Researchers devise potent new tools to curb ivory poaching
...o quickly assemble genetic reference maps to apply this technology to other at-risk species. Besides Wasser and Stephens, authors of the PNAS paper are Andrew Shedlock, formerly of the UW and now at Harvard University; Kenine Comstock and Elaine Ostrander of the Fred Hutchinson Cancer Research Center in ...Punching the timeclock of life
...hey have to?" Longo said he realizes that this theory goes against the fundamental theories of evolution, which is why he took 10 years to publish, combing through scientific papers dating back to the 1870s to learn about the genesis of the theory of natural selection and speaking with prominent ...Indiana University, EPA to study airborne PCBs
... started decreasing again. We still don't know why this happened, but we hope the next few years of data w... locations around the Great Lakes has corroborated this "urban effect" in PCB levels. For example, PCB concentrations at the most urbanized study site, down...Tracing genes, biologists show lizard migration is traced to Florida
... in Florida. "The basic idea that drove this research was to determine where the newly introduced populations in Florida and elsewhere came from," said Kolbe. "We discovered that once an introduced species gets established in an area it can become a source for introductions elsewhere. And we ...Marijuana use could cause tubal pregnancies
...s at Vanderbilt University Medical Center reported this week. The researchers studied CB1, a "cannabin...ver-stimulate the receptor. In a search to unravel this mystery, Haibin Wang, Ph.D., research assistant professor of Pediatrics, found that the CB1 receptor...Fortifying food with folic acid benefits babies
... and pasta. The study supports the continuation of this food fortification strategy. The way that folic ac...babies is poorly understood, yet the evidence that this vitamin is of benefit is clear. Since 1992, many health organizations have recommended that women ta...UCI scientists successfully target key HIV protein; breakthrough may lead to new drug therapies
...ithout causing collateral damage. A key benefit of this achievement, he added, would be the development of therapies using smaller molecules, which can often be used in oral medications. Therapies that rely on larger molecules are used in medications injected by needle. "By proving small molecules can be...Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria
..."To our knowledge, the remarkable self-assembly of this inexpensive and simple lipid is unprecedented and ...ts and we will be continuing our investigations of this novel material in collaboration with our colleagues here at the University of Pittsburgh and the U.S......ion. The find is extremely rare since dinosaurs of this genus are not typically found in this southern region (similar specimens have been located in Montana and Canada). The find may also repre...Alaska scientists find Arctic tundra yields surprising carbon loss
... for. Apparently not. "The broadest implication of this research is that climate warming could lead to a m..., said Bret-Harte" "What's really surprising about this result is that we didn't expect that this big loss of carbon from the soils would be stimulated by n...New sequence involved in DNA replication timing may aid in cancer detection
...DNA replication timing are associated with cancer, this discovery may lead to improved methods for cancer ...dee have discovered a stretch of DNA that verifies this hypothesis. To study DNA replication timing, Huberman and Yompakdee used fission yeast as a model or...Bronfenbrenner book sums up human development
... following sites provide additional information on this news release. Some might not be part of the Cornell University community, and Cornell has no control over their content or availability. oUrie Bronfenbrenner http://www.human.cornell.edu/faculty/facultybio.cfm?netid=ub11&facs=1...UMaine anthropologist wins Solon T. Kimball Award
...sting industry," and the lessons we can learn from this industry can be applied to managing other threaten... selection committee, writes in an announcement of this year's Solon Kimball Award that Acheson's "work is especially impressive in that his theoretical per...... 25 by 4 nanometers. But how that protein achieves this feat of crystal-strand shape-shifting has remained... have reported the first direct observation of how this protein, amelogenin, interacts with crystals like those in bone to form the hard, protective enamel ...Master of antimalarial resistance
...n antimalarial drug, chloroquine works by blocking this detoxification process. The protein produced by the pfcrt gene is located in this digestive vacuole and may act as its gatekeeper. In chloroquine-resistant malaria, mutations in pfcr...No role for simian virus 40 in human pleural mesotheliomas
...States. Seventy to eighty percent of patients with this rare cancer have had exposure to asbestos. It has ... September 25 issue of Lancet, calls into question this proposed link between SV40 and pleural mesothelioma and provides a possible explanation for the disc...Keep genome data freely accessible
...owed scientists around the world to begin studying this virus and its pathogenicity, led to the development of vaccine candidates and diagnostic tests, and helped guide the antiviral drug research. "Unfettered, free access to the results of life-science research . . . has served science and society well",...Females may be more susceptible to overindulge 'sweet tooth' cravings than males
... female rats are more vulnerable than male rats to this "sweet" form of diet-induced hyperphagia....Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
...he mystery of how slight mutations in the shape of this protein can make it resistant to the antibiotics c...ges of the enzyme shape. The researchers also used this technique to make images of the enzyme bound to the two molecules that the enzyme chemically combine......emely long neck that characterizes some species of this group, including Tanystropheus longobardicus, whic...e have finally explained the functional purpose of this strange, long neck," said Olivier Rieppel, PhD, a co-author of the Science paper and chair of geolog...