HealthDid prior infection save British from vCJD? The low death toll in the UK from the human form of mad cow disease is one of the great puzzles of recent years, but it may now be explained ¿ìè¶ÌÊÓÆµ
EarthClean energy special: A greener goal for coal Like it or not, coal is here to stay. But that does not have to be a disaster for the climate, suggests Bennett Daviss Features