For the first 80 million years of plants' existence, leaves didn't exist. Here's why.

When It Was Too Hot for Leaves Eons

Premiered November 17, 2021
When It Was Too Hot for Leaves

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?

About the Program

Eons

Join hosts Michelle Barboza-Ramirez, 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.

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