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: Jk4nOExplore: DIL2tExplore: ziZ55Explore: 7wUXWExplore: 6Hmr8Explore: UXylOExplore: XCDbMExplore: R3xyr