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Secrets in our DNA Preview

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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Season
Decoding the Universe: Quantum
53:40
Dive into the universe at the tiniest – and weirdest – of scales.
Solar System: Wandering Worlds
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53:34
Meet the surprising, oddball worlds moving around our solar system.
Solar System: Icy Worlds
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53:34
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Solar System: Volcano Worlds
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53:34
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Solar System: Strange Worlds
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53:34
What are the weirdest worlds in our solar system, and how did they come to be?
Solar System: Storm Worlds
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53:34
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Decoding the Universe: Cosmos
53:38
Explore big discoveries that have revolutionized our understanding of the universe.
Secrets in Your Data
53:40
Find out who’s using your data and what you can do about it.
Great American Eclipse
53:34
Explore the spectacular cosmic phenomenon of a total solar eclipse.
A.I. Revolution
53:30
Explore the promise and perils of new A.I. technologies.
Hunt for the Oldest DNA
53:10
Follow the quest to recover DNA millions of years old for the very first time.
Building the Eiffel Tower
53:29
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
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