Archive: 21/09/2009

Echoes of phlogiston in stem cell biology

Before it was learned that matter burns by taking up oxygen, most chemists sought to explain combustion as the release of a mysterious substance, which they named "phlogiston". Phlogiston theory was a conceptual breakthrough ...

dateSep 21, 2009 in Other
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Is nitrogen the new carbon?

In looking forward to the next Green Revolution, researchers have been carefully examining the role of nitrogen fixation in delivering successful crops around the globe.

dateSep 21, 2009 in Environment
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Google pays homage to H.G. Wells

Google provided an explanation Monday for flying saucers invading its celebrated logo -- the Internet giant was paying homage to British science fiction writer H.G. Wells.

dateSep 21, 2009 in Internet
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Nationwide study examines youth access to indoor tanning

Many indoor tanning businesses require parental consent for teenagers to use their facilities, but most would allow young tanners more than the government-recommended amount of exposure during the first week, according to ...

dateSep 21, 2009 in Other
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