James O'Brien's Mystery Hour

Washing Up - why the word 'up'? how tall do you have to be to not be affected by cutting raw onions and how do you treat restless leg syndrome?

Is a banana a herb, when do wasps sleep, why don't you see stars behind moonwalkers and why do estate agents always sponsor fetes?

Questions on Mystery hour today included: what does a barbecue mean, how do we know the atomic clock is accurate and how do they work out the bills for the street lights?

Talcum Powder? Why are dusters yellow, Where are all the stag beetles, Can space get too full? Why are south facing gardens better?

Questions today included: Is sound quality in film getting worse? Why are people coated in iodine before an operation? Does water reduce friction and why are peeled frozen prawns soft?

Why does the Queen's head face left on a stamp, how do fans make hot air cold? Why does honeysuckle smell more at night? When after the Norman conquest did we start to speak English again? And more...

Why are most batteries round, what is 20/20 vision, is the emergency siren copyrighted and why are there silent words in the English language?

Why do your eyelids puff up when you're tired. Why are some counties 'shires' and do Downing Street have to reply to all letters?

Today's questions included: How much saliva do we produce in a day, can different breeds of birds understand each other, what is 'duff' as in 'up the duff'? Plus why do Americans swap their fork to their right hand to eat?

If you've ever wondered "why", then this is the hour for you. Sometimes simple, sometimes intelligent, but almost always entertaining, probably the best hour of radio you could ever download!

What would happen if all the ice caps melted, do we defy age if we travel in space, is it true that dolphins are the only other creature to enjoy sexual relations?