Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Watch Preview
NOVA
Mammal Origins
Season 53
Episode 4
The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal relatives survived global catastrophes, defying extinction and evolving into the vast array of mammals we know today – including us.
Support Provided By
1:36:42
After centuries of pseudoscience, researchers examine the causes of racial health disparities.
Unlock with PBS Passport
53:41
Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.
Unlock with PBS Passport
53:25
Explore key military technologies in the American colonies’ fight for freedom.
53:32
Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.
Unlock with PBS Passport
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.
53:35
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
Unlock with PBS Passport
53:40
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
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.