August 12, 2013 10:40 pm Teachers on Dive for Megalodon Teeth Also Find WWII Plane Wreck Wes and Kerry Kirpach, who are both teachers, regularly travel to Venice, Fla., to scuba dive and search for teeth from extinct sharks. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:49 New guidelines say women should be screened every other year for breast cancer starting at 40 2:28 King Charles returns to public duties amid cancer diagnosis