We all have that one friend who just loves to drop random facts into conversations, just to prove they know stuff. For Dermot, Dave is that friend!

If you’ve ever wondered why airports are laid out the way they are, what you can do at the speed of sound, or what colour eyes you’re best off having, then Dave’s World is the place for you!

Today it was fun facts about some creatures of the world as flamingos, moles, polar bears and ribbon worms all made the cut. But what on earth can sleep for over 1000 days??.

You can listen in full by pressing the 'play' button in the image above the headline.