Back to Show
Eons
When It Was Too Hot for Leaves
Season 4
Episode 13
Plants first made their way onto land at least 470 million years ago but for their first 80 million years, leaves as we know them today didn’t exist. What held them back?
Support Provided By

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.

7:20
Seahorses are one of the ocean's worst swimmers but their origin story is great.

8:21
In recent years, Archaea's connection to us has been pretty huge and surprising.