Award-winning INEEL probe to help safely monitor hazardous waste sites
...es of hazardous waste can travel out of landfills, wandering through soil layers near aquifers. Technology exists to monitor landfill perimeters, but scientists would prefer to keep an eye on contaminants long before they leave the area. Now with a new underground probing system from the Department of Energy's...New tool reveals secrets of migrating cells
...ork properly. Once they pass that test, they start wandering around in the cortex looking for the second test, which is to bind precisely to a protein called the major histocompatibility complex (MHC). These cells, the researchers think, are the meanderers. Only about one percent of thymocytes pass both tests,...Scientists journey to southern Africa to unravel the secret world of elephant communication
...t-brown tarp proved an effective deterrent against wandering herbivores and curious lions. "Large animals could easily jump over the tarp or go right through it, but I think they perceive it as a solid object," says Tim Rodwell, an epidemiologist who served the dual role of camp doctor and electronics guru. Ro...Scientists create artificial cricket hairs
...eir lives on the ground, making them vulnerable to wandering and flying predators. Species such as the wood cricket Nemobius sylvestris have developed a pair of hairy appendages at the abdominal end of their body called cerci, which are incredibly good at detecting small fluctuations in air currents the kind ...Genetically modified maize not found in southern Mexico
...r Mexico from the United States, and more cases of wandering transgenes seem likely. Snow conducted the work with scientists from the Instituto Nacional de Ecologia (SEMARNAT) and the National Commission for the Knowledge and Use of Biodiversity (CONABIO ), both in Mexico City; and from Genetic ID North Americ...Highlights from October ESA journals
...table foraging areas, the researchers report that wandering albatrosses rely on prey that are highly dispersed, catch few prey in the same areas, and do not adjust their foraging to maximize their energy requirements. Coral reef fish impacted by nuclear tests France conducted a series of underground nuclear...Chemical signaling helps regulate sensory map formation in the brain
...t from the retinal neurons and into the brain. The wandering axons use these signals to locate their destinations in the map. Twenty years later, in 1983, Alfred Gierer developed computational models of this process. His models indicated that at least two counterbalancing signaling systems were required to pu...Tumor cells that border normal tissue are told to leave
...accumulation of genetic mutations. If one of these wandering cells acquires a second mutation that prevents cell death, it could go on to establish a metastatic tumor." Having created a model for studying metastasis of tumor cells, the research team has begun to look for ways to manipulate boundary cells to p......ghy become fished out in other areas, trawlers are wandering to new regions. If there are pelagic spawning aggregations at the ridge or other prominent features, they are likely to be critical to the preservation of the species involved, but also likely to become primary trawling targets, which could lead to d...Nanoparticles create biocompatible capsules
...psules are well behaved, and follow orders without wandering off and propagating." As proof of concept, Granick and Zhang encapsulated fluorescent dyes within lipid capsules. No leakage occurred, and the lipids proved stable against further fusion. "This opens the door to using biologically friendly capsule de...Home, home on the range: How much space does an animal really need?
Instead of wandering around aimlessly, most animals tend to stay in a certain area known as their home range. Understanding an animal's home range has been a central focus of ecological research since Darwin's time. But while explaining why different sized species need d...New bird species found in Idaho
...ct to discover a bird species new to science while wandering around the continental United States. Nor does one expect that such a species would provide much insight into how coevolutionary arms races promote speciation. On both fronts a paper to appear in The American Naturalist proves otherwise. Julie Smith,...Flies don't buzz about aimlessly!
...en found in diverse animals including zooplankton, wandering albatrosses, jackals, and even human hunter-gathers. Intermittent searchers include octopi, graylings, and mating crickets. Andy Reynolds says, "Our results with freely flying Drosophila appear to be the first reported example of searching behavio...Philandering female felines forgo fidelity
... that, in cheetah society, its the female with the wandering eye, as reported in a paper in the latest issue of Proceedings of the Royal Society B. According to the study, researchers found that about 43 percent of cheetah litters with more than one cub were fathered by more than one male, revealing a mating...... plenty of bachelors available if the female has a wandering eye. Our study population has 50 percent more males than females, creating the opportunity for females to trade a current mate, which may be worn-out from recent breeding effort, for a refreshed non-breeding male, Maness said. It takes a lot of e...