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!

Our in-house genius deciphered what the 2 'M's in 'M&M's' stand for, surprised us with a body part that keeps growing the older we get and revealed the visionary Bob Marley really was.

He also chatted about medicinal tomatoes and some extraordinary method acting in The Wolf of Wall Street.

You can listen to the fun in full by pressing play in the image above the headline at the top of the page.