It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective trick why turtles the world over have shells today? The answer is that ...

Nuclear explosions can have far-reaching consequences on the environment and people surrounding a detonation site. After a nuclear weapon test, for example, particles and gases from an explosion ...

Based on Satoshi Kawasaki's encyclopedia which illustrates what it would be like if the human body acquired the bodily mechanics of various animals.