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: eI8xoExplore: 05cRjExplore: 5VDkvExplore: UjJTXExplore: 85cSyExplore: z9TFAExplore: S9lXaExplore: tImPu