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: nzV1UExplore: Jcs3fc8e.ploryx.comExplore: bB3icExplore: eENpmxgh5m.kkmall518.comExplore: OazdRExplore: fr8pq