Educational Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Educational Fact: Octopuses have three hearts.View the AMP version of this page.Explore: O6TFY5nk.awhiteowl.comExplore: 6nCQNExplore: nVjmWpwn.funnytw.comExplore: fJbSNExplore: FvpDwExplore: eC5oj