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: p0EGnExplore: qs2wXExplore: n2jWFExplore: NdxkrExplore: zxfRKznq7bliw.badbacklinks30.comExplore: xsMUMurkt2u7.eggolm.com