Why does a candle start to make more smoke and smell after it's blown out?...
Question of the Week
We solve the weirdest, wackiest, funniest and funkiest scientific questions, queries and puzzles...
10 August 2015
How many people are needed to avoid inbreeding in a population?
20 July 2015
How much of a wheat field do you need to make one loaf of wholemeal bread?