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Eons
That Time Oxygen Almost Killed Everything
Season 1
Episode 7
What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you’d never recognize, too much of a good thing almost ruined everything for everybody.
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9:54
A new group of predators began to hunt nautiloids

9:11
Some of the most important genes were once considered genomic junk.

9:57
How is it possible to have cataclysmic eruptions without any real cataclysm?

10:42
Our brains actually shrank relative to our bodies in evolution.

7:23
Hidden in rocks may have animal kingdom’s oldest known predator.

9:26
Hidden in rocks may have animal kingdom’s oldest known predator.

8:09
We explore what we have in common with our ancient cousins.

9:19
We have become the ultimate niche builders.

9:58
Beneath their shell, the crustaceans hold an evolutionary mystery.

7:20
The answer is part of a decades-long debate.

10:04
In Australia, evolution built a family of deadly predators.

7:28
We focus on the DNA we got from our Neanderthals.