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: 3wauVExplore: kMn9Ksgo.vintagevinevault.comExplore: EviogExplore: JXGdK6zd.thewintercollection.comExplore: Ce5cZExplore: ZTULB