People might be more hotheaded than we thought. In new research this week, scientists say they were able to create the first maps of healthy people’s brain temperatures. Their findings indicate that brain temperature varies widely depending on many factors, like the time of day and region of the...

It’s incredibly, record-breakingly, worryingly hot in multiple states right now. A heat wave sweeping over the U.S. this week is felling temperature records left and right. Grid operators are begging with customers to conserve energy to avoid blackouts and wildfires are spreading. The whole...