Archive: 09/21/2009

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 ...

Sep 21, 2009 5 / 5 (1) 0

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.

Sep 21, 2009 2 / 5 (1) 3

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.

Sep 21, 2009 not rated yet 0

Fed judge says grizzlies still threatened

(AP) -- A federal judge in Montana restored protections Monday for an estimated 600 grizzly bears in and around Yellowstone National Park, citing in part a decline in their food supply caused by climate change.

Sep 21, 2009 not rated yet 0