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Eons
Why Does Caffeine Exist?
Season 4
Episode 37
Today, billions of people around the world start their day with caffeine. But how and why did the ability to produce this molecule independently evolve in multiple, distantly-related lineages of flowering plants, again and again?
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10:28
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
8:40
So if we want to know how we got here, we have to understand how "here" got here.
6:11
In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand.
5:32
5 million years ago, a predator made its way onto the coastal plains of North America.
7:39
More than two billion years ago, a tiny living thing started to live inside another thing.
6:37
An unlikely group of pioneers ultimately made life on land possible -- the fungi.
9:54
Imagine an enormous, lush rainforest teeming with life...in the Arctic.
10:01
Dinosaurs have been found with some sort of fluff or even full-on plumage.
