Homeland security symposium covers what chemists can do to help protect the nation
...silicon "smart dust" detectors, explain the threat posed by "dirty bombs," and cover techniques that have been developed to assess and address threats posed by terrorists against chemical manufacturing facilities. The session will highlight the steps chemis...Science Picksleads, feeds and story seeds (July 2003)
...reline of the Gulf of Alaska. The greatest hazard posed by eruptions is airborne ash.. Volcanic ash consists of tiny jagged particles of rocks, minerals and natural glass; it is abrasive, mildly corrosive, and conducts electricity when wet. And because of the size and frequency of their eruptions, Alaskan...Natural selection's fingerprint identified on fruit fly evolution
...gh this was an unprecedented finding in itself, it posed a new question that came wholly unexpectedly: Nuclear pores are found in every cell in the world that has a nucleus, so it was labeled as "highly conserved," meaning it was always assumed that it was so important to the survival of an organism that e...St. Jude researchers reverse blood disease using genetically modified stem cells
... disease. The St. Jude team overcame the obstacle posed by the large number of defective hematopoietic stems cells (HSCs) producing faulty red blood cells in beta-thalassemia or sickle cell disease. The large numbers of defective HSCs thwart attempts by gene therapy to reverse the disease. HSCs are parent...Five studies look at risks of differing particulate matter, including exposures on 9/11
...rs had concluded that airborne particles no longer posed a threat to public health. Not so, says Dr. Samet. Findings in contemporary community based studies continue to find worsening of the clinical status of people with chronic heart and lung disease, and increased risk for emergency and clinic visits, a...National report containing Stanford research recommends path for future genome study
...cation of reaching that goal?" One major challenge posed by the report is to understand the relationship between genomics, race and ethnicity. Neil Risch, PhD, professor of genetics, said that addressing this issue may be more a matter of having people involved in that area of research talk out their diffe...High-producing dairy cows are not more susceptible to illness
...y important that ethical and welfare questions are posed at the forthcoming symposium....Science Picks--Leads, Feeds and Story Seeds (April 2003)
...on dioxide could be stored. By answering questions posed by this research, scientists will have a better handle on the scientific and economic viability of such a solution. Because carbon dioxide is a greenhouse gas and has been implicated in trapping the Sun's heat in the Earth's atmosphere, industry and ......ty about his field and a strong feel for questions posed by real-life situations. His background lies in the broad field of chemistry. His primary interest lies in the synthesis of solids with properties or functions that can be controlled precisely, and particularly with regard to their use for catalytic ...New book entertainingly tells 'What Good Are Bugs'
...ilbert Waldbauer says, answering a common question posed by the title of his new book, "What Good Are Bugs?" "The majority of green plants are pollinated by insects," says Waldbauer, professor emeritus of entomology at the University of Illinois at Urbana-Champaign. "Without the insects, most of these plan...Researchers model evolution of influenza virus
...ing what stops that happening was the key question posed in this study." To explore evolutionary dynamics, Ferguson and his colleagues developed a computer-intensive mathematical model that simulated mutation in individual genetic units, or codons, of the viral coat and the effect of those changes on the t...Study pinpoints regulator of imprinted gene expression
...ss among scientists of a new type of health threat posed by environmental chemicals that can disrupt endocrine signals during critical periods of development through epigenetic alterations. Additionally, researchers studying Rett syndrome (a rare neurological disease) have found that the mutated gene exert...Symposium explores microbial forensics and the investigation of biocrimes
... October 2001 have focused attention on the threat posed by criminals that may use biological pathogens to do harm--and how to catch them. The massive investigation into the anthrax letters that caused more than 20 cases of rare, inhalation anthrax and at least 5 deaths blended public health and law enforc...... species, by not taking full account of the threat posed by people. The Red List, which is compiled by the World Conservation Union (IUCN), gauges a species' risk of extinction mainly on the basis of its population size, rate of decline and geographic range. But Alexander Harcourt and Sean Parks at the Un...Data presented on first cloned, double knock-out miniature swine
...ration to the next "Although the risk of any harm posed by PERV to xenotransplant recipients may be purely theoretical, use of this line of miniature swine would help minimize this particular risk of this new technology," said Dr. Greenstein....Researchers tie worldwide biodiversity threats to growth in households
...rise in household numbers around the world and has posed serious challenges to biodiversity conservation, write Jianguo (Jack) Liu of MSU and Stanford colleagues Gretchen C. Daily, Paul R. Ehrlich and Gary W. Luck in the Jan. 12 advance online publication of the journal Nature. Biodiversity is threatened ...Honey bee genome being sequenced
...on and success in dealing with the many challenges posed by social life, including those related to communication, aging, social dysfunction and infectious disease. Has an enormously sophisticated cognitive ability, despite having a brain that's only half again as large as a fruit fly, Weaver said. ...UC Riverside study suggests placentas can evolve in 750,000 years or less
...s have eluded evolutionary biologists. The dilemma posed by complex adaptation, which are organs of extreme complexity that have evolved through the action of natural selection, is that these organs demand contributions from a large number of adaptations at individual genetic loci to function properly. Da...Structure of pain-modulating enzyme described by scientists at the Scripps Research Institute
...ressure, anxiety, and panic attacks. The challenge posed by THC and other cannabinoids is to find a way to use them to produce effective, long-lasting relief from pain without the deleterious side effects. Now Cravatt and Stevens think they know just how to do that. The solution, as they see it, is to inc...... research, or the societal and economic challenges posed by major disasters. Robert Simpson, former director of the National Hurricane Center, is co-inventor of the Saffir-Simpson hurricane damage scale. He conducted the first mission involving research flights into a major hurricane. Richard Anthes is p...