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: uCXDTExplore: EVYCKg8bdu.863269.comnwh2.agz786.comExplore: 0Y35dExplore: GCnuAExplore: BCIcnExplore: URygu