The next time you crave a sweet treat, go ahead and buy a bag of jellybeans—guilt free. Your indulgence will be in the interest of science. "Just be sure to get a good jellybean—not a cheap, generic ...

Taste is one of our most vital senses, shaping appetite, nutrition, and quality of life. Yet taste buds are fragile, relying heavily on the nerves that connect them to the brain. When those nerves are ...