Low Iron Levels Cause Weakness In Women Who Are Not Anemic
.... Since studying women working in fields would be too difficult, they assessed the physical performance of women working out on exercise bikes. First, they compared 15 normal women with 15 iron-depleted non-anemic women exercising at their maximum level of effort. They found that iron-depleted women ha...Early Tests Indicate Motor Skills Unharmed In Consumers Of Tainted Fish
...paminelevels in the brain. In Parkinson's disease, too little dopamine contributesto a reduction of motor function and executive abilities (planning and attention). "We thought that we might see reduced motor function," shesaid. "At this point, however, it doesn't look like it. We've onlylooked at two o...Genetic Trickery Offers New Way to Target HIV
...sreplication process prematurely." While it's too soon to say whether the work will beclinically relevant, the scientists note that the strategy opensup a new research avenue in the gene therapy of AIDS. They havefiled for a patent on the process. To replicate itself, HIV depends on a molecule ......egregation... The stakes for the world are simply too high." Moreover, by imposing regulatory costs of $60,000 to $1 million perregistration, the EPA's policy will hinder small to mid-sized companies andpublicly-funded institutions such as the USDA's Agricultural Research Service(ARS) from devel...Second Look Acquits Gene Of Role In Breast Cancer
...ells." In many cases, the cancerous cells cut too much out of the RNA, or pastedthe remainingRNA together wrong. Normal and fetal cells made the same mistakes, but muchless often. "The earlier report of TSG101 deletions was actually detecting this alteredsplicing," saysFeinberg. "Is this ...New Gene May Intensify Breast Cancer Growth
...of Intramural Research, at the NIH. The finding is too new to have an immediate impact on breast cancer therapies."At this early stage, we're really thinking more in terms of the fundamentalcell biology of breast cancer. We think this gene is probably part of the enginethat drives the growth of some brea...Roadsides Benefit From Waste, UF Researchers Say
..."They're everywhere." In general, roadside soil is too sandy to hold nutrients or water, making it difficult for grass to grow well. Importing topsoil and adding commercial fertilizer helps but is prohibitively expensive. So the researchers turned to organic wastes. "The roadside is a very harsh conditio......iveto a range of weather conditions - it cannot be too dry nor too windy andso forth. It is estimated that $400 million is lost in rice production alonearound the worl...Fossils Show British Columbia Was Once 2,000 Miles South
...of the speed of thenorthward drift of the rocks is too fast for some. He theorizes that the rocksbegan migrating from Baja California perhaps 75 million years ago, arriving attheir present position about 60 million years ago. That rate of movement, about2,000 miles in 15 million years, indicates a slippa...Duke Lemurs Are Released In Madagascar
...miliarcomforts of manmade structure. Another moved too close to the territoryof a wild group of ruffed lemurs, a contact which the researchers wantedto discourage early in the animal's adjustment to the wild. So, he had tobe recaught and freed near the release site, Welch wrote. The researchers spent se...Wake Forest University Study Takes Students In Flight With The Albatross
...to follow the birds as they fly, and airplanes are too fast and have to be refueled too often to keep pace with foraging trips that can last from days to weeks. From boats, biologists als......d and cemented sheets of sandmade it clear that it too was created by the action of the wind. Burrow mar...at all. Large pebbles and cobbles, which are much too bigto have been carried by the wind, are sometimes present in these sandstones,indicating that the s...DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying
...steps. But if the reaction still proceeds too rapidly to be visualized, theDuke biochemists may have to resort to the X-ray equivalent of strobe flashphotography -- using short bursts of high-intensityX-rays available at synchrotrons such as those at Brookhaven National Laboratoryand the Advance...Termites' Attraction To Small Amounts Of Carbon Dioxide Lures Pests To Their Deaths
...he experiments, we wondered if the conceptwould be too simple to work," Bjostad said. "Our findings show that carbondioxide undoubtedly attracts termites, which opens up a whole range ofpossibilities for controlling these pests." Bjostad, with researchers Elisa Bernklau and Erich Fr...Tiger Beetles Go Blind At High Speeds
...ccelerates toward prey. "If the tiger beetles move too quickly, they don't gather enough photons (illumin...e quickly to explore a large area, but if you move too fast for the optical sensors to gather enough information to form an image, the exploration is fruit...Careful Honeybee Breeding Combats Tracheal Mite Pests
...ees develop resistance -- whichCobey says would be too lengthy a task -- she and the other researchersare simply selecting and breeding the bees that seem to prosper the mostoverall despite the presence of the mites and other environmental conditions. As a result, the Ohio State bees are hearty in genera...Garlic Prevents Hardening Of Aorta, New Study Shows
...organs. “When the pulse wave velocity is not too fast,it prevents damage to other organs like the brain and kidneys,” saidBoudoulas. “So maintaining a healthy aorta may prevent damage to otherorgans that normally suffer with age.” Boudoulas said that in the future he wants to ...Gene For Inherited Syndrome Is Possible New Tumor Suppressor
...hose cases, cancer rises because the genes produce too much of the enzyme. In PJS, on the other hand, cancer seems to occur because a protein kinase isn'tproduced. "As of now," said de la Chapelle, "we have no clue as to how the loss of this gene might lead to cancer. That work will requiremany experimen...Infants, Toddlers Should Not Restrict Fat Intake, Experts Say
...n under age 5 -- especially infants -- are getting too little fat in their diets. They are suggesting new... in children. The problem is that kids today spend too much time in front of the television."......n will be $2,250 to $3,000 per day. Although it is too early to say precisely, Venda predicts the new workstations eventually will decrease occupational injuries for these jobs by 20% (Valery Venda, personal communication). Reducing Work-Related Musculoskeletal Disorders Given the importance of this i...