Microbe fixes nitrogen at a blistering 92 degree Celsius
...extreme environmental conditions, such as the high temperatures and crushing pressures below the seafloor. If heat...d sand near an Italian beach and fixes nitrogen at temperatures up to 64 C. Nitrogen is necessary for all life because it is an essential part of amino acids and pr...Leibniz Prize winners 2007 announced
...e to determine pressures of about 300,000 bars and temperatures of 2,400 to 2,500 degrees Celsius. He also received great international attention for his research on the crystal chemistry of perovskite, a main component of Earths lower mantle. Falko Langenhorst studied mineralogy in Gieen and Mnster, where he g...Study finds oysters can take heat and heavy metals, but not both
...ies dangerous metabolic by-products while higher temperatures hamper the cellular processes that normally preven...-- from 0 to 4 degrees centigrade in the winter to temperatures as high as 35 degrees centigrade in the summer. According to Sokolova, past studies have shown that ...Project to intensify agricultural production in Great Lakes -- Africa's most impoverished region
...s are generally fertile, rainfall is abundant, and temperatures drop rapidly with increasing altitudes. Conservati...averages 1,200 meters. Rainfall is relatively low, temperatures are high, and most soils are infertile. "Population pressure in the lower plateaus has forced wi...Midges send undeniable message -- planet is warming
...arly, or completely, disappeared." Surface water temperatures in these lakes have risen anywhere from 0.5 to 1 d... huge increase, just a slight fluctuation in water temperatures can significantly affect the rate of egg and larval development," Porinchu said. And the majority ...Self-assembling nano-ice discovered at UNL -- Structure resembles DNA
... from 1.35 to 1.9 nanometers. They used Earth-like temperatures ranging from 117 degrees Fahrenheit to 9 degrees below zero F., but with pressures ranging from 10 to 40,000 atmospheres, with each series lasting no more than a few 10s of nanoseconds. Most of the experiments produced the expected tubular structur...From hot springs to rice farms, scientists reveal new insights into the secret lives of archaea
...philic archaea live in these shallow waters, where temperatures sometimes approach the boiling point. Rogers found...ce as many archaeal species at relatively moderate temperatures of 59 C (38 F) than at hotter vents where the thermometer reached 94 C (201 F). Climate change ...Global warming will reduce ocean productivity, marine life
... basis there is an inverse relationship increased temperatures cause decreased marine phytoplankton production. This climate response can be traced to increased stratification in the oceans, the study showed. When the ocean surface warms, it essentially becomes lighter than the cold, dense water bel...ACS News Service Weekly PressPac -- Nov. 29, 2006
...eed refrigeration, for instance, and can withstand temperatures of almost 200 degrees Fahrenheit. The researchers describe producing sdAbs to a smallpox virus surrogate, cholera toxin, and other biothreats by harvesting antibodies from a library of over a billion different sdAbs engineered in the laboratory, whi...Intensified research effort yields climate-resilient agriculture to blunt impact of global warming
... optimum, and where a 1 degree Celsius increase in temperatures during the growing season can result in a decline in yields of up to 10 percent. Under these conditions, photosynthesis slows or even ceases altogether, pollination is prevented, and dehydration sets in. With increased rainfall and flooding fore...Icelandic volcano caused historic famine in Egypt, says Rutgers-based team
... computer linked these reduced northern hemisphere temperatures to Laki, it also connected the dots to a weak monsoon the seasonal winds that bring the annual rains to southern Asia and northern Africa. The unusual cold in the North lessened the temperature contrast between the land and the oceans, upon which th...ACS News Service Weekly PressPac -- Nov. 15, 2006
...er about one-third of the planet and affect global temperatures by reflecting sunlight back into space and preventing terrestrial heat from escaping into space. In addition, ice particles in SVCs have a drying or dehydrating effect on the upper troposphere. "Here we show, to our best knowledge for the first time,......ncouver, and Oregon State University measured body temperatures of this mussel along most of its range, from Washi...through outside sources such as the sun), the body temperatures of intertidal invertebrates are driven by multiple factors in their environment. Solar radiation, w...ACS News Service Weekly PressPac -- Nov. 8, 2006
...pounds per square inch for five minutes, and lower temperatures than used in commercial pasteurization, causes minimal production of chemical compounds responsible for the cooked flavor. HPP gives milk a shelf life at refrigerated temperature of at least 45 days," they note.ARTICLE #1 FOR IMMEDIATE RELEASE "Effec...University of Illinois scientist helping processors keep E. coli out of meat
... not high, although ground meat not cooked to high temperatures can be dangerous. "You're always safe cooking red meat to 160 degrees, but if you have questions about food safety, check the USDA's Meat and Poultry Hotline at www.usda.gov ," she said. "The meat industry has been very proactive in attempting to ...Varied diet of early hominid casts doubt on extinction theory, says Colorado U study
...of fire. The site contains animal bones burned at temperatures consistent with controlled fires. While anthropologists are confident that the varied diet of early homo species -- including meats and a wide variety of plant species -- helped to propel the line into a successful run on Earth that continues toda......f what could happen again as global CO2 levels and temperatures rise during the 21st century. "We've dated the re...nd locked up water," Prof. McCulloch says. "Water temperatures off Margaret River would then have been more like water temperatures off Geraldton today, allowing t...Tarantula venom and chili peppers target same pain sensor
...iting the same nerve cells in mice that sense high temperatures and the hot, spicy ingredient in chili peppers, UCSF scientists have discovered. The findings demonstrate that some plants and animals have evolved the same molecular strategy to deter predators -- triggering pain by activating a specific receptor on......y inorganic chemical reactions which occur at high temperatures and pressures. Near cold seeps in the Eastern Mediterranean, Sbastien Duperron from Universit Pierre et Marie Curie in France has found unique bacterial symbiosis with mussels. Symbiotic associations between bivalves (mussels) and bacteria allow t....... They found that these proteins resisted high temperatures and withstood extreme conditions, characteristics of glycosylate proteins. The discovery was unexpected because the literature written to date does not contemplate the presence of this type of protein in the chloroplast. Once the presence of this t...