Tribal warfare: Revenge, retaliation, deterrence
...ted often take great care to balance deaths and to limit or end the hostilities. Tribal people often implement a socially regulated general system of reciprocity, including revenge, marriage and exchange of goods with a careful attempt to balance all losses and gains. Among peoples who have the least conne...Discovery of size changes of Bacillus spores may lead to simpler, faster anthrax detector
...ge single microbial cells, because they are at the limit of resolution of normal optical microscopes. This technology pushes the lower limit of resolving power by perhaps a factor of 100 beyond what has been demonstrated previously, so you c...Structure of cog at the hub of metabolism reveals anti-ageing function
...e for organisms to pick succinate dehydrogenase to limit the damage inflicted on cells by superoxide production."...Marine reserves can't do it all: Sea otters vs. red abalone
... without sea otters (7.2 vs. 3.7 inches; the legal limit for harvest is 7 inches). This work shows that "calls for management of marine protected areas for multiple human uses may be ecologically naive, creating unattainable expectations for performance," say Fanshawe and her colleagues. The researchers ca...Crop producers go high-tech with GPS technology
...y 2003 issue of Agronomy Journal. Soil acidity can limit plant growth, and due to soil formation processes and management practices, there exists large pH variability within producers' fields. Lime often needs to be applied to maintain profitable crop production; however, traditional methods make it imprac...A new animal study clarifies how different parts of the brain regulate sleep
...th a blood alcohol level of .05 percent, the legal limit for drunk driving in most western European countries, and close to the limit of .08 in several American states. Background In the United States, the National Sleep Foundatio...MIT sugars research affecting bypass patients, drug industry
...w molecular weight heparin, have shortcomings that limit their applications. Those shortcomings are based on the fact that there's been no quick and easy way to determine the exact amounts of the active ingredients of the drugs. "Simply put, low molecular weight heparins are essentially generated by chopp...Study may direct solutions for air pollution disease affecting agricultural, industrial workers
...t in the airway or the neutralization of TGF-1 may limit the extent of chronic LPS-induced airway disease....Americans deeply divided about use of genetic technologies in reproduction
...nd safety of reproductive genetic technologies and limit human reproductive cloning. Notably, the majority of Republicans, Democrats and Independents support government regulation of these technologies. Fifty-four percent think about these technologies primarily in terms of health and safety while 33 ...Scientists find new way to assess where cotton-killing pests develop
... as a major H. zea refuge. Maintaining the current limit of 50 percent non-Bt corn in cotton-growing areas therefore seems appropriate for maintaining the long-term utility of Bt cotton." "In the short term, this is good news for cotton farmers," Gould says. "It shows that corn can provide a refuge so cott...Transgenic rice for human benefit: a religious perspective
...agement from the world's religious communities--to limit population while we have the chance."...Mighty mice are less susceptible to muscular dystrophy gene's effects
...e researchers caution that, even if myostatin does limit muscle growth in people, blocking it would not cure muscular dystrophy or any other degenerative muscle condition because the underlying cause of disease would be unchanged. "However, increasing muscle mass and strength by blocking myostatin could c...JCI Table of Contents, November 18, 2002
...alantagonism between STAT 1 and STAT 3 may help to limit T cell-mediated liverdamage in patients. CONTACT: Bin Gao NIAAA/NIH Section of Liver Biology Park Bldg., Room 120 12420 Parklawn Drive, MSC 8115 Bethesda, MD 20892 USA Phone 1: 301-443-3998 Fax 1: 301-480-0257 E-mail: bgao@mail.nih.gov View the PD...Moderate alcohol consumption during pregnancy is risky too
...el of 30 mg/dL, which is also well under the legal limit for intoxication, the alcohol-exposed offspring we...haps every day, somewhat habitually, but who still limit their drinking to BACs usually below legal intoxication. However, working definitions of drinking h...University of Pittsburgh findings published in Science illustrate how KSHV causes cancer
... the normal way that the immune system attempts to limit viral infections. "The importance of this finding is that it demonstrates that there is an overlap between the immune system and tumor suppressor pathways which are targeted by KSHV," said Dr. Moore, also director of the molecular virology program at...Popular weed killer feminizes native leopard frogs across Midwest
...n (ppb), 30 times lower than the current allowable limit for atrazine in drinking water set by the Environm...vels of atrazine. The current laboratory detection limit is 0.1 parts per billion (ppb). The sites were scattered through the Corn Belt and beyond, including...Oregon power companies offset carbon through investment in Ecuadors rainforest
...regon passed the first law in the United States to limit carbon dioxide emissions, the primary gas responsible for the changes in weather patterns resulting from climate change. The law limits the net amount of carbon dioxide that a new power plant can release. One way new plants can meet these standard......ive organisms emerged once their upper temperature limit was reached as the relatively high climatic temperatures of the Archean declined," says Schwartzman. "It appeared likely that methane replaced carbon dioxide as the dominant gas in the greenhouse atmosphere of early Earth by about 2.8 billion years a...Cancer pain control possible with gene therapy
... treat pain, unwelcome side effects of these drugs limit our ability to relieve the most severe painful conditions," said Dr. Fink. "Using the virus to deliver the natural painkilling peptide may help in those cases." These undesirable side effects can include excessive drowsiness, constipation and difficu...Kurt Wthrich of The Scripps Research Institute wins 2002 Nobel Prize in Chemistry
...y NMR (TROSY), which extends several-fold the size limit of structures that can be solved with NMR. This made it possible for the first time for investigators to use NMR to solve many important biological structures--such as large proteins and protein/protein, protein/DNA or protein/lipid complexes--that a...