Mole-rat Methuselahs push evolutionary theory of aging
... they are complementary," Sherman adds. "The first identifies specific physiological mechanisms whose breakdown results in senescence. The second explains how natural selection has acted to maintain or fail to maintain those mechanisms." The Cornell researcher has studied colonies of naked mole-rats living in t...Detecting bacteria in space: The good, the bad and the unknown
...es of its identity." Once Fox and Willson's device identifies the problem organism, scientists can predict the bacteria's source, like a faulty air filter or a water purifier, and fix the defective instrument for future missions. Any kind of bacterial buildup should be avoided in the spacecraft. "We are not spe...Non-invasive imaging technique detects plaques beginning to form in vessels
...Nov. 19, 2002 -- A new imaging method successfully identifies miniscule, young blood vessels that form during the development of plaques, according to a study in rabbits led by Washington University School of Medicine in St. Louis. These plaques are akin to atherosclerosis in humans, the primary cause of heart ...'Small RNA' research cited as breakthrough of the year
...fic society, and each year the prestigious journal identifies what it believes were the top 10 research advances of the year. For 2002, the magazine cited a body of work being done by several research groups across the nation on small RNA molecules, calling them "electrifying discoveries, which are prompting b...TSRI professor named industry pioneer in one of the top ten technologies that will change future
... of innovation. The magazine's February 2003 issue identifies ten emerging technologies it says will change the world. It is on newsstands January 21 and online now at http://www.technologyreview.com/articles/emerging0203.asp . The technologies featured in the special issue have little to do with the latest c...Scripps scientists discover rich medical drug resource in deep ocean sediments
...dition of the chemistry journal Angewandte Chemie, identifies the structure of a new natural product, which Fenical's group has named Salinosporamide A, from this new bacterial resource. The new compound is a potent inhibitor of cancer growth, including human colon carcinoma, non-small cell lung cancer, and, mo...New antibody library speeds search for new detection tools
...athogens or disease. The library developed at PNNL identifies antibodies more quickly, thus reducing labor costs. To accelerate the identification process, PNNL combined two types of cell sorters high-throughput parallel magnetic cell sorting and high-resolution linear flow cytometric cell sorting to isolate...Light at the end of the tunnel: Photonics are tipped to make global communications network a reality
...echnological advances in development laboratories; identifies key companies and developers; and provides estimates of timelines for commercializing the technology. Technical Insights will hold a conference call at 3:00 p.m. (EST)/ 12:00 p.m. (PST) on January 28, 2003 to provide a summary and analysis of the lat...Research reveals how strep bacterium evades immune system
... author, Jovanka Voyich, Ph.D., states, "Our study identifies potential vaccine candidates and new targets for therapy interventions designed to control GAS infections." The scientists hope that this new knowledge in combination with their earlier GAS research will lead to further investigation of how GAS eva...Newly discovered cellular process helps cells respond to DNA damage
...at specifically recognizes activated ATM, and thus identifies only those ATM molecules that are responding to DNA damage. "Our technique for identifying activated ATM is so sensitive that we've been able to show that it takes only a couple of breaks in the entire DNA of the cell to activate and initiate all of ...Young plant's natural defenses amount to more than just its seed
...ported in the Feb. 1 issue of Genes & Development, identifies a novel protein in the experimental plant Arabidopsis that helps terminate this developmental arrest, thereby indirectly reinitiating growth. Like a police officer restoring the flow of traffic by removing a barricade, this protein, called AFP, reest...Mutation causes specific arrhythmia and sudden cardiac death
...protein within heart muscle cells. Their discovery identifies what appears to be a novel mechanism for cardiac arrhythmia. Normally, ankyrin-B acts as a biochemical symphony conductor, ensuring that microscopic pores in heart muscle cells known as ion channels open and close in a coordinated fashion. These chan...Exercise and imaging tests predict heart events in high-risk families
...reventive cardiology. "Aggressive testing clearly identifies individuals with hidden heart disease." Researchers screened more than 700 siblings of heart disease patients, collecting their health histories, doing physical exams and identifying their risk for heart disease on a standardized scale. They also...USDA Forest Service publishes wildland-urban interface assessment
...g healthy and productive forests in the South, and identifies critical research and information needs. One of the primary driving issues that led to the WUI Assessment was the major wildfires in Florida in 1998. The complex challenges the 1998 wildfire season presented to the people who live and work in the wi...How the nose knows a rose-or a mate
... how? Scientists are now discovering how the brain identifies odors and their mysterious counterparts, the pheromones. New research, to be presented today at the American Association for the Advancement of Science (AAAS) Annual Meeting and forthcoming in the journal, Science, explains how the mouse brain is exq...First population study of GM mosquitoes highlights difficulties facing malaria control technique
...opulation study of genetically modified mosquitoes identifies issues that need to be faced in the task of turning mosquitoes from disease carriers into disease fighters. Scientists from Imperial College London report in Science today that populations including genetically modified mosquitoes quickly lose their ...Fly mutation suggests link to human brain disease
...e cheese." The protein encoded by blue cheese also identifies a new family of proteins present in humans and oth...s, said McKeown. "Our work on blue cheese not only identifies a gene needed for adult neural survival, it also allows identification of the members of this new fa...Study may help explain sunlight's role in melanoma development, have screening implications
... of," he added. "This finding is unique in that it identifies the Rb pathway as a target of UV's mutagenic action." The next research step is to look at a collection of clinical samples to determine if exclusive lesions in the Rb pathway are linked to melanomas from patients with a detailed history of ultraviol...Smart sensor technology finds tremendous potential in various industries
...pact of emerging technologies on smart sensors. It identifies key markets, applications, developers, and obstacles in the way of commercial success. Technical Insights will hold a conference call at 3:00 p.m. (EST)/ 12:00 p.m. (PST) on March 11, 2003 to provide a summary and analysis of the latest developments ...Tour operators to influence hotel industry to integrate environmental criteria into operations
...ivision of Conservation International. This guide identifies ten environmental and social issues critical to the long-term success of the accommodations sector The guide provides information to managers on key environmental and social issues including: energy and water conservation, waste management, chemical ...