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Episode 15 | 5m 37s
Besides the blue of the oceans, the dominant color of our planet, as we know it, is green. But imagine a time when the Earth looked a little … purple.
Aired: 02/15/18
Video has closed captioning.
When The Earth Was Purple
The Age of Reptiles in Three Acts
Reptiles in time grew to become some of the largest forms of life ever to exist on earth.
How the Chalicothere Split In Two
How did two of the same kind of animal end up looking so different?
Ancestors of cephalopods all had shells until it proved to be their biggest weakness.
What Was the Ancestor of Everything?
The search for our origins go back to a single common ancestor.
We talk to Amy Atwater, Collections Manager at the Museum of the Rockies.
The Most Useful Fossils In The World
Mysterious fossils can be used to tell time in the deep past.
What a Dinosaur Looks Like Under a Microscope
What has been observed and learned from putting dinosaur bones under a microscope.
The Other Explosion You Should Know About
The Sudden burst of diversity that marked the dawn of truly complex life on our planet.
From the Cambrian Explosion to the Great Dying
The Paleozoic Era is one of the most chaotic times in Earth's history. Find out why!
The Whole Saga of the Supercontinents
So if we want to know how we got here, we have to understand how "here" got here.
