on television's most acclaimed science documentary series.

- Science and Nature

Capturing the splendor of the natural world, from the African plains to the Antarctic ice.












Support for PBS provided by:
SciTech Now is a local public television program presented by WLIW PBS