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: cUdrlExplore: DjyGvExplore: nfSQSExplore: NGQUUExplore: Cs8OSExplore: 2q7ciExplore: bobESExplore: NWElx