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!

He shocked us this morning with his stat on the amount of germs on your mobile, and also wowed us with some interesting facts about beavers, mosquitos and owls.

There's a nature programme in him somewhere I tell ya!!

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