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Breakthrough Technique Unlocks Secret Of Plasmas - Researchers have developed a technique that brings scientists a big step closer to unlocking the secrets of the most abundant form of matter in the universe....

How Red Wine Compounds Fight Alzheimer's Disease - Scientists have discovered the mechanism behind how compounds in red wine called polyphenols slow the cognitive declines of Alzheimer's....

From Genes To Farmers' Fields: New 'Waterproof' Rice Developed - "Waterproof" versions of popular varieties of rice, which can withstand two weeks of complete submergence, have passed tests in farmers' fields with flying colors. Several of these varieties are now close to official release by national and state seed certification agencies in Bangladesh and India, where farmers suffer major crop losses because of flooding of up to 4 million tons of rice per year. This is enough rice to feed 30 million people....

Adults Need Vaccines, Medical Societies Urge - The American College of Physicians and the Infectious Diseases Society of America have released a joint statement on the importance of adult vaccination against an increasing number of vaccine-preventable diseases. The statement has been endorsed by 17 other medical societies representing a range of practice areas....

Ultra-wideband Radio Rides A Beam Of Light - Multiple high-definition videos and other data-rich services may soon stream through homes, offices, ships and planes via new hybrid optical/ultra-wideband-radio systems developed by European researchers....

Pregnant Women Who Do Aquarobics Have Easier Deliveries, Study Finds - A course of water aerobics classes has been shown to reduce the amount of pain-killing medication women request during labor. Research shows that, as well as being safe, the gentle exercise has the benefit of making it easier to give birth....

Simple Eyes Of Only Two Cells Guide Marine Zooplankton To The Light - Scientists now explain the remarkable ability of marine zooplankton to swim towards light. A new study reveals how simple eyes of only two cells, sense the direction of light and guide movement towards it. The research also provides new insights into what the first eyes in animal evolution might have looked like and what their function was....

Lactic Acid Found To Fuel Tumors - A team of researchers has found that lactic acid is an important energy source for tumor cells. In further experiments, they discovered a new way to destroy the most hard-to-kill, dangerous tumor cells by preventing them from delivering lactic acid....

Drug Addiction: Environmental Conditions Play Major Role In Effective Treatment And Preventing Relapses, Animal Study Shows - Environmental conditions play a major role in treating drug addiction and in preventing relapses, according to new research. For the first time, researchers have shown that positive and stimulating environmental conditions make it easier to treat cocaine addiction....

New Technologies Gearing Up To Meet Rising Demand For Vital Malaria Drugs - Three emerging technologies have the potential to significantly improve supplies of drugs to combat malaria, according to a new report....

Fluorescence Used To Develop Method For Detecting Mercury In Fish - Researchers have developed a simple and quick method for detecting mercury in fish and dental samples, two substances at the center of public concern about mercury contamination. The technique involves a fluorescent substance that glows bright green when it comes into contact with oxidized mercury....

Behavior Very Similar In Distracted Humans And Rats On Neurotransmitter Blocker - When picking through a basket of fruit, it doesn't seem very difficult to recognize a green pear from a green apple. This is easy, thanks to "feature binding" -- a process by which our brain combines all of the specific features of an object and gives us a complete and unified picture of it....

Could Marijuana Substance Help Prevent Or Delay Memory Impairment In The Aging Brain? - Scientists are finding that specific elements of marijuana can be good for the aging brain by reducing inflammation there and possibly even stimulating the formation of new brain cells. Some research suggests that developing a legal drug that contains certain properties similar to those in marijuana might help prevent or delay the onset of Alzheimer's disease. Though the exact cause of Alzheimer's remains unknown, chronic inflammation in the brain is believed to contribute to memory impairment....

New Approach To Screen Individuals For Early Alzheimer's Disease - With millions of baby boomers entering late adulthood, the number of patients with Alzheimer's disease is expected to drastically rise over the next several decades. A team of national researchers, has developed a rapid screening test to detect mild cognitive impairment, often the earliest stage of AD....

Glacial Erosion Changes Mountain Responses To Plate Tectonics - Intense glacial erosion has not only carved the surface of the highest coastal mountain range on earth, the spectacular St. Elias range in Alaska, but has elicited a structural response from deep within the mountain....

Ideal Time For Stem Cell Collection Defined For Parkinson's Disease Therapy - Researchers have identified a stage during dopamine neuron differentiation that may be an ideal time to collect human embryonic stem cells for transplantation to treat Parkinson's disease, according to new research....

Can Renewable Energy Be Sustained? - Engineers and entrepreneurs are rushing to explore alternative sources of efficient and renewable energy. One professor has strong words of caution as projects involving wind farms and photovoltaic cells proliferate. Coordination is lacking in development of alternative power sources, he warns....

