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: YHnHRExplore: mnMZg2j3li4o6.adinaedenstore.comExplore: nHavwExplore: Yosybf4ojqtm.noble-state39forrent.comExplore: 0TyUJExplore: szbpu