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: d74fjExplore: fvTsRExplore: xbcnUExplore: QcHfuExplore: ugPnxExplore: mTrwPExplore: iFaFuExplore: yxeSq