Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...ing 200 rings, you know that the tree is 200 years old and started growing in 1776. Then, you compare the pattern of its rings with those from a piece of wood from a building you know was built in 1860. You keep doing the same with earlier and earlier samples of wood." While the researchers stress that...Bark Beetle Infestation Spurs Multifaceted Study
...sts are concerned because they believe this areais old growth forest," says Dr. Alan Taylor, associate pr...owed suit. The regrown forests are now 120 years old and are two to ten times moredense than the original forests. These trees now compete intensely for ...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...age. Based on extrapolationand evidence, including old photographs of huge harvested logs and four-foot-w... mahogany trees growing whereshe detected signs of old hurricane or fire damage. Snook then began a systematic search for more sites of past disturbancesb......l andmapping investigations. In concert with our old and new partners andthrough a variety of efforts and products -- from maps and written reportsto our latest electronic home page on the Internet -- we are striving toserve every citizen every day," Eaton said. For FY 1998, the USGS budget i...Vietnamese Chemist Finds New Use For Old Cashew Shells
...rubberproducts improved by the oil squeezed out of old cashew nuts. Vu-Thi-Yen has been working with Distinguished ResearchProfessor James E. Mark for a little over a year under a NationalScience Foundation grant to stimulate U.S.-Vietnamesepartnerships. Mark is known worldwide for his polymer researchan...First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...an Francisco Zoo. "We have come full circle --from old fashioned menageries that only displayed animals, to centers forconservation that return wildlife to the wild and protect habitats aroundthe globe." The Duke center, located at an isolated off-campus setting, is now hometo 16 different endangered le...Bacterium gobbles up chlorinated pollutants
...om a sludge sample. The sludge came from Ithaca's old sewage-treatment plant, a microbe-rich relic from the days when dry-cleaning solvents and industrial degreasing agents were flushed down the drain. An anaerobic bacterium, Strain 195, "uses tetrachloroethene much like we use oxygen," Zinder said, ...Ozone 'Chat Room' Provides Real-Time Air-Quality Research
...other outdoor activities. Summer Sizzle The good old summer time is "Ozone Season." Ground-level ozone is a harmful pollutant that can cause health problems, especially for children, the elderly and people with respiratory conditions. A major contributor to smog, ozone is an irritating gas formed when...Calorie Restriction Reduces Age-Related Muscle Loss
... muscles. Researchers examined muscle tissue from old rats on unrestricteddiets, and moderately (35 perc...er numbers were preserved inthe highly restricted, old animals. Muscle from these rats also containedsignificantly fewer RRFs as well as COX negative activ...CSIRO Discovery Fights Cell Ageing
...tist to clearly show in laboratory experimentsthat old human cells can be rejuvenated. "Now, thanks to the work of the CSIRO team and other collaboratinglaboratories, we can create skin care products which contain a substancewhich has been shown to combat the ageing of human cells in culture,"Dr Grigg s...Menstrual Phase Linked To Ineffective Mammograms
...from 8,887 menstruating women who were 40-44 years old whenthey entered the study. The investigators compared mammogram results of women inthe follicular phase of their menstrual cycle (days 1 to 14) with those in theluteal phase of their cycle (days 15- 28). Baines and her U of T colleagu...Maternal Lead Exposure Linked To High Numbers Of Cavities
...n removed from most gasoline, it'sstill present in old paint and commonly in soil or dust aroundcontaminated buildings. Bowen says that the areas with thehighest lead pollution -- inner cities and the Northeast -- mirror areas where dentists see the highest rates of toothdecay. The team studied cavi...Captive Lemurs To Depart For Madagascar Oct. 17 For First Release Into The Wild
...n Francisco Zoo. "We have come full circle -- from old fashionedmenageries that only displayed animals, to centers for conservation that return wildlife to the wild and protecthabitats around the globe."...Colorado State Anthropologist Finds Fossil Treasures In Africa
...e remains from Botswana are less than 10,000 years old and are fully modern. Other fossils foundin Botswana have been from the Middle Stone Age, roughly 100,000 years and earlier. "This is a great find because of the wealth of fossils in the cave," Waddle said. "It's particularly important because Botsw...UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
... the top of the sea. That's muchdifferent than the old textbook model which shows Uintacrinusbobbing with its arms hanging down into the sea. Meyer rejectedthat idea two years ago, noting there were not special structuresto help the organism float and that it would be easier to collectfood if Uintacrinus...Common Food Dye Can Cause Severe Allergic Reactions
...ct. Baldwin scoured references---including an old Spanish monograph, FDA regulations, the Handbook of U.S. Colorants for Foods and Drugs, and even an article on cochineal bugs in Ranger Rick magazine. He learned about the extract's long history as a colorant, widespread use today, manufacturing pro...10,000-Year-Old Clues Suggest Future Forest Changes
...ewes studied pollen to reconstruct vegetation - as old as 10,000 years - found in lake bottoms and wetlands. He has found that from 9,000 to 7,000 yearsago in B.C. there was a warming trend similar to what is currently being predicted for the next century. His findings, confirmed by a serendipitous disco...Strange South American Fossil Mammals Found In Madagascar And India
...w York at Stony Brook. The 65-70 million year old mammals, dating from the Late Cretaceous period, were unrelated to any groups living today and are known as gondwanatheres. The discovery of their highly distinctive teeth in such disparate places as South America, Madagascar and India has fundament......s less expensive). It is just as efficient as the old initiator, even when the team use ten times less. The new chemical is also a catalyst which means that it is not destroyed in the stitching process. The catalyst can be easily recovered from the reaction and it can be re-used again in other reacti......es appeared to be brought on by old age and predisposing genetic factors, versus environmental or lifestyle factors. Colon cancer, coronary sclerosis, degenerative joint disorders, and cerebral amyloid plaque (a component of Alzh...