What’s got loads of tentacles and, according to legend, snacks on gigantic sailing ships? It’s not a trick question and it’s no joke either. The answer is one of the most mythical sea creatures of all, an animal so enormous that it's rumoured to have sunk ocean vessels and terrorised sailors for centuries. It’s known as the Kraken.  Mysteries of Science is a multi-award-winning, fortnightly podcast created by The Week Junior's Science+Nature magazine and Fun Kids. Tap follow or subscribe wherever you're listening to this to make sure you never miss an episode. Get three copies of The Week Junior's Science+Nature magazine for just £5. sciencenature.theweekjunior.co.uk/podcast is the place to claim yours. See omnystudio.com/listener for privacy information.