Season 5 · Episode 28 of 31
Aired Nov 17, 2021
When It Was Too Hot for Leaves
Wed, Nov 17, 2021
0 of 31 watched this season
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?
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Airs
Wed, Nov 17, 2021
Show
PBS Eons
246 episodes
Episode
S5 · E28
in PBS Eons