Archive: 19/12/2007

Earliest stage of planet formation dated

UC Davis researchers have dated the earliest step in the formation of the solar system -- when microscopic interstellar dust coalesced into mountain-sized chunks of rock -- to 4,568 million years ago, within a range of about ...

dateDec 19, 2007 in Astronomy
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Squirrels use snake scent

California ground squirrels and rock squirrels chew up rattlesnake skin and smear it on their fur to mask their scent from predators, according to a new study by researchers at UC Davis.

dateDec 19, 2007 in
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Elevated carbon dioxide changes soil microbe mix below plants

A detailed analysis of soil samples taken from a forest ecosystem with artificially elevated levels of atmospheric carbon dioxide (CO2) reveals distinct changes in the mix of microorganisms living in the soil below trembling ...

dateDec 19, 2007 in
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