Tag: "natural" at biology news
Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
...ffects on homocysteine metabolism. Homocysteine, a natural
byproduct of the body's metabolism of meat and dairy foods, has been shown in earlier research to damage the lining of blood vessels. Low levels of vitamin B-6 can lead to elevations in homocysteine.Regarding the surprising finding about normal leve...
At Life's Most Sensitive Stage, Embryos Cope With Stress
...rm, which survives in coastal mud flats, resisting natural
andman-made toxins washed off the land by streams. "Adult organisms often defendagainst toxins by taking the substance into their cells and transforming it,"Epel said. During embryogenesis, contact with such toxins could damage DNA,proteins or cell m...
"Doctor Watershed" Named AAAS Fellow
...ystems by studying incipient change as a result of natural
or human-derived stress. Important watershed r...sts to minimize the loss of life and property from natural
disasters, contribute to the sound conservation, economic andphysical development of the nation's na...
"Discovering Biological Diversity" Is AAAS Topic For USGS Manager
...ter-informeddecisions regarding the future uses of natural
resources across this nation-- and the globe," sai... physical development of the nation's natural
resources,and toenhance the quality of life by monitoring water, biological,en...
Summary Of USGS Presentations And Activities, AAAS, 1998
...ingof ecosystems by studying change as a result of natural
and human-derivedstress. MONDAY, FEBRUARY 16, 3:00...ists to minimize theloss of life and property from natural
disasters, contribute to the soundconservation, economic and physical development of the nation's na...
Not Just What You Eat That Affects Risk For Heart Disease And Stroke; Your Genes Influence How Much Damage High-Fat Diet Causes
...igh blood levels of the amino acid homocysteine, a natural
byproduct ofthe metabolism of food, have been associated with increased risk for heartdisease, stroke and atherosclerosis in blood vessels of the limbs. "Thus, blood homocysteine may be a risk factor for atherosclerosis in asimilar fashion as sm...
Population Growth Costs Include Global Warming Impact
...ra person affects the economy --he or she consumes natural
resources, requires a share of capital resources suchas buildings and computers, and generates carbon emissions that contribute toglobal warming. These are societal costs beyond what a parent pays to raise achild." Using variants of two eco...
Amphibian Mortality Due To UV Radiation
...een anecdotal,and no experiment in the field under natural
conditions had been performedpreviously," said Joseph M. Kiesecker of Yale University, who presented hisfindings Feb. 17 at the annual meeting of the American Association for theAdvancement of Science in Philadelphia. Kiesecker, along with A...
Molecular Mechanochemistry: An Emerging Discipline At The Nexus Of Biology And Physics
..."Cardiac output, and hence blood flow, goesthrough natural
variations throughout the day, as well as with exercise andstress. For example, if a certain tissue needs more blood, the artery to thattissue will dilate and allow more blood to flow through it." Dilation andconstriction of vessels are ultimately co...
Towards A Local Stimulation Of Natural Bypass Growth - Max Planck Scientists Developed New Treatment For Ischemic Heart Disease
Enhancing the bodies ability to create its own natural
bypasses may soon become an alternative to balo... between healthy and diseased heart where large natural
bypasses grow from smallest preexisting connections which are however large enough for the mic...
Uterine Environment Boosts Learning Ability In Mouse Offspring
...eNon-Transfer group consisted of BXSB mothers with natural
embryo implantation.The In-Strain Transfer group had BXSB mothers with transplanted embryos. And theOut-Strain Transfer group consisted of non-automimmune CB6F1 hybrid mothers withtransplanted embryos. The Non-Transfer and Out-Strain pups were delive...
USC Study On Soy's Anti-Cancer Effects
...toprotect cells against cancer. "The study links a natural
component of our diet to the control of the cellul... soy's putative protective effects. Genistein is a natural
plant estrogenwith antioxidant properties. In test tube studies, the compound has been shownto halt ...
GCTE/LUCC Open Science Conference:
...mospheric composition changeson the functioning of natural
ecosystems and on the planet as a whole? Can the... animal and plant species affect the functioningof natural
and agricultural systems? How can we use our knowledge of land use changes to move toward moresust...
Nitrate Reductase: A Magical Enzyme?
... end result is an enzyme that isvery much like the natural
nitrate reductase we started out with. This gives uscapacity to produce the qualities of the enzyme we need for research." He alsosays this is the first step toward making nitrate reductase commerciallyavailable on a very large scale, which will mak...
The Environmental Consequences Of Increasing Food Production
...te of 90 million people per year; as aconsequence, natural
ecosystems are rapidly being replaced by agricultu...e discussing the environmentalimpact of converting natural
and semi-natural ecosystems into intensivelymanaged agricultural systems. The Science The Food and...
Researchers From Rockefeller University Develop Novel Method To Fight Cancer
....D., Ph.D., provides an avenue forusing the cell's natural
machinery to bypass this requirement, allowing the...ry of this new pathway allows the dendritic cell's natural
machineryto decide which pieces of the protein are useful to an individual's immunesystem," says Alb...
Reclaimed Waste Water Can Augment Municipal Drinking-Water Supplies But Concerns Must Be Addressed
... reservoir, or undergroundaquifer. The mixture of natural
and reclaimed water is then subjected to normalwater treatment before it is distributed as drinking water for the community. Since the 1960s, California's Los Angeles County has operated an indirect-usesystem in which waste water, mixed with storm wa...
Carbon In Boreal Forests: Temporary Or Permanent?
...uestion. The Science As a forest matures under natural
conditions, its rate of carbon uptake fromthe atmo...nces suchas harvesting and fire control add to the natural
disturbances driving thiscycle. Changes in disturbance regimes, both natural
and human-induced, main...
Wake Forest Study Shows Soy Containing A Key Ingredient Is What Lowers
...cholesterol-lowering effect of soy is the resultof natural
compounds in the soy known as isoflavones, Wake Forest UniversityBaptist Medical Center researchers reported today at an American HeartAssociation meeting in Santa Fe, NM. John R. Crouse III, M.D., professor of internal medicine(endocrinology...
UNC-CH Researchers Discover Key Cancer Control Mechanism
...The mechanism appears to be one of the most potent natural
ways offighting tumor development, the scientists say. After more research, it might bemanipulated to treat cancer more successfully or detect it earlier. "While this work is not a cure for cancer, it is very important forseveral reasons," s...
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