Peter Brennan explains how changes in the Earth's ecosystem led to fire, which in turn shaped human evolution.| Big Think
Biologists, mathematicians, physicists, computer scientists, and engineers are all working to figure out how birds carry out these displays.| Big Think
The structure is fully developed in humans, partially developed in chimps, and completely absent in Old World monkeys.| Big Think
From slithering snakes to falling cats, here's how animals negotiate the laws of physics and use them to their advantage.| Big Think