Secrets in our DNA

Season 48 Episode 1 | 53m 26s  | Video has closed captioning.  | Video has audio description

Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA. But what happens once the sample is in the hands of testing companies, and how accurate are their results? NOVA explores the power of genetic data to reveal family connections, ancestry, and health risks—and even solve criminal cold cases.

Aired: 01/13/21

Expires: 01/12/24

Rating: TV-PG

Problems Playing Video? | Closed Captioning

Major funding for "Secrets in our DNA" is provided by the Alfred P. Sloan Foundation. Major funding for NOVA is provided by the David H. Koch Fund for Science, the …




NOVA Labs is a free digital platform that engages teens and lifelong learners in games and interactives that foster authentic scientific exploration. Participants take part in real-world investigations by visualizing, analyzing, and playing with the same data that scientists use.