August 1, 2013 10:42 am Raw Video: Bears Frolic When No One Is Looking A remote camera in a Canadian park captured bears rubbing a tree, which wildlife experts say is a way of communicating with other animals. US & World Videos 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed