ORNL's Thundat elected fellow of AAAS
...sed for detecting a number of substances including trace quantities of chemical and biological agents--are one application of nanomechanical sensors. One of Thundat's concepts uses the microcantilever technology to detect minute amounts of TNT, which could be applied to both national security missions an...Tracing the formation of long-term memory
...gy at BCM. "This appears to be an authentic memory trace for long-term memory." Davis and his colleagues used spaced training to teach the flies to associate an odor with a mild electric shock. This method gives the fly a training trial, then a rest and then another trial. The rest is critical in inducin...Yale Cell Biologist Joel Rosenbaum, to receive Prestigious Wilson Award
...or many other diseases and syndromes, all of which trace back in many different tissues to defects in receptors or channels on the ciliary membrane, or to the complete lack of the cilium due to a defect in the IFT process. Rosenbaums laboratory is now working on the connection between cilia and the cell ...Icelandic volcano caused historic famine in Egypt, says Rutgers-based team
...d by NASA's Goddard Institute for Space Studies to trace atmospheric changes that followed the 1783 eruption of Laki in southern Iceland back to their point of origin. The study is the first to conclusively establish the linkage between high-latitude eruptions and the water supply in North Africa. "Our f...Dragonfly's metabolic disease provides clues about human obesity
...gonflies. Dragonflies that drank water containing trace amounts of excretory-secretory substances obtained from live parasites showed effects in two days. Abnormal blood glucose concentrations are a symptom of metabolic syndrome in humans. Marden and Schilder also concluded that insects may be useful mo...New moth variety disarms plants guarded by selenium
...with properties similar to sulfur, is an essential trace element for many organisms, but it typically is toxic at high levels, and the function behind the intriguing tendency of some plants to hyperaccumulate this element has been largely obscure. The so-called elemental-defense hypothesis proposes that hy...UCSD scientists establish connection between life today and ancient changes in ocean chemistry
...menon, photosynthesis, changed the availability of trace metals in the oceans," Dupont said, "resulting in a reciprocal change in biological evolution still observable today." The group notes that, "such studies linking the study of the earth sciences with that of the life sciences are limited and certai...ASU researchers test antibacterial effects of healing clays
...structures are almost identical, but the different trace element chemistry of the interlayer records an older geologic condition, from a time when the antimicrobial property was likely inherited." Crystal structure, the interlayer, the way other materials, metals, ions bind to clays, the absorptive chara...Oldest complex organic molecules found in ancient fossils
... the technique could prove to be a reliable way to trace species' evolution. So far, the crinoid biomarkers mesh well with scientists' concepts of how those species are related. O'Malley isolated the pigments by grinding up small bits of fossil and dissolving the organic molecules into a solution. Then s...Researchers find 'zip code' spurs cargo transport in neurons
...much transport has been affected by dementia or to trace normal or abnormal neuronal circuits. Bearer said the research results point to APP transport as a possible drug target for Alzheimer's, Huntington's and other diseases characterized by a breakdown in nerve cell transport. "We've created a protei......rado Museum and an internationally known expert in trace fossils. "This research is exciting because it pr...structure and dynamics of ancient ecosystems using trace fossils and body fossils, is considered one of the world's experts on coprolites, or fossilized fece...Living laboratory found on shoreline statues
... York. Before transit they will be cleaned of all trace of the marine life they have housed on Merseyside just as they were cleaned when they arrived in Crosby from their previous 'homes' across Europe. Dr Robinson added: "We will be sorry to see the statues go, but in a relatively short time we have...Metabolic disorder underlies Huntington's disease
... normal body temperature of mice is about 37C. To trace the causes of the animals' hypothermia, the researchers first looked to the brain region that controls body temperature. The animals brains, however, appeared to register and respond to cold normally. The problem, they found, lay instead in fat cell...West Australian fossil find rewrites land mammal evolution
... of Geosciences, said. "This means that humans can trace their evolutionary roots, and adaptations for life on land, further back in time, to more than 380 million years ago. "This little fossil fish, Gogonasus, is therefore the ultimate 'Mother' of all tetrapods." The research findings are published t...New fertilizer SRM can help control heavy metal content
...ium, the major plant nutrients, and lesser or even trace amounts of other nutrients needed by different cro...rements. It can be difficult to measure accurately trace levels of some metals in a chemically complex mixture like fertilizer. NIST's Standard Reference Ma...ASU discovery may aid counter-terrorism efforts
...) and hexamethylene triperoxide diamine (HMTD), in trace amounts down to the part per billion level. The approach, which is safe, irradiates these explosives with ultraviolet light, converting the TATP and HMTD into hydrogen peroxide. While a UV lamp system provides results in five minutes, the higher ...Few clues about African ancestry to be found in mitochondrial DNA
...rowing interest in the use of mitochondrial DNA to trace maternal ancestries, and several companies now offer to analyse individuals' mitochondrial DNA sequences to obtain information about their origins. The current study suggests that only one in nine African Americans may be able to find clues about whe...Texas researchers casting for answers to stop algae problem in Texas lakes
...trients such as nitrogen, phosphorus, vitamins and trace metals. Roelke said more study is needed about golden alga life cycles because applying a treatment to massive bodies of water is not possible. "But perhaps some form of fertilization could be developed and applied only in coves of lakes where the ...Tropics source of much of world's biodiversity
...l instead of species because species are harder to trace in the fossil record. Genera, the classification just above species, "track better the novelty and inventiveness of life," Valentine said. The team found that, among the various families of bivalves, between 57 percent and 94 percent of genera origi...American Andrew Z. Fire shares Nobel Prize for discovering RNAi
...as found that the earlier experiments had included trace amounts of antisense RNA, thus causing the RNA interference. The Man behind the Prize Fire, a California native, received an A.B. in mathematics from the University of California, Berkeley, in 1978. He went to the Massachusetts Institute of Techn...