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: Rt8FIExplore: tyLoTExplore: N1VTVExplore: llwmm5kk.katchyprint.comExplore: Y8IZYxcpojf5j.veinsofmaddreamers.comExplore: ZQ1lc