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Season 1 Episode 19 | 12m 8s Video has closed captioning.
By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life’s history. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the Geologic Time Scale.
Aired: 02/15/18
The Last Time the Globe Warmed
Imagine an enormous, lush rainforest teeming with life...in the Arctic.
The Whole Saga of the Supercontinents
So if we want to know how we got here, we have to understand how "here" got here.
From the Cambrian Explosion to the Great Dying
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
From the Fall of Dinos to the Rise of Humans
The Cenozoic marks the rise of organisms that look a lot like us.
Preview: 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.
Explore Eons Now!
