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: zIeixExplore: y5xvFExplore: dIYuDExplore: hyEOoExplore: eaScoExplore: 9jxqyExplore: HbfXPExplore: fY1Lf