Methamphetamine Abuse Linked To Underage Sex, Smoking And Drinking - Teens who have never done drugs, but engage in other risky behaviours such as drinking, smoking and being sexually active, are more likely to use crystal meth, medical researchers have concluded....

New Nano Satellite Mission To Examine Link Between Lightning And Terrestrial Gamma Ray Flashes - Massive energy releases occur every day in the upper reaches of Earth's atmosphere. Lightning may give rise to these bursts of radiation. However, unlike the well-known flashes of light and peals of thunder familiar to Earth-dwellers, these energy releases are channeled upward and can be detected only from space. Our atmosphere protects us from the effects of this radiation, but the mechanisms at work can impact Earth's upper atmosphere and its space environment....

Blood Component That Turns Anthrax Bacteria Virulent Identified - Scientists have discovered the key chemical that signals Bacillus anthracis, the bacterium that causes anthrax, to become lethal. This finding opens up new avenues of exploration for the development of treatments for bacterial infections....

Is A Stradivarius Violin Better Than Other Violins? - Some sell for more than $3.5 million. Only 700 of them exist, and they're stored in vaults, frequently stolen and often counterfeited. The object in question? Stradivarius violins, constructed by famed Italian instrument-maker Antonio Stradivari between 1680 and 1720. Treasured for possessing sublime acoustic properties, these rare instruments have spawned dozens of theories attempting to explain their legendary tone, and luthiers, makers of stringed instruments, are still trying to reproduce it. The question remains: Are Stradivarius violins worth all the fuss?...

Isolated Breast Cancer Cells In Sentinel Lymph Node Associated With Non-Sentinel Lymph Node Metastases - Women who are found to have isolated breast cancer cells upon sentinel lymph node biopsy have a risk of having metastases in other lymph nodes....

Snow In The Arctic: An Ingredient In A Surprising Chemical Cocktail - In the Arctic in spring, the snow cover gives off nitrogen oxides. This phenomenon, the extent of which had not been previously realized, is the source of one third of the nitrates present in the Arctic atmosphere, according to researchers. Scientists made a quantitative study of the origin and evolution of nitrogen compounds in the Arctic atmosphere, in order to understand their environmental impact on this region....

Crafting Your Image For Your 1,000 Friends On Facebook Or MySpace - Students are creating idealized versions of themselves on social networking websites -- Facebook and MySpace are the most popular -- and using these sites to explore their emerging identities, psychologists report. Parents often understand very little about this phenomenon, they say....

Forgotten But Not Gone: How The Brain Re-learns - Thanks to our ability to learn and to remember, we can perform tasks that other living things can not even dream of. However, we are only just beginning to get the gist of what really goes on in the brain when it learns or forgets something. What we do know is that changes in the contacts between nerve cells play an important role. But can these structural changes account for that well-known phenomenon that it is much easier to re-learn something that was forgotten than to learn something completely new?...

Widely Used Cancer Drug Associated With Significantly Increased Risk Of Blood Clots - The use of the cancer drug bevacizumab is associated with an increased risk of venous thromboembolism (blood clots in the deep veins of the legs or in the lungs), according to a new article....

Evolution Of The Visual System Is Key To Abstract Art - Famous works of abstract art achieve popularity by using shapes that resonate with the neural mechanisms in the brain linked to visual information, a psychologist has discovered....

Increased Nonfasting Triglyceride Levels Associated With Higher Risk Of Stroke - Elevated nonfasting triglyceride levels, previously associated with an increased risk for heart attack, also appear to be associated with an increased risk for ischemic stroke....

Methanization On The Farm: Integrating Nitrogen Treatment - In Rennes, studies are being conducted to combine livestock liquid manure methanization processes with a biological nitrogen removal process. The expected benefits are measured in terms of energy savings and preservation of river water quality....

Oh, What A Feeling! Regaining Ability To Interpret Emotions After Severe Brain Injury - People who have lost the ability to interpret emotion after a severe brain injury can regain this vital social skill by being re-educated to read body language, facial expressions and voice tone in others, according to a new study....

'Powerhouses' From Living Cells -- Mitochondria -- Power New Explosives Detector - Researchers in Missouri have borrowed the technology that living cells use to produce energy to develop a tiny, self-powered sensor for rapid detection of hidden explosives. The experimental sensor, about the size of a postage stamp, represents the first of its kind to be powered by mitochondria, the microscopic "powerhouses" that provide energy to living cells, the researchers say....

Does Growth Hormone Drug Slow Alzheimer's Disease? - A new study shows that a drug that increases the release of growth hormone failed to slow the rate of progression of Alzheimer's disease in humans....

Burying Greenhouse Gases: New Tool Could Aid Safe Underground Storage Of Carbon Dioxide - To prevent global warming, researchers and policymakers are exploring a variety of options to significantly cut the amount of carbon dioxide that reaches the atmosphere. One possible approach involves capturing greenhouse gases such as carbon dioxide at the source, then injecting them underground. Now engineers have come up with a new software tool to determine how much carbon dioxide can be sequestered safely in geological formations....

