Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...rs under any climatic conditions. But the relative amounts of magnesium and calcium deposited in ostracod shells do vary according to the temperature of the ocean water. "That's what we hope will be one of the beauties of this technique," he said. "If it works, it will be a direct paleothermometer. It won't...... of U-238. By making precise determinations of the amounts of all three isotopes (U-238, U-234 and Th-230), a... ratios, scientists previously measured the minute amounts of radioactivity emanating from limestone. With proper instruments, they can distinguish between the...Nutrition Study Reshapes Strategies For Athletes
...nd vegetables, breads,grains, pasta, cereal, small amounts of low-fat milk and meat, and somefoods that make life interesting."...Water Recycling Project Tested in Turkey Plant
...ication of a more efficient way to use the massive amounts of waterrequired to process turkeys. The new system uses ozone, a highly reactiveform of oxygen, to recycle water in the plants. The Cargill, Inc., Honeysuckle White turkey processing plant in Springdale,Ark., is the site of the procedure that has b...Changing Continental Runoff Patterns Could Change Ocean Circulation
...s drying up. We do have the capacity to alter the amounts of freshwater that run off into the oceans and th...e of current deep water formation dissolves large amounts of carbon dioxide from the atmosphere," says Bice. "It takes one to two thousand years for this car...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...inental ice sheets and were intensified by reduced amounts of atmospheric carbon dioxide, which insulates the earth by trapping heat reflected from the surface toward space. While a 4- degree global average cooling might not sound like much, it translates into regional average temperatures that were colder t...NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
... and territorial purposes. The fires produce large amounts of hydrocarbons and oxides of nitrogen, which inte...iosphere-atmosphere chemistry. Plants take up vast amounts of carbon, particularly in the lush tropics, but plants and soils also release carbon, and the overa...Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
...and territorial purposes. The fires produce large amounts of hydrocarbons and oxides of nitrogen, which inte...osphere-atmosphere chemistry. Plants take up vast amounts of carbon, particularly in the lush tropics, but plants and soils also release carbon, and the overa...No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
... not only with carbon dioxide, but also with large amounts of nitrogen-containing compounds released by the b...innesota and the Ohio Valley, right up through the amounts of highly agricultural and industrial areas of Europe," said Tilman. "Two of our nine treatments wen...Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...eawater rushes in and the rock "heals" around tiny amounts of the liquid. The high temperatures cause the se...ional Science Foundation, Kelley studies minuscule amounts of seawater for clues about what could be a major source of methane and hydrocarbons. She has acces...Chemists Compute Answers To The Origin Of Gout
...nkind uses industrial conditions requiring massive amounts of energy and high pressures The characterisation of new chemical compounds to help detect cancer tumours...Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment
...ed naturally by some human melanoma tumors, but in amounts too small to effectively eliminate tumors. "In mouse studies, we tried delivering GM-CSF in large doses, directly to the tumor," explains Dr. Ansel. "We grew melanoma tumor cells in culture and added the GM-CSF gene. Then we reinjected the combina...Ozone 'Chat Room' Provides Real-Time Air-Quality Research
...provide the technical support for analysis of vast amounts of data pertaining to ozone so that we can enlighten the decision-makers," says Husar. "Historically, ozone has been considered a local problem maintained by cleaning up local emissions. But more recently, it's been recognized that attainment in so...Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
... -- air, which then will betested to determine the amounts of chemicals that already exist in theenvironment. "We'll close up the system and measure what's in there, then startvarying the concentrations of chemicals in the chamber," Hornbuckle said. Theseinitial tests are designed to see how the wall...Maternal Lead Exposure Linked To High Numbers Of Cavities
Exposure to high amounts of lead is likely one cause of thehigh rates of tooth decay found among certain groups, such aschildren raised in the inner city, according to a study in ratsby University of Rochester dental researchers published in theSeptember issue of Nature Medi...Plant-Based Therapies Examined For Colon Cancer Prevention
...ll examine the influence ofadministering different amounts of either curcumin, rutin or quercetin on theamount of colorectal cells replaced and the speed of this process during thenormal functions of the intestine. The study includes looking for and measuringthe size and kind of any intestinal polyps that d...Bowman Gray Scientists Find Novel Way To Block AIDS Virus
...d. "As long as this approachcan protect sufficient amounts of lymphocytes to maintain immune functions, theHIV-1-infected individuals would be healthy, even if HIV-1 viruses stillreplicate in the individuals." He said that since genetically modified lymphocytes can live for manymonths or years, "thi...Further Proof That An Altered Rb-2/p130 Gene Leads To Lung Cancer
... tissue. The pRb-2 protein is present in high amounts in normal lung cells. Yet when Rb-2/p130 is altered and cannot produce pRb-2 , the cell may not reach its normal stage of programmed death. It continues to divide, leading to cancer. Last July, reporting in Clinical Cancer Research...Purdue Research Shows Omega-3S Benefit Bone
...esearch, found that bones of animals fed increased amounts of omega-3 fatty acids showed improved formation r...Right now there are no national recommendations on amounts of omega-3 fatty acids people should include in their diets," Watkins says, "although studies have s......ty lipoprotein (VLDL). LDL and VLDL contain large amounts ofcholesterol and triglycerides that can adhere to the arteries in the form offatty plaque. HDL is the "good" cholesterol because it transports cholesteroland other fats from the bloodstream. Physicians often combine LDL and HDL, as a cholesterol ...