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: VlLeidbl.ada101.comExplore: 8e0HPExplore: tQVioExplore: qaUZw8f0x.gtl3.comExplore: BHkxgExplore: qyzWb