How do dogs identify other dogs?
Question of the Week
We solve the weirdest, wackiest, funniest and funkiest scientific questions, queries and puzzles...
Climate change is bad news for polar bears. What would happen if we gave them a new home?
Why is gooseberry jam red, when gooseberries are green?
How many people are needed to avoid inbreeding in a population?
How much of a wheat field do you need to make one loaf of wholemeal bread?