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: GIGRhExplore: GDUobExplore: 7pYk3Explore: C1YQqExplore: kbIZ7Explore: QibOYExplore: CUMU7Explore: o4Ogq