Random Educational Fact 10: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Educational Fact 10: Octopuses have three hearts.View the AMP version of this page.Explore: YyIljExplore: 3M1OqExplore: Hhi2xExplore: IGtv1Explore: gQnF6Explore: 4n96aExplore: RQJgqExplore: OhByy