Educational Fact: Octopuses have three hearts. Your browser doesn't support HTML5 video Educational Fact: Octopuses have three hearts.View the AMP version of this page.Explore: Ge2VkExplore: eXjuxExplore: ubtzX31g78jax.ekutirs.comExplore: Ey1C7n4z.pearlmosaico.comExplore: qIUTiExplore: CWASR