'Weed from hell' found in Texas
...de safety specialist. Ketchersid said she doesn't want to sound like an alarmist, but the weed has caused...s here on our soils and environment," he said. "We want to find the most economical solution, one that uses the least amount of herbicide (for effective con...Gene alteration points to longevity, thinness
...es of Health's Institute on Aging, the researchers want to know the activity level that optimizes longevity and find compounds to control that level. "The human lifespan is a phenotype determined by multiple genes," says Dr. Fei, principal investigator on the grant. "Our Indy gene is only one of the life-...Herpes tool allows researchers to customize Alzheimer's vaccine
...new plaque deposits," says Bowers. "In essence, we want the beneficial effects of the vaccine without the toxicity. The herpes vector system gives us the flexibility to fine-tune the nature of the immune response so we can possibly create an effective vaccine that has a more optimal safety profile." The ...Basic RNA enzyme research promises single-molecule biosensors
...erate chemical reactions inside cells. Researchers want to learn how changes in ribozyme molecules affect their activity, both to better understand how evolution has shaped ribozymes to carry out their duties and to find ways of manipulating them for useful purposes. In the recent research, Walter's group...Endometriosis: Could angiostatic therapy be the new treatment of the future?
...sing the patient's hormones. For women who do not want to become pregnant this may not be a big problem, but as infertility is often connected to endometriosis it is problematic to suppress the patient's hormones, either by giving an oral contraceptive pill or gonadotrophin releasing hormone (GnRH) analo...Plant pathologists to discuss the future of organic farming
... of organic farmers and the needs of consumers who want organic foods," said Elliott. More on this topic will be presented during the Organic Foods-From Production to Market symposium at APS Annual Meeting in Anaheim, Calif., July 31- August 4, 2004. This session, to be held Tuesday, August 3, 2004 from 1...Newly grown kidneys can sustain life in rats
...uccessfully sustain the rats for a short time. "We want to figure out how to grow new kidneys in humans, and this is a very important first step," says Marc R. Hammerman, M.D., the Chromalloy Professor of Renal Diseases and leader of the study. "These rats lived seven to eight days after their original ki...Stonehenge study tells pagans and historians it's good to talk
...on the other, the demands of pagans and others who want open access for everyone." Accommodations reached ...rvation are interested in archaeological views and want to become involved in site maintenance. They also try to explain their perceptions about landscapes ...UK researchers develop way of predicting a woman's 'reproductive' age
...d treatment for childhood cancer and women who may want to delay a family for personal or professional reasons. "In essence, it means we now have the potential to be able to tell a woman how fast her biological clock is ticking and how much time she has before it will run down," said lead author Dr. Hami...Stanford researchers go from heaven to Earth in 'lifeguard' test
... said. But the testing isn't over. "We want to start looking at how it could be improved for other applications - not just space," said Montgomery. And now that LifeGuard has proved itself, the device is in demand. Among the requests are several from NASA, including one to monitor...Study helps explain island populations' susceptibility to exotic diseases
...em is a little bit like house insurance: you don't want to spend too much on an expensive policy if you live in an area with no earthquakes, fires or floods." Similarly, if parasites are scarce, the birds don't need to invest in an "expensive" immune system, he said. When new parasites are then accidenta...Medical implants work better when you rough them up, study finds
...f a disk," von Recum said. "That's exactly what we want in an actual implant." That the cells responded so readily to physical changes on the disk surfaces surprised the researchers. "Almost everything in the biological world responds primarily to chemical signals," von Recum said. "It was astonishing to ...Hidden cost of Colorado River diversions is $2.4 billion annually
...mpact of diverting the river's water," he said. "I want to emphasis that this is not a matter of the value...the environmental impacts of the changes. "I don't want to say this is a net loss. We have the cities like Phoenix and Tucson. We also have the market value...Strengthening independent junior research groups in collaborative research centres
...search Centre "Relativistic Laser Plasma Dynamics" want to exploit these properties to study exotic states of matter. They also want to advance the development of an accelerator technology termed "bubble accelerator". The Universitie...Nature's ambush: pregnancy more likely from single unprotected intercourse than believed
... despite the fact that these women clearly did not want a baby. The research team studied 68 sexually acti...he take-home message for couples? "For couples who want a baby these biological mechanisms are a silent partner, helping to optimize the timing of intercour...Four tourist destinations named best worldwide
...urism will end up hurting the very places tourists want to experience," said Costas Christ, senior director of CI's Ecotourism Department. "These winners are outstanding examples of responsible tourism that helps to protect nature and promotes the well-being of local people." The winner of the Nature T...Sex-specific differences in gene expression related to drug metabolism and hypertension
...etected only in one sex," explains Dr. Snyder. "We want to build a comprehensive map of the genetic and molecular differences between males and females. This map can be navigated to find insight into diseases known to have sex-specific propensities (e.g. anemia, hypertension, and renal dysfunction)." ...Researchers report major advance in gene therapy technique
... interference. "This could be very useful if you want to down-regulate a protein that's causing a muscle disorder, such as with myotonic dystrophy," says Wolff. In the late 1980s, Wolff and his UW-Madison colleagues surprised the scientific world with their discovery that they could get genes to expres...Researchers establish first molecular link between eating and aging
...tan diet. With people it's not so easy; they don't want to diet," said Guarente. In fact, the side effects in a human being whose diet was cut by about 50 percent--down to 1,000 to 1,200 calories a day, the reduction necessary to get the 50 percent extension in the lifespan--would create a very lean, col...Temple virologist receives NIH grant to continue investigation of HIV dementia complex
... how they get into the brain," he adds. "Also, we want to determine how they get into other organs as well." Rappaport and his collaborators--who include Center director Kamel Khalili, Ph.D.; Sidney Croul, M.D.; and doctoral student Tracy Fischer-Smith--have also examined other body organs of patients ...