Octopus arms have a mind of their own: When they're amputated, the arms live on for at least an hour, moving around and grasping things.
Who would win a thirty meter race: Olympic champion Usain Bolt, or a neon flying squid?
For Australian cuttlefish, where males outnumber females four to one, how does a runt male stand a chance finding a mate? Learn more on this Moment of Science.
What creature has more than one heart? Find out on this Moment of Science.