Close The Science Behind Why Yawning Is Contagious Whether you're tired bored or see someone else do it, we all yawn. Angeli Kakade (@angelikakade) has the story. WFMY 8:56 AM. EDT September 01, 2017 TRENDING VIDEOS I40 Closure Four teens charged after home break-in on grandmother Good Samaritan Touches USC Community DEMO: How To Get Out Of Rip Current I40E Weekend Closure VERIFY: Did a photo capture a 30-ft. wave crashing NC pier? Replacements Yard Sale NOW: LulaRoe or LulaNO? NOW: LuLaRoe panel Belton Woman Harvests Huge Gator More Stories Panthers Host Saints in First Divisional Matchup of 2017 Sep 24, 2017, 11:32 a.m. BLOG: Panthers Go for 3-0 Start Vs. Saints Sep 17, 2017, 10:50 a.m. I-40 Closure Causes Travel Troubles For Drivers;… Sep 23, 2017, 6:51 p.m.