Proliferation of Argentine ants in California linked to decline in coastal horned lizards
...a ranging from the Mexican border to Los Angeles-a scale at which very few studies have been conducted." "Our work demonstrates that invasions can have community-wide effects," adds Suarez, now a postdoctoral fellow at the University of California, Berkeley. "Essentially, the impacts of Argentine ants...Tyrannosaurus rex probably could not run fast, scientists say
...s speed, Garcia and Hutchinson used their model to scale up a chicken to the size of a T. rex - 13,228 pounds (6,000 kilograms) - to see if it would be able to run. "We know from a lot of fossil evidence that birds actually are the descendants of dinosaurs, so we thought, we should look at one of the desce...Tent caterpillars and their parasites
...wolves in the same one km2 area. Given the immense scale of the predator-prey battle going in our backyards, parks, and forests, it is not surprising that the forest tent caterpillar is the principal defoliating insect of trembling aspen in the boreal forest across the country. "During a major outbreak," ......aken the next step in this post-genomic era: large scale analysis of the proteins encoded by the genome - the proteome. Although the genome sequence provided vast arrays of genetic information, it provided only limited information about how the dynamic nature of the encoded protein products drives cellular...Scientists conduct first DNA field tests on Antarctic soil microbes
...vent microbes set the upper end of the temperature scale in the marine environment, the polar regions set the lower limit in the terrestrial environment, says Cary, who is a marine biologist at the University of Delaware. Past research has shown that the soils of the Dry Valleys support a diverse assemblag......t that their wavelength is much smaller and on the scale of an atom. Therefore, unlike light, X-rays are directly sensitive to the atomic structure of objects, and so can be used to identify structure. Synchrotrons are particularly powerful X-ray sources, more than one million times more brilliant than a m...Cultured sea fans to be re-seeded in Florida keys national marine sanctuary
...e sea fans have been successfully cultured on this scale in artificial conditions, and if successful, will mark the first time this species of coral has been harvested, grown in tanks, then harvested again and re-seeded into a natural habitat. There have been many challenges, Gaines said. First, before...Traits link viruses from common cold to HIV
...rus families. Finding commonalties on such a grand scale bolsters prospects for the development of broad-spectrum antiviral agents. "These results have added considerably to our understanding of these viruses, and any new basic knowledge is useful in control," Ahlquist says. "If you know the machinery, y...Stanford sleep experts treat medical condition behind violent 'sleep sex'
...ncluded loud, disruptive moaning on one end of the scale and sexual assault on the other. Regardless of how unusual or violent the behavior, patients had no memory of the events the next morning. Guilleminault divided the patients into three groups depending on the severity of their behavior. Those...Patch delivers longer, deeper relief from dental pain
... (VPS) scale, which rates pain on a scale of zero (no pain) to four (very severe pain). One group of 20 patients compared the DentiPatch to a placebo patch as well as a topical gel to a placebo gel. The research...Small research big on Illinois campus
...e scientists and engineers now routinely work on a scale ranging from the size of small atoms to that of large molecules. Working at the nanoscale (a nanometer is one billionth of a meter) scientists may develop chemical and biological sensors that will be far more sensitive, selective and cost-effective ...Greatest threat to Asia's wildlife is hunting, scientists say
...ew York.WCS conservationists noted that the global scale of illegal wildlife trade is enormous; the annual ...dlife related products is about U.S. $8 billion, a scale surpassed only by the illegal trade in drugs and arms. At the same time, local subsistence consumpt......ommunity composition. Thirdly, we made the spatial scale as fine as possible given the computational resources, in order to achieve accuracy and definition for the species dispersal modeling. The analysis took about 30 days, running on the Sun NPACI multiprocessor parallel machine housed at SDSC." In the f...Forest fragmentation and birds
...en region. Hence, evaluation of trends at a local scale may not reflect their tendency to disperse to other areas and reproduce in other locations. Importantly, however, the researchers note that their findings reinforce the important negative connection between fragmentation and population levels. Thi...Mathematical analysis could aid flu vaccine selection
... any two examples in the database -- a number on a scale of zero to 10, with 10 being the greatest genetic difference. They discovered that, although some viruses from the database were very similar and others were very dissimilar, the 560 examples were not randomly distributed across the scale. Instead, ...UCR scientists developing process to convert wet bio-waste into energy
...cs and thermodynamics. He said he hopes to have a scale model of the new process up and running this month. If the testing phase is successful, a full-scale demonstration unit could be produced and operating by 2004. "Productively managing the growing streams of waste is a key challenge for this region's ...Gene plays key evolutionary role in food-gathering behaviors
...vastly different time scales an evolutionary time scale in flies and a maturational or developmental one in bees, he said. Before becoming foragers, honeybees make the transition from their role as nurses by going through a series of gradually widening orientation flights. During this time there are chan...Ships return to the southern ocean to enhance understanding of food chain
...imeter scales. Such mixing occurs on a far larger scale in more temperate waters, another factor that may ...hese mammals to see how actions at the microscopic scale eventually affect the Southern Oceans dominant predators. As they did last year, the Palmer and...Re-creating the ocean, Temple prof. developing protocols for using oil dispersants
...y is occurring and then, to do theoretical work to scale up these results to approximate a particular sea state, he says. Boufadel, who is also researching the effect of waves on the large-scale transport of oil, expects to be able to quantify how much mixing energy is occurring in the flask by the end of ...Mathematical model provides new tool to assess mail-borne spread of anthrax
...onal mail-handlers may be desirable in view of the scale of the potential problem. In the case of another mail-borne outbreak of anthrax, the model provides a framework that can be used to figure out what is going on more rapidly than would otherwise be possible. If, God forbid, there were another outbreak...