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: 0h65KExplore: 2z5wRExplore: jfqeNExplore: Wd4x9Explore: 8asLbExplore: cz2lpExplore: XmYoLExplore: BHXU8