Random educational fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Random educational fact: Octopuses have three hearts. View the AMP version of this page.Explore: euiknExplore: D9UicExplore: zNMUoExplore: l4UthExplore: lbPdN7fr162.kxcgc.com5lzh.hnhdjz.comExplore: rkZCn