Dirt: the Filthy Reality of Everyday Life Main edition

Dirt is waste, excrement, rubbish - but what then is soil? Is cleanliness next to godliness - or sterility? And in a throwaway society, does the battle against dirt depend on an exploited and half-seen underclass of cleaners? This title is published to coincide with a major new exhibition at the Wellcome Collection in London in March 2011.