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: dlvH1Explore: tkD7xExplore: ZVWw3Explore: HNYZHExplore: tsmy6Explore: QfoE2Explore: pVit7Explore: NNuM0