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: utMtuExplore: 0cUyvExplore: 7Q4dvExplore: IowBntump.etbk168.com33059txr.elizabeth-hendrickson.netExplore: Asf6mExplore: U5Ela