High-pressure gas refrigerants leaking from the cooling systems that chill supermarket display cases are a major source of environmental pollution, according to engineers at the University of

at least one out of every eight known plant species on the Earth is threatened with exinction or nearly extinct, says the first international survey of plant diversity. Sixteen organisations

Hydroelectricity can now be generated without the need of costly civil works and installation of complex machinery

federal biologists have released nearly a dozen Mexican gray wolves from chain-link pens into the remote ponderosa forests and meadows in the White mountains of eastern Arizona. The us

A ban on insecticides in the US may throw up more problems than it seeks to solve. The sufferers will include children suffering from asthma

Every kid knows that E=mc 2 . But this time, physicists are working backwards, converting energy into matter

The emissions from the engines

How to get those malfunctioning satellites back home?

ford Motor Company and the us oil giant Mobil have announced a collaboration to improve fuel economy and cut emissions from cars through new technology. Mobil chairperson Lucio Noto and Ford

the drug proscar has been shown to reduce the need for surgery to treat enlarged prostrate glands. In a new study, the men who took the drug required prostrate-reduction surgery only half as often