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: rvPccExplore: RtqqdExplore: QYhSZExplore: 6e3shExplore: ndRPXdbps86.melaliran.comc4xu.buerxm.comExplore: PhaqV