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 is was all about how bikes rule in Copenhagen, the ingenious was the Dutch protect their bikes in transit and how rabbits are afraid of...well, everything. 

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