Long-Time NIH Grantee Wins Nobel Prize In Chemistry
...del of how the various subunits of the enzyme work together like gears, levers, and ratchets to generate cellular energy. His theories were confirmed in 1994 with a detailed, three-dimensional structure of the enzyme determined by the third recipient of the chemistry ...UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...redsof individuals per colony. "We know they lived together by the hundreds in these groups,"said Meyer. "The idea would be that they link together, and itmay even be a collective property that adds to their surfacetension." Viewed from above, Meyer's model would reveal a huge spiderweb type complex floating ...Insects Provide Clues About Bodies Underwater
...than 50 species of invertebrates and is nowpiecing together their activity patterns. She's found that populations aredifferent between streams and lakes, for example, so determining where deathoccurred, if it's in question, is possible. Some aquatic insects are unpredictable, while others appear to be seasona...Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea
...s (hence the name tetravalent orquadrivalent) that together protect against the four most important clinicalstrains of rotavirus. The NIAID team designed the vaccine by substituting agene from a human rotavirus strain for one in a weakened rotavirus that infectsrhesus monkeys. The gene contains instructions...Epic Of Evolution Conference Brings Science And Religion Together November 12-14
...g human nature and destiny. "We're bringing people together to talk about the common ground, as well as thedifferences," says Alaka Wali, anthropologist and director of The Field Museum'sCenter for Cultural Understanding and Change. "Dialogue like this helps to showthe public that science is a process of inq...Duke Lemurs Are Released In Madagascar
...h them." "The lemurs are dispersingand coming back together irregularly, perhaps exploring potential territories,"he wrote. "Time will tell." Welch said the Duke lemurs were visited in their outdoor cage by wildlemurs, but the researchers said they had as yet observed no post-releasecontacts. "Yesterday for ......ut they have only been able to do so by assembling together expensive, carefully crafted, chemical building blocks (ligands) that they were 100% sure could do the job of assembling the final complex but useful structures. These carefully designed ligands are designed to have very rigid, clearly defined, chemi...... is that of stitching two ends of a chain of atoms together via a reactive molecule called a "free radical". Virtually all free radical reactions use other chemicals to "initiate" the construction process. Most procedures use one initiator in particular, called "tributyl tin hydride", however it has the fol...Guidelines For Next Generation Of Environmental Policy
...e and directedby Ms. Chertow. The project brought together about 500 scientists,environmental activists and industrialists for two international conferences aswell as 14 regional workshops, each of which resulted in a book chapter. Authors included Swiss industrialist Stephen Schmidheiny, a key leader in the...Genetic "Short Circuit" Leads To Cleft Palate
... resistant. Using these mice they have now pieced together a molecular explanation for cleft palate. The genetic circuit that they describe is similar to an old-fashioned string of holiday lights that operates only if all the bulbs are functioning properly. The investigators have identified three of the...Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
... with oligosaccharides -- complexstructures strung together inside the cell from a few simple sugars. Differentkinds of cells display different oligosaccharides, and even the same kinds ofcells display different patterns depending on their stage of development orenvironment. Since each oligosaccharide is chem...Chlamydia Vaccine Developed At UMass
...al medication. Stuart and MacDonald worked together on the research beginning in 1979, in an effort to discover and characterize various traits of the bacterium. For many years, scientists believed that it was impossible to create a chlamydia vaccine; there are many types of chlamydia, and it was thou...Handfish Steps Back From Brink Of Extinction
...laying only 80-100 very large eggs which are held together by threads and generally attached to the seafloor. The female guards the egg mass which takes 2-3 months to hatch and is thus highly susceptible to disturbance or predators. Mr Bruce said the research team had, for the first time, been able t...Scientists Work To Restore Native Fish And Habitat To Great Lakes
...rey, and healthy fish from our hatcheries, to come together at the right place and time." Coastal development and pollution have threatened the ecological health of Great Lakes wetlands and nearshore habitats. Yet, there is great potential to protect existing habitats and restore degraded habitats during wet......nance of these chromosomal ends. This book: draws together contributions from an interdisciplinary and international groupof specialists concerned with research on all aspects of telomeres andtelomerase includes discussions of the genetic structure of telomeres, and the properties,roles and expression of tel...Memorial Sloan-Kettering Investigators
...at genetic material in achromosome is tightly held together by proteins called histones. However,histones prevent individual gene expression. Previous studies of histones haveshown that transcription repressors may work by favoring the placement ofhistones onto specific genes, thus masking their genetic mater...... were heterozygotes. Severe clinicalmanifestations together with the onset of severe immunodeficiency (judged by thecirculating CD4+ cell count) occurred significantly later in the heterozygouschildren. These findings provide important arguments in the debate over the beneficialeffect of delta 32 heterozygos...Ant Pheromone May Aid Alzheimer's Patients
...udies with the ants showed that the four chemicals together actsynergistically, and that individual chemicals do not induce the same behavioralresponse. Describing a laboratory experiment with ants following a trail of thefour-part cocktail that diverged into four trails of individual components, thechemists...Top Scientists Challenge Others: Join Biodiversity Year
...l Geophysical Year in 1957, when scientists worked together across national and academic boundaries to advance knowledge about the earth, oceans and atmosphere. "Like the IGY, this process will focus on projects amenable to international cooperation in data collection, with room for scientists from developing...Fauci: New Findings Help Explain "Rebound" Of HIV In Patients Who Discontinue Triple-Drug Therapy
...iral effects of the drugs. Thus, HAART together with IL-2 would lead to a depletion of latently infected cells. In the experiments, the researchers found that latently infected CD4+ T cells that contained inducible virus and were treated with both IL-2 and HAART did, ind...