Pasadena chemist wins national award for environmental research
... dioxide, hydrogen peroxide and cloud water helped reveal how acid rain develops. A current focus of his research team is developing ecologically benign technologies to control pollution. For example, sonochemistry can destroy chemical contaminants with sound, he said, explaining, "These sound-induced rea...Major fossil find reveals Asian origins of salamanders
...splay features of neoteny. The Chinese salamanders reveal that generating diversity through neoteny was already established by 150 million years ago, which may explain why parallel evolution is so common in salamanders. Despite their longevity over evolutionary time, salamanders today are disappearing wor...Scientists find new supressor gene involved in breast, prostate and other cancers
... of the paper, "Mutational and functional analyses reveal that ST7 is a highly conserved tumor suppressor gene on human chromosome 7q31," which appears in the April issue of the journal Nature Genetics (Vol. 27, No. 4)....Altadena chemist wins national award for studying life molecules
...i Nakanishi, a pioneer in developing techniques to reveal the chemical structure of natural products....Amphibian mortality linked to climate change
...and the greenhouse effect. "Although the results reveal the amazing complexity associated with understanding biological systems, they also demonstrate that there may be simple rules that we can follow to help us understand this complexity," Kiesecker said. That could include the use of simple indicators ...Amphibian mortality linked to global climate change
...legnia ferax." Kiesecker says his team's results reveal the amazing complexity associated with understanding biological systems, while at the same time demonstrating that there may be simple rules for understanding this complexity. "Our results indicate that interpreting the impacts of global climate cha...Tipsheet: April journals of the American Society for Microbiology
...trials and subsequent meta-analysis have tended to reveal its general ineffectiveness in adults," say the researchers. "The mechanism underlying the gradual loss of effectiveness of BCG as the individual reaches 10 to 15 years of age is poorly understood." The researchers believe that one possible reas...Scientists sequence genome of strep throat, scarlet fever bacterium
...s stages of testing. "We expect the sequence will reveal new antigens, possibly proteins on the bacterium's surface, that would also be good vaccine candidates."...Scientists determine how chemistry keeps weird worms "out of hot water" at steaming deep-sea vents
...s wand can be placed near a ventto instantaneously reveal the ingredients in the sulfur-rich stew rocketing out of the Earths crust. "One of the analyzers greatest benefits is its ability to detect a number of sulfur compounds simultaneously, such as iron monosulfide, hydrogen sulfide, thiosulfate, polysul......uter programs translate the diffraction pattern to reveal the molecule's three-dimensional properties. In some cases, scientists can determine the resolution of three-dimensional molecular structure to within a millionth of an inch. For the initial diffraction analysis, the crystal sample was imaged in the ...Older fathers substantially raise the risk of having children with schizophrenia
...atistical method that adjusts certain variables to reveal associations), including maternal age, the researchers found that paternal age was strongly associated with a diagnosis of schizophrenia, but not with the other psychiatric disorders....New research confirms that natural selection is acting on the current human population
...tion of the journal Evolution (1), the researchers reveal that women who reproduce earlier in their lives have higher Darwinian fitness (2). They show that this trend is being passed on from generation to generation through natural selection - the process where successful genes pass on to successive generat...National survey reveals profound lack of scientific knowledge
...to help the public understand conservation issues, reveal possible implications of human activities, and suggest positive steps for personal involvement. Methodology Twelve questions were added on to the omnibus survey, The Harris Poll. This Harris Poll was conducted by telephone within the United States ...Immune system helps prevent tumors after all
...e system. "We showed that if a tumor is forced to reveal itself to the immune system, it often is rejected," Schreiber explains. "We think that tagged tumor could be used to train the immune system to reject others like it. This is very exciting because it indicates that immunotherapy has a significant pot...New technique illuminates events obscured in the geologic record
...e technique. Initial results using the technique reveal for the first time several short-term climatic events during the late Cretaceous period that may have played a significant role in mass extinctions at the end of that geologic era, Zinsmeister says. The data coincide with findings from deep-sea core ......immune system, where small changes in the code may reveal a patient's potential for rejection. "This will provide a 'roadmap' for clinicians, to help identify those for whom immunosuppression can be safely withdrawn," said Dr. Thomson, professor of surgery and molecular genetics and biochemistry at the Univ...The tight junction as a selective barrier
...re electron microscopic images of these structures reveal multiple parallel strands that extend along the cell surface and contact the neighboring cell. However, tight junctions do not simply provide a gasket around each cell but rather block the flow of different classes of solutes selectively and in char......onstrate a fundamental experiment in control: They reveal how the movement of (red) carbon monoxide molecules can be choreographed-during an oxidation reaction that releases carbon dioxide-to form regular patterns with (blue) oxygen atoms. But, the principles at work in this simple system could someday be a...Vitamin deficiency may exacerbate motor neuron disease
...targets of SMN. Those studies, he said, could help reveal the regulatory pathway in a key cellular process that may extend to other proteins and other degenerative diseases of the nervous system.......king place, and it is those transitions that would reveal a clearer NMR signal. Typically, researchers must average the test results for these elements over several weeks to reduce the noise. They also must employ very exp...