PBS
When Antarctica Was Green
Before the start of the Eocene Epoch about 56 million years ago--Antarctica was still joined to both Australia and South America. And it turns out that a lot of what we recognize about the southern hemisphere can be traced back to that...
Makematic
Oceans
Discover Earth's five oceans – from the vast Pacific to the icy Southern Ocean – uncovering unique features, marine life, and geographic features like the Mid-Atlantic Ridge.
Bizarre Beasts
The Bizarre Beast with Clear Blood
The crocodile icefish has clear blood, a genetic mutation that should have meant GAME OVER, but it didn't. It just happened in the right place at the right time.