The Hardest Problem Evolution Ever Solved

Transcript

It is just so hard to be on land. Like, we're used to it, but it is kind of amazing that we are doing it. Out here, it's hot. It's bright. Temperatures swing wildly. We're constantly being bombarded by the sun's radiation. Fish don't have to fight gravity to stay upright. They have buoyancy. They don't need reinforced skeletons or tight skin or lun... Read More