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NOVA
Oldest DNA Ever Found Reveals Secrets of the Ancient Arctic
Scientists have retrieved the oldest DNA ever, which points to an ecosystem unlike anything on Earth today.
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53:38
Explore big discoveries that have revolutionized our understanding of the universe.
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53:40
Find out who’s using your data and what you can do about it.
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53:34
Explore the spectacular cosmic phenomenon of a total solar eclipse.
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53:30
Explore the promise and perils of new A.I. technologies.
![Hunt for the Oldest DNA](https://kcet.brightspotcdn.com/dims4/default/8e11ef6/2147483647/strip/true/crop/1920x1080+0+0/resize/1440x810!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FZDGJntJ-asset-mezzanine-16x9-zAVhx7v.jpg)
53:10
Follow the quest to recover DNA millions of years old for the very first time.
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53:29
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
![Easter Island Origins](https://kcet.brightspotcdn.com/dims4/default/036674d/2147483647/strip/true/crop/1920x1080+0+0/resize/1440x810!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FF80r6qy-asset-mezzanine-16x9-vJqBdDE.jpg)
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53:17
New evidence reveals the real story of Easter Island and the builders of its stone heads.
![When Whales Could Walk](https://kcet.brightspotcdn.com/dims4/default/edb8fcb/2147483647/strip/true/crop/1920x1080+0+0/resize/1440x810!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FJ0pg5Ms-asset-mezzanine-16x9-xJZHyrO.jpg)
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53:31
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
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53:31
A family turns to science in their struggle to rediscover a history obscured by slavery.
![The Battle to Beat Malaria](https://kcet.brightspotcdn.com/dims4/default/af1124a/2147483647/strip/true/crop/1920x1080+0+0/resize/1440x810!/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2Fs8bGou8-asset-mezzanine-16x9-X7ItYng.jpg)
53:54
Follow the quest to create a lifesaving malaria vaccine.
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53:20
The inside story of China’s meteoric rise to the forefront of global innovation.
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53:15
How did Earth give rise to humans? See what made our species' existence possible.