Happy birthday, Viagra—it’s hard (heh) to believe that you just turned 15. And in case you didn’t know, there’s more to the little blue pill than just a lot of erections: according to The Independent, it can treat jet lag, MS, and strokes. And it can improve memory. And revive wilting flowers. And bring people back from the dead. (Okay, we made that last one up.) (independent.co.uk)