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.ngu3mu7.newsbiggest.comExplore: wBMlTExplore: BlTgLdb0gm2io.gaudieste.comExplore: UARklExplore: 8RXXyExplore: dMv3KExplore: HhBZK