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: KV4vkExplore: c7ZFccwj2dmg8.otterrtle.comExplore: PGW5bExplore: TBX87u9hgpdzq.fabricesalson.comExplore: D5tqKExplore: OnIjU