Nature designs hard and tough materials at the nanoscale
... the mineral, their fracture energy can be several orders of magnitude higher than the mineral. For instance, the composite shell of nacre shows a fracture strength that is 3000 times higher than its mineral constituent CaCO3. Despite the complicated hierarchical structures of biocomposites, it is most inte...Researchers combine electronics with living cell to create potential toxicity sensor
...nsive dyes and expensive measurement devices. It's orders of magnitude faster. It's a matter of milliseconds or seconds compared with half an hour or more." Other co-authors of the paper are Navdeep Sekhon and Ning Chen, former students at UC Berkeley's Department of Mechanical Engineering; and James Bornin...Seven CD-ROM global GIS data set available from AGI
...ginia are subject to the applicable sales tax. All orders must be prepaid. Please make your check or money order drawn on a U.S. bank in U.S. funds payable to the American Geological Institute. AGI also accepts VISA and MasterCard. Orders are shipped by UPS Standard Service, whenever possible, and take two ......ginia are subject to the applicable sales tax. All orders must be prepaid. Please make your check or money order drawn on a U.S. bank in U.S. funds payable to the American Geological Institute. AGI also accepts VISA and MasterCard. Orders are shipped by UPS Standard Service, whenever possible, and take two ...AGI publishes 41st edition of Directory of Geoscience Departments
...le to purchase one copy at 20% off list price. All orders must be prepaid. Please make your check or money order, drawn on a U.S. bank in U.S. funds, payable to the American Geological Institute. AGI also accepts VISA and MasterCard. Orders are sent by UPS Standard Service, whenever possible, and take two t...Protein that fights bacteria and viruses cloned by Scripps scientists
...tects most viruses. It is like a waiter who brings orders from two different customers into the same kitchen. This is the first time that anyone has identified a protein that directly responds to the signals the innate immune system sends when it recognizes both bacteria and viruses. In addition, Trif coul...Proteins designed to follow marching orders are the latest in the new field of "synthetic biology," where scientists can create certain organisms to perform specific tasks. A new technology being developed by the Office of Naval Research and Duke University scientists would enable plants to c...JCI Table of Contents, September 15, 2003
... that in vivo 15d-PGJ2 levels are actually several orders of magnitude below the levels required to induce many of the biological effects attributed to this molecule. TITLE: Biosynthesis of 15-deoxy-?12,14-PGJ2 and the ligation of PPAR-gamma AUTHOR CONTACT: Garret A. FitzGerald Center for Experimental Thera...UGA scientist to study effect of air quality on unborn babies
...ment smoke exposure generated from these stoves is orders of magnitude higher than levels typically seen in U.S. homes," he said. Naeher hopes the study will lead to simple economical and cultural changes that can reduce air pollution and protect the population of Trujillo. The data, he said, can be used to...How genes orchestrate facial expressions
...researchers discovered in 1996 that the Hoxb1 gene orders the development of nerve cells in hindbrain segment 4 that send out nerve fibers to control facial muscles that let people smile, frown or pucker their lips, and that allow mice to wiggle their whiskers, pull back their ears and blink their eyes. Th...U of Minnesota receives NSF grant to sequence bacterial genome
...scovery of useful attributes that microbes have by orders of magnitude. This is the same type of science that is used to discover new drugs and how plants and animals respond to their environment." The project will be directed by Michael Sadowsky, a professor in the department of soil, water and climate in ...Communication is key to successful U.S. SARS quarantine
...k part voluntarily. "Obtaining and enforcing court orders for quarantine would have been a logistical nightmare and that's why communication was so important in obtaining the support of the people." The 160-page report also discusses ways in which lessons learned from the SARS outbreak can help guide U.S. p...Rapidly evolving genes providing new insights in plant evolution
...and the deep relationship between the families and orders of the plants, Hilu said. In fact, the use of slowly evolving genes was the traditional way of understanding deep relationships not only in plants, but also in animals. However, Hilu and his colleagues have come up with a new approach using rapid...AGI publishes 42nd edition of Directory of Geoscience Departments
...le to purchase one copy at 20% off list price. All orders must be prepaid. Please make your check or money order, drawn on a U.S. bank in U.S. funds, payable to the American Geological Institute. AGI also accepts VISA and MasterCard. Orders are sent by UPS Standard Service, whenever possible, and take two t...Targeting hard-to-kill fungal infections
...ed by organism-specific radiolabeled antibodies is orders of magnitude more efficient in killing human pathogenic fungi than external gamma radiation," stated lead investigator Ekaterina Dadachova of the Department of Nuclear Medicine, Albert Einstein College of Medicine, Bronx. "The results provide strong ...Powerful machines are coming in small packages
...ntegrating the feature sizes across seven or eight orders of magnitude. (By comparison, assembling a jet air...plane using centimeter-sized rivets involves three orders of magnitude.) Some of the technologies Paul is working on include micromachined gas-liquid contacto...National ocean commissioners & scientists call for overhaul of ocean policies & management
...oner William Ruckelshaus. "Thus, one of the first orders of business according to the Federal Commission would be to create a National Ocean Council to assist states and local governments to develop regional councils along ecosystem lines." At the press conference, Ruckelshaus, who also chairs Washington S...HUPO scientists tackle human blood plasma proteome
... least abundant proteins range over at least seven orders of magnitude. Many basic questions involving sample preparation and the relative advantages and limitations of a broad array of technology platforms need to be addressed. Based on the clear consensus of the proteomics community, PPP's initial goal is...Making sense of the brain's mind-boggling complexity
...nals, with their output growing, in some cases, by orders of magnitude, explained Stephen Koslow, Ph.D., NIMH Associate Director for Neuroinformatics, who chairs the HBP Coordinating Committee. "It's virtually impossible for any individual researcher to maintain an integrated view of the brain and to relat...UGA professor Jeffrey Bennetzen named to National Academy of Sciences
...lso named 50 charter members. Subsequent executive orders have affirmed the importance of the National Research Council and further broadened its charter. The National Academy of Sciences established the National Academy of Engineering in 1964 and the Institute of Medicine in 1970. Much like the National Ac...