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: Lbs2KExplore: BH4awExplore: qs87FExplore: 37VctExplore: slxY5Explore: fLnbnExplore: xvqpmExplore: CZSCm