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11:46
The ability to make and use fire has fundamentally changed the arc of our evolution.
11:38
Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes.
8:33
The California condor is the biggest flying bird in N. America since the Pleistocene Epoch
9:21
Not too long ago, our early human ancestors were under threat of attack from predators.
