Answers to Science Questions

28 June 2009

With the budget introducing the £2000 subsidy to scrap old cars, I'm trying to figure out how much energy and...

21 June 2009

Why do washing powders remove stains but not dyes?

14 June 2009

Is the Earth leaking? Could water evaporate into space? Given enough time could the Earth end up like Mars: a desolate...

07 June 2009

Where would be the best place for an asteroid to strike the Earth? Would deep ocean, land or polar ice cap be the...

31 May 2009

We ask how the mega-fast growing blooms of sunflowers track the sun and whether they can do the same with the moon.