News tagged with chemical environment

Puzzling comet composition solved?

For years comets have mystified scientists with their compositions that appear to have formed in both warm and cold environments, rather than in one location of a uniform temperature. But new research shows ...

Oct 05, 2011
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The 'Nose' Knows

(PhysOrg.com) -- Some might say it's as plain as the nose on your face. But detecting toxic or dangerous chemicals in the microgravity environment of space takes a little extra "sniffing." That’s why ENose, ...

Jan 12, 2010
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How Mercury Becomes Toxic In The Environment

(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to ...

Aug 18, 2009
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