How Atavisms Work
Have you ever seen a baby with a tail? How about a whale with legs? Believe it or not, these things happen. They're called atavisms, and they might help us figure out evolution.
Every once in awhile, an unsuspecting scientist will come across an animal with a very strange trait -- like a whale with legs. That's right, a whale with legs. Obviously, most whales don't have legs. So how did this… » Full Story on HowStuffWorks
Every once in awhile, an unsuspecting scientist will come across an animal with a very strange trait -- like a whale with legs. That's right, a whale with legs. Obviously, most whales don't have legs. So how did this… » Full Story on HowStuffWorks

