The summers of my Midwestern childhood were sticky hot. During the day, backyard sprinklers, Popsicles and squirt gun battles helped us cool off. At night, we ran window fans and hoped for cooler air.
But those summer nights seem idyllic compared with the extraordinary heat waves that people around the world are suffering through now.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.