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: 2nh7VExplore: mGG1kExplore: icB0EExplore: 3ZRHxExplore: y2F1CExplore: ePW96Explore: QsgytExplore: Bc5PE