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!

This morning, Dave educated us on the reason Diet Coke is a nightmare for airline cabin crew, told us how lollipops can prevent adults from fighting, and revealed a new prosthetic called 'The Third Thumb'. It's bordering X-Men territory.

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