ScienceDaily Environment Headlines
for Sunday, December 13, 2009
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New research may lead to new ways to control honeybee parasite (December 13, 2009) -- Ground-breaking discoveries could help protect honeybees from deadly parasites that have devastated commercial colonies. ... > full story
Synthetic protein mimics structure, function of metalloprotein in nature (December 13, 2009) -- Scientists have designed a synthetic protein that is both a structural model and a functional model of a native protein, nitric-oxide reductase. ... > full story
Studying hair of ancient Peruvians answers questions about stress (December 12, 2009) -- A first-of-its-kind archaeological study has detected the stress hormone cortisol in the hair of ancient Peruvians, who lived between 550 and 1532 A.D. ... > full story
Lightning-produced radiation a potential health concern for air travelers (December 12, 2009) -- New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be exposed to harmful levels of radiation. ... > full story
Forest deal at Copenhagen must avoid creating 'carbon refugees,' scientists urge (December 12, 2009) -- Forest dwellers must be included in the design of the upcoming forest deal at Copenhagen in order to avoid a humanitarian crisis, according to a scientist. ... > full story
Nerve-cell transplants help brain-damaged rats fully recover lost ability to learn (December 11, 2009) -- Nerve cells transplanted into brain-damaged rats helped them to fully recover their ability to learn and remember, probably by promoting nurturing, protective growth factors, according to a new study. ... > full story
Earth's atmosphere came from outer space, scientists find (December 11, 2009) -- The gases which formed the Earth's atmosphere -- and probably its oceans -- did not come from inside the Earth but from outer space, according to a new study. ... > full story
Appetite, consumption controlled by clockwork genes at cross-purposes in flies (December 11, 2009) -- One of the pioneers in research on sleep-wake circadian genes has discovered that fruit flies' appetite and consumption are controlled by two rival sets of clocks, one in neurons and the other in the fly fat body, which is analogous to the liver. ... > full story
Real human bone grown in tissue culture (December 11, 2009) -- Researchers have created a process that grows real human bone in tissue culture, which can be used to investigate how bones form, grow and fracture. ... > full story
Bacteria engineered to turn carbon dioxide into liquid fuel (December 11, 2009) -- Global climate change has prompted efforts to drastically reduce emissions of carbon dioxide, a greenhouse gas produced by burning fossil fuels. In a new approach, researchers have genetically modified a cyanobacterium to consume carbon dioxide and produce a liquid fuel precursor to isobutanol, which holds great potential as a gasoline alternative. The reaction is powered directly by energy from sunlight, or photosynthesis. ... > full story
U.S. forests and soils store equivalent of 50 years of nation's CO<sub>2</sub> emissions, new estimates find (December 11, 2009) -- The first phase of a groundbreaking national assessment estimates that US forests and soils could remove additional quantities of carbon dioxide from the atmosphere as a means to mitigate climate change. ... > full story
Swiss scientists measure glacial melting with light (December 11, 2009) -- The glaciers in Switzerland have been melting for years. Researchers now want to know more precisely how much ice is being lost -- and they are using the aid of light. ... > full story
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