Facial expressions of emotion—such as the joyful smile you might display when encountering a friend or your angry frown when being cut off in traffic—are powerful social signals that are able to evoke ...

Leonard Mlodinow has made a career out of trying to understand mysteries, both as a theoretical physicist and as a science writer. He's written 11 books on topics as disparate as the way randomness ...

Carcass of Beef by French artist Chaim Soutine, c. 1925. Source: Wikimedia Commons/Public Domain. “There was never the least attention paid to what was cut up for sausage… there would be meat that had ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...