#JunkOff: Why Animal Genitals Are Important to Science

Did you know that male black widow spiders have corkscrew-shaped genitals? If you've been following scientists on Twitter in the past week or so, you probably do. "It all goes back to the basis of animal behavior and evolution," said Anne Hilborn, a doctoral student at Virginia Tech and cheetah researcher who launched #JunkOff and helped start the warmer-and-fuzzier follow-up hashtag, #CuteOff.