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

Dave's World is a factoid paradise where we learn the things we never knew we needed to know.

Today's edition includes the 27th letter of the alphabet, why sneezing at 60mph could be lethal and an airport with a dodgy sounding code.

I dunno how he does it!?

Check out Dave's facts in full by pressing the play button on screen.