Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...rglacial periods. The ostracod in the samples were alive between 3.2 million and 2.5 million years ago, an ...llected at another North Atlantic site. Those were alive during the past 200,000 years, representing the last two glacial-to-interglacial cycles. The study f......cies doesn't matter: mouse,chicken, frog. Anything alive canserve as a template to find humangenes." Many cancer-causing genesalready identified in mice and otherlaboratory animals are thought tohave analogs that cause cancer inhumans. This animal research cannow be translated far more quicklyinto human ge......s in the cells it infects, so those cells can stay alive tomake more virus. And then it kills the uninfected cells that would otherwise beinvolved in providing immune protection." Noting that Vpr mimics the actions of a class of steroidal drugs calledglucocorticoids, the researchers hypothesized th......here were anymodern-day accounts of animals buried alive in sandstorms. The research did notrecord any such mass smotherings. Again, Dr. Loope drew on his experiences in the Nebraska Sandhills to providethe solution. Before leaving for Mongolia he had been studying a poorly knownphenomenon in which othe...Major Wolf Die-Off Recorded On Isle Royale
...s." Peterson said there were 10 wolf pups alive on the island last summerand only three have survived to this winter. That leads biologists to wonder ifperhaps canine parvovirus is again present in the population. "We plan tolive-capture some of the wolves this spring and take some blood samples t...Chromosomal Abnormalities Key For Prediting Leukemia Outcome
...628 AML patients in the study, 56 (9 percent) were alive fiveyears after diagnosis. Of these, nine died of...w-up. This left 39 patients, or 6.2 percent, alive 10 to 15 years after theirAML diagnosis. “These data are among the first to confirm that ...Infant Dependency Drives Menopause, NSF-Supported Researcher Reports
...rvival of individuals whose grandmothers are still alive but no longerreproductive. Although grandmother lions and baboons both engage in what'scalled kin-directed behavior, they had no measurable impact on the survival orreproduction of their grandchildren or adult daughters. It has also been sug...New Retinal Surgery May Reverse Legal Blindness
...ke cutting off a leg to save your life. You end up alive but disabled." In the new procedure, de Juan pinches the sclera, the white, outer partof the eye, as if it were a hollow rubber ball. Then he puts sutures into theside wall of the eye to keep it pinched, shortening its length. This buc...A New Molecular Marker For Prostate Cancer
... of men in the high p27 expression group werestill alive after 9 years, while only 79 percent of the moderate group and 49percent of the low group survived at 9 years. "Evaluation of p27 in prostate cancer may not only be of great medicalimportance, but may also have tremendous economic benefits as well,"...Relapsing Fever Spirochete Switches Surface Proteins When It Changes Hosts
... ticks thatassociate with these rodents can remain alive and infectious for years withoutfeeding. Human cases of illness tend to peak in the warmer months, since if it's toocold, the ticks can't move. But the disease can occur year-round. A commonscenario for human infection is to have a tick population ...Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
...ly formed bloodvessels were far more likely to be alive 14 years after treatment. Furthermulti-variate ana.... While 91 percent of patients with high nm23 were alive an average of 14 yearsafter treatment, only 70 percent of those with low nm23 survived that long. Th...A Common Microbe Could Help To Trigger Alzheimers
...ffectedbrains, showing that the organism was still alive rather than a long-deadbystander (Medical Microbiology and Immunology, vol 187, p 23). C. pneumoniae's presence in the diseased brains does not mean that itcause Alzheimer's, the scientists stress. But they think the bacterium may atleast be ...Study Demonstrates High Conservation Potential Of Logged Rainforest
...could be the key to keepingmany of Earth's species alive as the human population reaches its peak over thenext several decades." Since 1994, Cannon has been a Duke graduate student pursuing a Ph.D. insystematics, an older academic field of plant and animal classification that hasrecently been revit......fairs. "The genetic material in organisms alive today traces back generation bygeneration through an unbroken chain of descent [with modification] fromancestral molecules that have copied and replaced themselves ever since theorigin of life on earth, about 4 billion years ago." In recent ...Researchers Grow Healthy Human Placental Cells For Drug Research
...body else has been able to keep placental cells alive for more than one week. So our ability to grow them over long periods of time allows us to look at the long-term effects of drugs on the cell. What we’re ultimately trying to do is push the envelope further and grow cells for three or f...Virginia Tech Scientists Studying Cells From Extreme Environments
...remely harsh, dry environments.It not only remains alive when air-dried, but when wetted, it absorbs water,swells, turns green again, and is revitalized. Malcolm Potts, professor of biochemistry at Virginia Tech, and Richard Helm,associate professor of wood science and forest products working in FralinBiot...USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs
...d lake bottom. Salamanders that were still alive appeared lethargic, swam in circles and were unable to remain upright. The sick salamanders also had red spots and swollen areas on the skin. A small number of seemingly healthy salamanders were also observed, but quickly swam into deeper water. No o......ning ofthis sentence. The only sauropod dinosaurs alive at the end of the Cretaceousperiod with teeth this shape were sauropods known as titanosaurs. The remainsof these dinosaurs are common near Auca Maheuvo, making it very likely that theembryos belong to this group. Unlike any other known sauropods, t...Sibling Cord Blood May Offer Best Match Chance For Some Patients
...esuccessful in three of the four patients, who are alive and well 12 to 29 monthsafter transplant. The findings were prepared for presentation Friday at the annualconference of the American Society of Hematology. The success offers hope for patients who otherwise may not find asuitable mat...Rare Fossil Shows Theropod Dinosaurs Are Fast, Dangerous 'Turbocharged' Reptiles
...etabolic advantages unlikethat of any animal still alive today, Jones said. "But for various reasons itonly works well in a warm climate, which most of the world had during the age ofdinosaurs. When the climate turned colder or more seasonal variation developed,what had once been the advantage of the din...