The appendix is a small organ situated between the small and large intestines. For a long time, scientists didn't know its function and deemed it useless. In fact, it was seen as potentially dangerous ...

For years, the appendix was brushed off as a useless leftover from human evolution. Many of us grew up believing that it served no real purpose and was better off removed at the first sign of trouble.

Kelly Clarkson hosted the Billboard Music Awards Wednesday night (and sang two songs during the show), looking flawless as per usual-but after the show, the 37-year-old singer says she had "broken ...