Up Next
Back to Show
Eons
How the T-Rex Lost Its Arms
Season 1
Episode 47
Tyrannosaurus rex was big, Tyrannosaurus rex was vicious, and Tyrannosaurus rex had tiny arms. The story of how T-Rex lost its arms is, itself, pretty simple. But the story of why it kept those little limbs, and how it used them? Well, that’s a little more complicated.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
8:03
What happened to the piece of prime prehistoric real estate known as Doggerland?
8:10
About 6,000 years ago, a lone female mosquito buzzed through the lush savannah in Africa.
9:01
The giraffe's neck as made us reconsider our understanding of how evolution really works.
11:03
Another epic planetary saga has also been unfolding right next door.
8:03
In between two islands of Indonesia, there’s a line that is both real and not real.
8:40
From an evolutionary perspective, who really has the stranger wings?
8:52
For plants in times of great stress and ecological upheaval, the more DNA the better
7:16
What’s the real story of the dodo?
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.