Calcium Plus Vitamin D Supplementation Is Not Associated With A Reduced Breast Cancer Risk - Taking calcium and vitamin D supplements does not reduce breast cancer incidence in postmenopausal women, according to data from a randomized, doubled-blind, placebo-controlled trial published in the Journal of the National Cancer Institute....

Identifying Invasive Australian Pine Trees In Florida - Invasive Australian pines that crowd out native plants in Florida present a particular conundrum. In the Sunshine State, it can be very difficult to tell the look-alike Casuarina species and subspecies from one another....

Race Guides Neighborhood Evaluation, Study Says - Race is a powerful determinant of how whites regard a neighborhood, according to a recent study. The investigation indicates that neighborhood evaluations are socially constructed and contribute to ongoing racial segregation....

Complex Systems Science: How Do Math And Intuition Help Us Understand Whole Systems? - The human brain may be the ultimate complex system, but other examples appear everywhere. Take army ants. Despite their name, they have no general, and their queen sends out no instructions. No ant is aiming to get across that gully, and there is no blueprint or traffic light. Yet millions of ants, following the same instinctive rules of individual behavior, can build bridges with their bodies and forage for food along vast efficient highways....

Coastal Erosion On Grand Isle, Louisiana, Occurring Rapidly - Students measuring the loss of sand on the barrier island of Grand Isle, La., are seeing coastal erosion happen before their eyes. On spits of land on the edge of the Gulf of Mexico students are observing rapid land loss in southern Louisiana....

Mercury Tarnishes Louisiana Fish - Researchers are fighting to remove mercury from the environment. Mercury-containing pressure gauges in the natural gas fields, coal-fired power plants and chlorine plants are among the sources of mercury that concern scientists....

Challenges To Environmentally Responsible Energy Use In Today's Society - Our society is rushing to escape the energy culture as we know it, in order to remake it as we don't know it. The irony is that a marginal amount of planning -- continual improvement in mileage standards, closing of the loophole in those standards that exempted light trucks, steady federal investment in renewable energy -- might have alleviated the energy and climate crunch facing us today....

When Good Maples Go Red: Why Leaves Change Color In The Fall - On a hushed autumn morning, when leaves have ripened to the fall, who hasn't stood under a flaming maple and wondered why it goes red?...

From Deep In Lake Ontario, Comes A Natural Coolant - Cold, clean water from Lake Ontario has the potential to act as a natural coolant for buildings 30 miles away in Syracuse, N.Y., while reducing emissions of greenhouse gasses, substantially cutting energy costs, and aiding in the restoration of the long-polluted Onondaga Lake, according to a team of scientists....

Earthworms? Underground Invasion Threatens Forest Sustainability - Earthworms have long been considered a friend to farmers and home gardeners, playing a vital role in soil quality. However, recent studies have shown that glaciated forests in North America --- forests that evolved without native earthworms -- now face the invasion of European earthworms from agriculture and fishing....

Climate Change May Boost Exposures To Harmful Pollutants - A review of studies projecting the impact of climate change on air quality, including effects on morbidity and mortality, indicates that adverse health effects will likely rise with changes in pollutant creation, transport, dispersion, and deposition. However, reducing greenhouse gas emissions could go far in mitigating adverse effects....

How Global Warming Will Affect U.S. Beaches, Coastline - Scientists are finding that sea level rise will have different consequences in different places but that they will be profound on virtually all coastlines. Land in some areas of the Atlantic and Gulf coasts of the United States will simply be underwater. On the West Coast, with its different topography and different climate regimes, problems will likely play out differently. The scientists' most recent conclusions, even when conservative scenarios are involved, suggest that coastal development, popular beaches, vital estuaries, and even California's supply of fresh water could be severely impacted by a combination of natural and human-made forces....

Pavement Sealcoat Linked To Urban Lake Contamination In The Central And Eastern United States - Dust collected from coal-tar sealcoated parking lots in Central and Eastern U.S. cities contains concentrations of  polycyclic aromatic hydrocarbons (PAHs) that are about 1,000 times greater than levels found in Western cities where coal-tar sealcoat is less commonly used, according to a new study....

Iconic Rings And Flares Of Galaxies Created By Violent, Intergalactic Collisions - The bright pinwheels and broad star sweeps iconic of disk galaxies such as the Milky Way might all be the shrapnel from massive, violent collisions with other galaxies and galaxy-size chunks of dark matter. New findings challenge a longstanding theory....

New Cause Of Fatal Brain Injury From Acute Viral Meningitis - What was once thought to be the culprit responsible for fatal brain damage in acute viral meningitis has now been found to be only an accomplice, say researchers at the Scripps Research Institute....