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NOVA
How Much Coal Do People Burn Each Year?
This visualization uses Washington D.C.'s National Mall to show the scale of human coal consumption—and how much CO2 it adds to our atmosphere.
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53:39
Do speech buttons really allow dogs to talk to us? Scientists investigate.
53:39
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
53:31
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
53:41
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
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53:40
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
53:28
Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
53:21
Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.
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53:32
Discover how two revolutionary ancient inventions changed the course of humanity forever.
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53:25
Follow ancient humans’ journey into an icy and perilous new land.
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53:27
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.
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53:25
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
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53:32
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.