Season 49

Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
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Ice Age Footprints

How could a single ship cause a major supply chain crisis around the globe?
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Why Ships Crash

Dinosaur Apocalypse: The Last Day
Scientists use new fossils to reconstruct the day the dinosaurs died.
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Dinosaur Apocalypse: The Last Day

Dinosaur Apocalypse: The New Evidence
Striking new fossils paint a picture of life right before the asteroid impact.
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Dinosaur Apocalypse: The New Evidence

Determined: Fighting Alzheimer's
Follow three women enrolled in a new study to try to prevent Alzheimer’s.
Determined: Fighting Alzheimer's

Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
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Great Mammoth Mystery

Join biologists on an ingenious hunt for the clues hidden in animal poop.
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Secrets in the Scat

In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
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