Archive: 03/25/2009

Clockwork plants

(PhysOrg.com) -- How do plants tell the time and the passing of the seasons? Plant scientists are enlisting the help of engineers in their quest to uncover the rhythms of circadian clocks.

Mar 25, 2009
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Study explores effects of herbicide drift on white oak

Herbicide drift, which occurs when pesticides "drift" from the targeted application area to a nearby non-targeted area, is a particular concern in Midwestern regions of the United States. In the Midwest, where the topography ...

Mar 25, 2009
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Who influences purchases of native plants?

Native plants are a growing niche market in the southeastern United States. Researchers have documented recent trends toward increased interest in native plants by landscape architects, wholesale and retail ...

Mar 25, 2009
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Erratic black holes regulate their growth (w/Videos)

(PhysOrg.com) -- New results from NASA's Chandra X-ray Observatory have made a major advance in explaining how a special class of black holes may shut off the high-speed jets they produce. These results suggest ...

Mar 25, 2009
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