Imitation is a social glue in human society. We like people who imitate us. We call them friend. We will even tip them better! A new study finds similar responses in monkeys…

Chocolate doesn’t just tingle the tongue; it’s a soup of many compounds that affect the brain, including caffeine and theobromines. And it’s true: chocolate does affect women differently than men, says Anthony Auger, an assistant professor of psychology at UW-Madison.
Auger, who studies sex differences in the brain, agrees that women have a stronger craving for [...]