Chewing gum is an everyday item we often buy on a whim, chew for a little while, and then throw away without much thought. Since we don’t usually think of gum as food, many people don’t really ...

Diemer mixed creativity, curiosity and instinct with a little bit of luck and pink food coloring to change the reason humans chew. The young man, just 23 at the time, had no scientific training. But ...