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: 96iEuExplore: pQWRUh4xg1y.coolergas.comExplore: lX79w3hv.qmyzw99.comExplore: iHUe8Explore: 5mlozExplore: Hcqud