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: HtSD9Explore: FJ2KjExplore: 8jUwwExplore: FShRZExplore: HbGZcExplore: NDqooExplore: vyiq9Explore: lKXVH