Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks
...ws the system to reach a criticalstate, permitting propagation of a spiral-like wave of calcium andother ions thr... of calcium ions. Byaccurately recording the wave propagation using a video camera, shegenerated data from which the wave patterns could be mathematicallyanalyzed...Scientists Say Latently Infected Cells May Stoke the Fire of HIV Replication
...e most plausible explanation of HIV propagation during chronic infection." To support HIV replication, he explains, CD4+ T cells must first be activated. Activation events are typically local and transient, occurring in microscopic sites ...A 300-Million-Year Old Twosome: The Cycad And Its Pollinator
...ts and plays a specific role inorder to ensure the propagation of both species. In this quid pro quorelationship, the insects perform the pollination and the cycads in turn offerthe insects food, shelter, a breeding site, and larvae protection. Dr. Stevenson found that in Zamia furfuracea( http://www...Antioxidant Vitamin Supplementation And Lipid Peroxidation In Smokers
...e of conjugated diene formation lengthened and the propagation rate decreased, indicating a decreased susceptibility of LDL to oxidative modification. Increased concentrations of plasma vitamin C, beta-carotene, and lycopene were found to be significantly correlated with the conjugated diene lag phase and rate o...New Phylloxera Strain Poses Threat Primarily To Grape Nurseries
...s, "but they can be blown in the wind. It's mainly propagation wood and people that move phylloxera around longdistances. The root form is commonly spread on infested vine roots, but we'renot quite sure how the foliar forms could move so quickly. They could be insidebud scales or under the bark near the buds."...National Science Medalists Named
...dvances in partial differential equations and wave propagation resulting in applications to aerodynamics, acoustics and optics. (Media Contacts: Bill Noxon, NSF, and Josh Plaut, NYU, 212-998-6797, josh.plaut@nyu.edu.) Janet D. Rowley , Blum-Riese Distinguished Service Professor, University of Chicago, for re...Virginia Tech Fisheries Professor Works To Conserve Mussels
...ulture facility ina five-year project dealing with propagation and reintroduction. The TennesseeWildlife Resources Agency and Virginia Tech have released more than 35,000endangered young animals called "juveniles" so far. They were released in theClinch and Powell rivers in Tennessee because in Virginia, juvenil...Largest Acoustics Meeting In History Expected
...it will also provide fundamental knowledge, as the propagation of infrasound in the atmosphere is still not completely understood (2pUWa1). --- Why Seals Don't Have Sonar. Why do certain evolutionary relatives of dolphins--such as sea lions--completely lack sonar systems even though they live in similar envir...USGS Finds Palila Population Remaining Stable
...grine Fund, which isdeveloping methods for captive propagation of palila.......d DeborahWeissenborn, director of regeneration and propagation at CropTech. The researchers are using tobacco plants to produce human lysosomalenzymes. These enzymes are deficient in individuals with rare lysosomal storagediseases, such as Gaucher's disease. Replacement therapy with recombinantenzymes ho...New technique identifies M. tuberculosis genes
... playimportant roles in the pathogen's metabolism, propagation and self-protectiononce in the immune system environment. Defining the specific roles of the genescould lead to drugs that target certain of the genes or even a vaccine for thedisease that afflicted 6.7 million people worldwide in 1998, killing anes...Advances in engineering heart tissue reported by MIT scientists, colleagues
...hey then studied parametersassociated with impulse propagation through the tissue. For example, they foundthat constructs conducted electrical impulses half as fast as tissues grown theold-fashioned way (in an animal's body). A second paper, which appeared in the September 1999 issue of Biotechnology andBioengi...'Cell junctions' respond to environmental signals
...act, cell junctions are themselves involved in the propagation of signals that control cell growth and motility that contribute to metastasis, the most devastating and life-threatening part of the cancer process. Green will co-chair a minisymposium on the role of each of these steps in cancer progression at to...Rotational motion detected in gates controlling nerve impulses
...membrane, and therefore control the generation and propagation of nerve impulses." Because gene mutations in ion channels can cause neurological disorders, "a better understanding of how these channels work may aid in developing future treatments," said Francisco Bezanilla, the Hagiwara Professor of Neuroscience...December Geology and GSA Today highlights
...ccurred 3 million years ago. Estimation of fault propagation distance from fold shape: Implications for earthquake hazard assessment. Richard W. Allmendinger and John H. Shaw As an unexposed (blind) thrust fault propagates, folding of the layers of rock is accompanied by earthquakes. The shape of these folds...Polymer gel holds promise for therapeutics delivery and tissue engineering
.... "Our aim is to develop a gel that supports the propagation of articular cartilage-forming cells not only in the laboratory, but directly at the site of injury," Gutowska said. In addition, the three-dimensional cell culture system may be applicable to support future tissue engineering processes, such as the...Scripps scientists, diving officer receive honors
... importance this fact held for underwater acoustic propagation and the entire field of submarine and antisubmarine warfare." The award announcement also recognized Munks contributions in Project Cabot, the Heard Island experiment, Project Mohole, and the Acoustic Thermometry of Ocean Climate project. He lives...USDA awards NC State $3 million for domestication of pine
...ated forest biotechnology, wood chemistry and tree propagation programs," Kadla said. Chang's, Sederoff's and Kadla's fellow principal investigators for the grant at NC State are Dr. David O'Malley and Dr. Bailian Li, research associate professors of forestry; and Dr. Barry Goldfarb, associate professor of fores...Office of Naval Research awards $8.4M to young investigators
...sity of Washington will investigate the long-range propagation of internal waves in the ocean by means of data-mining. The research will lead to better ocean circulation models that describe the global distribution of oceanic mixing. Dr. Alexander A. Balandin, Electrical Engineering, University of California, R......d a new facility in which he can expand his mussel propagation work. Once the work is moved into the new building this spring, Neves hopes to produce about 100,000 juvenile mussels each year. Currently, he has only been able to average about 50,000 per year, depending on the availability of the species with whic...