ACS News Service Weekly PressPac -- Oct. 4, 2006
...wfly maggots into non-healing wounds to clean away dead tissue. Medical use of the technique led to observations suggesting that maggots' excretions and secretions (ESs) also may encourage regeneration of tissue and wound healing. Realizing that the ESs would have to be delivered in a controlled fashion...Evolutionary first: Parasite reaches beyond host to play havoc with others' sex lives
...as held up in customs and we received a big box of dead flies," says Jaenike.As the boxes came in, Jaenike was gratified to find that as Cornish and Gibas worked their way through Canada, a region of geographic overlap between the two species emerged. But he wasn't expecting what came next. The mating beh...Texas researchers casting for answers to stop algae problem in Texas lakes
...ce 2001, the golden hues in water and the telltale dead fish in numerous Texas lakes have puzzled water and fish experts, Roelke said. So far more than 25 lakes and rivers in five of the state's major river basins have been identified as having golden alga populations, according to the parks and wildlife ...ACS News Service Weekly PressPac -- September 27, 2006
...xplains that oxygen depletion creates a biological dead zone, where fish and other marine creatures cannot survive. The Dead Zone has been growing in size since the 1980s. In recent years it has involved an area larger than the state of Connecticut. Excessive amounts of plant nutrients - primarily nitra...USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
... giant garter snakes since 1995. From specimens of dead giant garter snakes encountered in the field, researchers have conducted analyses for mercury and a variety of other elements to determine if mercury or other trace element contamination may be affecting giant garter snake populations. Although conta...Potential diagnostic marker indicates effectiveness of anti-angiogenic drugs
...ll endothelial cells, as indicated by increases in dead endothelial cells circulating in the patient's blo...group receiving only chemotherapy, blood levels of dead CECs soon increased, up to 2.6 fold. In the animals treated with the two drugs, CEC death was highe...Engineer ramps up protein production, develops versatile viral spheres
...artz says. Most vaccines today work by introducing dead or weakened copies of viruses, mixed with other chemicals, into the bloodstream with the hope that they will provoke a strong, albeit general, response by the immune system. The process is akin to advertising a product to a random audience and hoping...Siberian lakes burp 'time-bomb' greenhouse gas
...gigatons of carbon, largely in the form of ancient dead plant material. "This material has been locked up in permafrost since the end of the last ice age," Walter said. "Now it is being released into the bottom of lakes, providing microbes a banquet from which they burp out methane as a byproduct of decom...Wounds may one day heal better, faster, due to new NIH-funded wound healing centers
...teract with each other. When such films collect on dead or damaged tissue, they can resist antibiotics and immune system defenses. The research team will study the incidence and microbial make-up of biofilms in chronic wounds, develop laboratory models of biofilm infection, and test treatments designed to...Otter research gives insight into lead pollution
...lead in rib-bones taken from over 300 otters found dead in south-west England between 1992 and 2004 and collected by wildlife veterinary pathologist Vic Simpson. "We compared this with levels of lead found in stream sediment by the British Geological Society and airborne emissions recorded by the Natio...Forest fires a real concern for areas hit hard by hurricanes
... of fuels specialists in evaluating the amounts of dead trees and branches left on the forest floor. The team will measure logs, stumps, and other forest fuels across a broad spectrum of pine and hardwood forests, and use the data to develop a photographic guide that forest managers can use to rapidly...Insect predation sheds light on food web recovery after the dinosaur extinction
...lants and insects. The Western Interior U.S. was a dead zone for plants and plant-insect food webs," said Dr. Peter Wilf, assistant professor of geosciences and the David and Lucile Packard Fellow. "We know that right after the extinction, for 800,000 years, there was very low insect predation and plant ...Avian flu detection information on wild birds available
...r-killed birds, and (3) investigations of sick and dead wild birds. The other two strategies are: (4) surveillance of domestic birds as sentinel species; and (5) environmental sampling of water and wild bird droppings. ...Invasive species alter habitat to their benefit
...ils had higher nutrient levels and heavier mats of dead cattail stems than areas with only native wetland ...ails; in the second she added litter---the mats of dead stems that accumulate around hybrids. A third plot received both live hybrids and litter, and the fo...'Dead Zone' causing wave of death off Oregon coast
... parts of the seafloor off Oregon into a carpet of dead Dungeness crabs and rotting sea worms, a new surve...Marine Biology at OSU. "Thousands and thousands of dead crab and molts were littering the ocean floor, many sea stars were dead, and the fish have either le...Movie spies on malaria parasite's sneaky behavior
...ered one of the parasite's sneakiest tricks--using dead liver cells to cloak and transport itself back int...most destructive. How the parasites direct the dead liver cell to form the merosome structure and how that bag eventually bursts open in the blood are q...Debate continues on post-wildfire logging, forest regeneration
...ndard fire models. The suggestion that leaving dead trees standing could result in lower fire hazard is a reasonable hypothesis, in part because no scenario produces a larger pool of fine fuels than a single one-time input from felling of all trees shortly after a fire. Their objective was not to ...Marine 'dead zone' off Oregon is spreading
...e Sanctuary indicate. There have been reports of dead crabs stretching from the central Oregon coast to ...ing makes determining the size and movement of the dead zone difficult, although some new instrumentation being used this year by OSU scientists is helping....Gene breakthrough heralds better prospect for malaria solution
...g the surviving sisters to eat the bodies of their dead brothers, in Woodlice, infected males are turned into females, and infected parasitic wasps give birth without reproducing. These reproductive effects are what made Wolbachia so fascinating to biologists in the first place and now they may also pr...... St. Lawrence River. Last week, an estimated 1,000 dead fish washed up on the shores of Lake Ontario in ju...ree to five days. Groocock said the high number of dead fish reported recently may be due to the increased presence of vacationers on the lakes in summer, a...