Study: Emission of smog ingredients from trees is increasing rapidly
...have been an achievement because if we hadn't done anything it might have worsened," said Purves. The study did not measure actual ozone levels. Instead it focused on VOCs, a crucial part of the chemical reaction that produces ozone. The other critical ingredient is a class of gasses known as NOx (various com...UCSF scientist Joe Derisi named MaCarthur Fellow
...re conducted. "I have not before experienced anything coming close to the degree of transformation that Joe has brought about in our community," says Peter Walter, PhD, chairman and professor of the UCSF Department of Biochemistry and Biophysics. "He projects seemingly endless energy and infectious enth...Researchers devise potent new tools to curb ivory poaching
...l it's so dramatic that it's almost too late to do anything about it." Wasser is lead author of a paper describing the new means of determining ivory origins, being published the week of Sept. 27 in the Proceedings of the National Academy of Sciences. The African elephant population plummeted by 60 percent ...UAF scientists discover new marine habitat in Alaska
...tanding of coralline algae. "If these beds are anything like those elsewhere in the world, they are likely...ew to science. "It does not seem to match anything we have seen," said Riosmena-Rodriguez. Riosmena-Rodriguez said the as-yet unidentified spec...US investment firm gives away Rhode Island-sized lands in Chile
...icient to show me how widely different it was from anything I had ever beheld." A Unique Alliance To assure continuity in this important project, Goldman Sachs, the Goldman Sachs Charitable Fund, and WCS are establishing a formal Alliance, that is intended to last for three years. Goldman Sachs, the Goldm...A liking for sweets, combined with novelty seeking, may predict alcoholism
...tors present. Third, can sweet preference predict anything about treatment response to medications, and possibly psychosocial therapy as well? We are currently conducting a study of sweet liking as a predictor of response to naltrexone in alcoholism but no data has yet been analyzed. Fourth, if sweet likin...Essential smell gene may provide key to new insect repellents
... function," says Vosshall. "But for a fly to smell anything the Or83b receptor has to be present." "We still haven't figured out how or why it works," she adds. It could be that Or83b combines with other receptors to form different-shaped "locks" in which odorant molecules fit. Another possibility is that Or8...Tiny molecules have big potential as cancer drugs, Stanford researcher believes
... growth critical to all tumors. "It suggests that anything that's aggressive and metastatic may involve these proteases and respond to an inhibitor," he said, adding that the inhibitor would likely be used in conjunction with other therapies....New hypoxic event found off Oregon coast
...evels in deeper areas of the shelf to be as low as anything we saw in 2002." In the current event, Chan said, the "dead zone" of low-oxygen water appears to be "sloshing back and forth" between deeper water and, more recently, into shallower, nearshore water. What impact this will have on marine life is unkn......n't a magic bullet, but it seems to be better than anything out there," he said. "It's a lot more selective, so it has real utility for science." Connors said the discovery, detailed in the online early edition of the Proceedings of the National Academy of Sciences for the week of August 2, could shed light ...Travelers' diarrhea not improved by restricted diet
...oods did not recover any faster than those who ate anything they wanted, according to an article in the August 1 issue of Clinical Infectious Diseases, now available online. Travelers' diarrhea is usually caused by a bacterial infection from eating contaminated food. Traditionally, patients with cases of trav...From science fiction to reality: Nanomedicine brings fresh hope to the medical world
...biopharmaceutical, and drug delivery companies are anything to go by, its prospects in the healthcare industry seem bright. Nanocrystal technology, for instance, is being used in drug formulation and the new chemical entities screening in the discovery phase of drug development. Quantum dot particles are bein...Study: Mothers turn fearless when peptide level drops
...just sit there. They weren't protective at all. If anything they were skittish. They showed a fear response," says Gammie. The researchers note that altering the levels of the peptide appeared to affect only maternal aggression; normal maternal behaviors, such as nursing, were observed in all mothers bo...Plant gene discovery could enhance plant growth, reduce fertilizer needs and phosphate pollution
...lture is a major source of phosphate pollution, so anything we biologists can do to improve phosphate uptake in crop plants will make agriculture more sustainable and less harmful to the environment," she predicted. A thorough understanding of how symbiotic fungi work with plants to assist the uptake of p...Scientists discover new intricacies in how ulcer bugs stick to stomach
...d lost its flexibility--it no longer could bind to anything but the version of Lewis b associated with blood type O. "You might call these strains the specialists, and other versions of H. pylori the generalists," Berg says. "These specialist strains are related to Spanish strains of H. pylori, so the...Confidentiality of genetic databases questioned by Stanford researchers
...ensus results. But, Altman said, "We realized that anything we tried ruined the data for research." The best solution, the group concluded, is probably to put such databases behind firewalls, and only allow access to those who can prove they are researchers and who pledge to protect confidentiality. But they ...Macrophages, not stem cells, correct liver disease by fusion
...tem cells are like super cells. They can turn into anything liver, lung, brain, muscle," Grompe said. "Our thought was that blood stem cells are really there to repair all tissues, and we showed that you can cure liver disease with blood stem cell transplantation. "Then we found out that the bone marrow cell...Nanotechnology pioneer slays 'grey goo' myths
...process of developing the factories would not make anything remotely like a runaway replicator - the early machines would be tools, unable to operate by themselves....UF researcher: New low-carb potato to debut in January
... "The potato doesn't look or taste like anything that's now on the market, and it's not a genetically engineered crop," Hutchinson said. "When it comes to beautiful potatoes, this one is a real winner for growers and consumers." Hutchinson, a potato expert, said five seasons of evalu......y tooth in the sawtooth pattern. We had never seen anything like that. We really thought that we were only seeing noise in the stretching of the DNA, but instead we were seeing a perfect registry in the sawtooth pattern," Bustamante said. That perfect reproducibility strongly suggested to Bustamante an...