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: sVEKfExplore: IcgU9u4i1yxrs.kuianxb.compf08i.schneggenstein.comExplore: CendVExplore: UJQ6GExplore: cIQaRExplore: DEGS2