Episodes
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When Mammals Only Went Out At Night
S4 Ep10 |Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
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History's Most Powerful Plants
S1 Ep13 |Fossil fuels are made from the remains of extinct organisms. - Image
The Age of Giant Insects
S1 Ep12 |Insects and other arthropods weren’t always so small. - Image
The Strange Case of the Buzzsaw Jaws
S1 Ep11 |A 270-million-year-old sea creature called Helicoprion that once swam the seas. - Image
The Extinction That Never Happened
S1 Ep10 |Natural history is full of living things that were long thought to have gone extinct only - Image
Dimetrodon: Our Most Unlikely Ancestor
S1 Ep9 |Take a close look and you might see a little bit of yourself. - Image
The Biggest Thing That Ever Flew
S1 Ep8 |Today, we’re familiar with two types of flying vertebrates -- birds and bats. - Image
That Time Oxygen Almost Killed Everything
S1 Ep7 |What if we told you that there was a time when oxygen almost wiped out all life on Earth? - Image
The Story of Saberteeth
S1 Ep6 |Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger.
About Eons
Join hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.