US army to be powered by waste

(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.

Canada's nitrogen footprint shows great regional variation

Reactive nitrogen emissions contribute to greenhouse gases, as well as air and water pollution. For the first time, researchers from McGill University have calculated Canada's nitrogen footprint (akin to a carbon footprint) ...

Surprise at fossil discovery made in Tanzania

Ancient animal tracks dated almost two-million years old have been unearthed accidentally by Heriot-Watt University scientists from the Lyell Center in Edinburgh.

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