Access to this video is a benefit for members through
Up Next
Back to Show
NOVA
Secrets in our DNA (with 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? This episode contains audio description, which is now a standard feature in more recent NOVA episodes.
Support Provided By
Season
53:32
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
53:40
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Unlock with PBS Passport
53:40
A long-lost ancient cemetery opens the door to a unique period in Egyptian history.
Unlock with PBS Passport
53:40
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
53:40
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
Unlock with PBS Passport
53:43
Can science reveal the secrets of mysterious objects seen in our skies?
53:40
Mysterious bodies are found under one of the world’s most famous cathedrals.
53:40
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
53:40
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
53:40
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
53:40
Dive into the universe at the tiniest – and weirdest – of scales.
Unlock with PBS Passport
53:34
Meet the surprising, oddball worlds moving around our solar system.