It's pretty obvious something's gone wrong when you get a sunburn, but did you know a tan means you've damaged your DNA? Dive into the three Ss of summer and learn all about how to protect yourself from the sun. See omnystudio.com/listener for privacy information.

In the last decade American schools became enrapt by a new psychological concept centered on persevering. Things went south when they started attaching funding to it. See omnystudio.com/listener for privacy information.