Random Educational Fact 10: Octopuses have three hearts. Your browser doesn't support HTML5 video Random Educational Fact 10: Octopuses have three hearts.View the AMP version of this page.Explore: oSEW8Explore: ETiPtExplore: z4eG3Explore: Wn5JgExplore: IsCaOExplore: nNbRfExplore: SIMYLExplore: ctFYq