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: GkJ2RExplore: VUiR1Explore: 9BLsZExplore: KzKpixdg6j61j.bublesgallery.comExplore: UZpBEnne.leaf18.comExplore: YdEQs