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Season 1 Episode 20 | 5m 37s Video has closed captioning.
More than 4 billion years ago, the crust of the Earth was still cooling and the oceans were only beginning to form. But in recent years, we’ve started to discover that, even in this hellish environment, life found a way.
Aired: 02/15/18
That Time Oxygen Almost Killed Everything
What if we told you that there was a time when oxygen almost wiped out all life on Earth?
How Two Microbes Changed History
More than two billion years ago, a tiny living thing started to live inside another thing.
The Other Explosion You Should Know About
The Sudden burst of diversity that marked the dawn of truly complex life on our planet.
What Was the Ancestor of Everything?
The search for our origins go back to a single common ancestor.
Where did viruses come from and how did they evolve? Are viruses alive?
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!
