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NOVA
Secrets in our DNA
Season 48
Episode 1
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.
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53:34
Explore the spectacular cosmic phenomenon of a total solar eclipse.
53:30
Explore the promise and perils of new A.I. technologies.
53:10
Follow the quest to recover DNA millions of years old for the very first time.
53:29
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
53:17
New evidence reveals the real story of Easter Island and the builders of its stone heads.
53:31
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
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53:30
A family turns to science in their struggle to rediscover a history obscured by slavery.
53:54
Follow the quest to create a lifesaving malaria vaccine.
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.
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53:45
How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?
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53:47
See how life made the leap to land, turning a barren landscape into a lush, green world.