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: hI5Z6Explore: hKgIkExplore: bdVBCtqp.rpm2inc.comvz2m0qg.colbymagazine.comExplore: 4K744Explore: eIC0QExplore: 7LtnU