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: MZsHqExplore: Kd5CZExplore: 6kIFKExplore: jvv3vExplore: TGM81Explore: VUFGQExplore: JxfwcExplore: Y7Ejs