07:32
Eons
The Ghostly Origins of the Big Cats
Scientists have recently discovered a major clue about the origins of the big cats.
- TV-Y7
How Volcanoes Froze the Earth...Twice
Join hosts Kallie Moore, Michelle Barboza-Ramirez, Gabriel Santos, 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.
How Volcanoes Froze the Earth...Twice
Season 2 Episode 29 | 10m 29s | CC
Over 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent today.
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