Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
... cultural interactions," Newton said, "such as the rise and fall of the Minoan, Mycenaean and Greek civilizations; event-based histories, like the Trojan War and the Exodus; and social evolution, like the Neolithic Revolution and the formation of states. We must determine the absolute age of these histor...Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...egin drilling a 1000-meter core from Siple Dome, a rise of ice located between two ice streams on the coas... If West Antarctica's ice melted, sea level would rise worldwide by six meters. West Antarctica's swift ice streams lie above a geologic rift -- an area w...No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
... The nitrogen-driven loss of diversity and rise of "weedy" species in grasslands are comparable to the well-documented changes that occur in some lakes when phosphorus is added, the researchers said. In lakes lacking phosphorus, the addition of this nutrient -- often a result of human activities ...Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...chgeologist with the U.S. Geological Survey. "The rise and fall in thenumber of species of ostracodes during 11 glacial cycles suggests that theeffects of any future global climate change-whether natural ormanmade-could further affect the richness of life on Earth beyond the riskalready posed by habitat ...Eating After Exertion May Be A Key To Speeding Body's Recovery
... of fatigue." The oat cereal worked to reduce the rise of glucose and insulin, allowingfor a stable blood chemistry that promoted the efficient use of free fattyacids, Layman said. These effects, he added, are probably derived from thesoluble fiber in oats. In the post-exercise study, funded by the Nati...Pets Provide Physiological Benefits For Women Living Alone
...amily and friends can help prevent the age-related rise in blood pressure that can increase the risk of stroke and heart attack. Unfortunately, a growing number women, particularly older women, live alone, often in isolation. New research from the University at Buffalo presented here today (M...Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
...s before the transplant, the donor's marrow cannot rise upand attack the patient's vital organs -- a common complication with bonemarrow transplants. And, by removing these cells before the transplant, the infant avoidsthe toxic drugs normally given to suppress the donor's T-cells. Results fr...Couch Potatoes, Not French Fries, May Be To Blame For Obesity
... consumption is partly to blame for the widespread rise in adult obesity. He found that "states that have a lot of fast-food sales aren't the states that the Centers for Disease Control say have weight problems." Binkley presented his findings at the annual meeting of the Western Agricultural Economics As......ee decades, ecologists haveargued about the cyclic rise and fall of insect populations.Determining the rea...or instance, be only a partof a very long cycle of rise and fall, or it could, in fact, bepart of an extinction curve....Newly Discovered Human Protein Provides Important Target For Cancer Therapy
...nd in certain immature progenitor cells that give rise to other body tissues. Telomerase activity is not detectable in most mature cells. Switching off telomerase during development can be likened to setting astopwatch. This stopwatch keeps track of the number of cell divisions thatoccur in any ...Early Menarche Puts Young Girls In Peril
...chastity as an ideal, the waning of virginity, the rise of sexually active girls throughout middle America and dwindling parental power. Although girls enjoy a new world of sexual freedom, Brumberg says, it is fraught with hazards since many girls are also victims of a century of change in sexual mores a...UF Researchers Identify Virus That May Cause Epidemic Disease In Sea Turtles
...g in thetumor ?" Researchers first noted a rise in the number of turtleswith the lesions in the mid-1980s, and the incidence of the diseasehas rapidly increased since then, said Ritchie Moretti, who runsthe Turtle Hospital in the Florida Keys. "UF researchers saw the first turtle with in...Experimental Trial Combines DNA Vaccine With Triple-Drug Therapy To Stop HIV
...ic constructs triggered a statisticallysignificant rise in antibodies, but did not appear to alter the course of theinfection. The hope in the current trial is that, in HIV-positive patients whosevirus levels have been lowered by drug therapy to allow their immune systems torebound, the vaccine w......or understanding both the origin of ants and their rise to aposition of ecological dominance in the world today. The new ant specimens are of particular consequence because they showthepresence of a "metapleural gland," which is the distinguishing anatomicalfeature of ants and is a key to their ab...New Research Suggests REM Is About Eyes Not Dreams
...ep is associated with such phenomena asdreaming, a rise in brain temperature, penile erections, and EEG changes. Buthe cannot see any physiological significance in these phenomena and suggeststhat they may result from the partial arousal necessary for REM to occur. "Inany case," he writes, "my interests ..."Genetic Factors Influencing Cholesterol Response To Diet"
.... One, designated apoAIV-2, appears toprevent the rise in LDL induced by increased intake of dietary cholesterol. A much more common genetically influenced condition that can influencethe blood cholesterol response to a low fat diet is that responsible for the"small, dense" subtype of LDL, also ...Candidate Regulator Of The Temporal Component Of Neurotransmitter Release Identified
...and tight control by calcium levels, which must rise thousandfold to trigger vesicle fusion. Using a combination of molecular biological and physiological techniques, the groups of Betz and Augustine now have found evidence that the speed of transmitter release itself may be controlled, som...... remaining groups, estrogen levels continued to rise and pregnancies resulted in all three groups. "This suggests that if you administer FSH until one follicle matures, then limit FSH and substitute LH, you can support the growth...New Sickle-Clawed Fossil From Madagascar Links Birds And Dinosaurs
...ontologists have long suspected that theropodsgave rise to birds, and the presence of this "maniraptoran" toe and claw on theMalagasy bird "clinches it for us. This discovery lends a lot of weight to theidea that birds are a side-branch of the theropod family tree," says Forster. The discovery wa...Study Finds Russian Women, Children Not Getting Enough Iron In Their Diets
...raditionallyimportant suppliers has led to a sharp rise in the cost of many basic foods inRussia," said Dr. Martin Kohlmeier, research professor of nutrition at theUNC-CH schools of public health and medicine. "This has raised concerns thatsome Russians cannot afford the foods they need to maintain optima...