Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The age of anesthesia began in 1846, when a man named Edward Abbott ...

Identical twin sisters Miki Keller and Donna Keller are inseparable. The 49-year-olds from Los Angeles live near each other, vacation together and even feel each other's pain. "When she broke her back ...

Our brains constantly work to make predictions about what’s going on around us, for instance to ensure that we can attend to and consider the unexpected. A new study examines how this works during ...