How many facial expressions do humans make? Answer here
Where, according to historian Dr Graham Robb, is King Arthur’s Camelot? Answer here
How much do the Metropolitan Police in London spend on changing a light-bulb? Answer here
Who is the real Siri ( Apple's built-in speech-recognition "personal assistant".)? Answer here
What did Channel 4 allegedly pay Holocaust denier David Irving thousands of pounds for? Answer here
What are the top ten sounds that drive office staff round the bend? Answer here