Archive: 28/10/2009

The Sun's Sneaky Variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. Clouds of gas ...

dateOct 28, 2009 in Space Exploration
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Scientists Cryopreserve Pest-Imperiled Ash Trees

(PhysOrg.com) -- Using cryopreservation methods, Agricultural Research Service (ARS) scientists have devised a procedure for storing frozen budwood from ash trees (Fraxinus) and thawing the delicate buds for later use in ...

dateOct 28, 2009 in Ecology
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