Facial expression control starts in a very old part of the nervous system. In the brain stem sits the facial nucleus, which ...

Conversation isn’t taught in school the way writing and public speaking are, so we have to pick it up on our own—which is one reason there’s such wide variation in how satisfying our conversations are ...

David Le Breton does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...