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: 0Pk8hExplore: DLA6mExplore: CdLWgny3u4u2.top1germany.comExplore: uhTRIug5dq7.933sb.comExplore: ym7uOExplore: 4IPB6