In 2007, a controversial pesticide was approved by the Food and Drug Administration for use on fruit and vegetable crops, mainly in California and Florida. Farm workers and scientists protested the approval of the pesticide ...
Biochemistry
Feb 29, 2012
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(PhysOrg.com) -- Large areas of rainforests in Central Africa mysteriously disappeared over three thousand years ago, to be replaced by savannas. The prevailing theory has been that the cause was a change in climate, and ...
Changes of seasonal cycles are important to social and economic activities, agricultural planning in particular. Qian et al. quantified changes in the timings of 24 seasonal divisions conventionally known in China as the ...
Environment
Jan 24, 2012
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As a principal greenhouse gas, atmospheric methane is important to atmospheric chemical processes and climate change. In Vol. 56 of the Chinese Science Bulletin, a paper identified spatiotemporal variations of methane in ...
Environment
Jan 20, 2012
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A University of Colorado Boulder-led team excavating a Maya village in El Salvador buried by a volcanic eruption 1,400 years ago has unexpectedly hit an ancient white road that appears to lead to and from the town, which ...
Archaeology
Oct 5, 2011
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Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...
Environment
Aug 30, 2011
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A pattern of earthen berms, spread across a northern peninsula of the big island of Hawaii, is providing archeologists with clues to exactly how residents farmed in paradise long before Europeans arrived at the islands.
Archaeology
May 16, 2011
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(PhysOrg.com) -- A team of food scientists in Penn State's College of Agricultural Sciences has shown that an edible film can be used for wrapping ready-to-eat meat products to deliver a slow release of a naturally occurring ...
Biochemistry
Apr 14, 2010
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A report examining the impact of a global biofuels program on greenhouse gas emissions during the 21st century has found that carbon loss stemming from the displacement of food crops and pastures for biofuels crops may be ...
Environment
Oct 22, 2009
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Feeling stressed? Then try savoring the scent of lemon, mango, lavender, or other fragrant plants. Scientists in Japan are reporting the first scientific evidence that inhaling certain fragrances alter gene activity and blood ...
Other
Jul 22, 2009
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