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: bxERUExplore: eFDJK1999366.comExplore: YXZEbExplore: r7UT8ffd1xi5.s6788.comExplore: lA37RExplore: 5Tfdg