Experimental forest plots bathed in atmospheric carbon dioxide at levels expected by the year 2050 experienced a 25 percent growth increase during the first two years of a continuing project, University of Illinois and Duke University scientists report in the May 14 issue of the journal Science.
Rice University researchers recently conducted the first detailed biological study showing what happens to carbon fullerenes in mice, proving that fullerenes with radioactive metals inside can be cleared from the body and that they are attracted to bone.
Researchers at UT Southwestern Medical Center at Dallas have developed a method to turn off a gene for telomerase, which activates the continuous division of cancer cells. This finding could aid in the creation of new cancer drugs.
More and more Americans favor dental implants as an option for replacing missing teeth, according to an American Dental Association (ADA) survey, revealing a near tripling of implant procedures over a 10-year period.
Bioengineers at the University of Pennsylvania have designed an artificial capsule that imitates many of the qualities of natural cells, with has wide-ranging applications.
Inspired by roller coaster cars, two Johns Hopkins undergrads have designed and tested a restraining bar to protect children in school bus crashes.
Approximately six out of 10 dentists urge their patients to stop smoking or using smokeless tobacco, according to the American Dental Association's (ADA) recently released 1997 Survey of Current Issues in Dentistry: Tobacco Use Cessation.
Women with atrial fibrillation are more likely to be disabled by symptoms of the condition, including palpitations and fatigue, than are men with the same disorder, according to research presented at the North American Society of Pacing and Electrophysiology meeting.
A special radiological nuclear medicine scan has shown great potential for detecting certain breast cancers that are difficult to detect through standard mammography, researchers at St. Vincent's and St. Anne's Hospitals, Dublin, Ireland, reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
Some physicians need to be better educated about the relative risks and usefulness of various tests that are used to diagnose the potentially life-threatening pulmonary embolism--a blood clot in the lung, researchers at Madigan Army Medical Center, Tacoma, WA, reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
PET (positron emission tomography) imaging can accurately stage early non-small cell lung cancer and demonstrate microscopic metastases (spread) that CT (computed tomography) may miss, Duke University Medical Center researchers reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
Five-year study on natural hazards, such as tornadoes, in U.S. to be released at National Press Club in Washington, DC, 10:00 a.m., Wednesday, May 19, 1999.
Researchers at the Framingham Offspring Study report that the federal government's requirement that bread and other grain food products be supplemented with the vitamin folate.
A study shows that only 50 percent of Virginia's mountain streams support trout, down from an estimated 82 percent before the mid-1800s. Unless acidic emissions are reduced dramatically, only about 42 percent will support trout before the midpoint of the 21st Century. Similar decline is expected throughout the Southern Appalachians.
In a study of the U.S. and Canadian labor markets, a Stanford Business School economist argues that education--with a focus on supplying better-educated labor--is the key to undoing income inequality.
Radiologists, using a new technique called Ultra Fast Magnetic Resonance Imaging (MRI), can diagnose a stroke in six minutes, dramatically increasing the chances of survival, researchers at Case Western Reserve University and University Hospitals, Cleveland reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
People who have migraine headaches accompanied by sensations of lights, voices or numbness, commonly known as auras, may have an increased stroke risk, according to a study in the May issue of Neurology.
According to a study published in the May issue of Neurology, a diet high in monounsaturated fatty acids protects against a decline in memory performance and cognitive processing functions often associated with aging.
The long-term, worldwide trend of increasing breast cancer mortality rates apparently has been reversed in several countries, with significant declines reported in the United States, the United Kingdom and Canada in the 1990s. These are the findings of a study conducted at Roswell Park Cancer Institute and published in the May/June 1999 issue of CA -- A Cancer Journal for Physicians.
A new survey by the Pharmaceutical Research and Manufacturers of America (PhRMA) found that 354 new medicines are now in the pipeline to fight cancer. All of the medicines are either in human clinical trials or awaiting approval by the Food and Drug Administration.
Dazzled by sparks flying in space during "Star Wars: Episode One - The Phantom Menace''? Don't buy it. In space, no one can see you burn. At least, not traditionally burn - flames spiking, sparks flaring -- says Indrek Wichman. The Michigan State University mechanical engineering professor is working with a NASA grant to understand how flames behave in zero gravity.
In describing husbands and wives of conservative, evangelical families, labels such as 'helpmate' and 'breadwinner' have been used. They're not necessarily correct, says a sociologist who researches gender issues.
The majority of today's companies are using knowledge management programs and almost all say they will increase these efforts over the next five years, according to a new study by The Conference Board.
In 25 years, the Endangered Species Act has spawned numerous recovery plans, but there still the question of how well the listed species are recovering. Now a University of Washington zoologist is spearheading a comprehensive scientific review of 200 recovery plans, which could lead to an appraisal of how well the plans work.
Magnetic Resonance Imaging (MRI) has been shown to be effective in detecting and staging invasive lobular breast cancer, a form of breast cancer that historically has been difficult to diagnose accurately by mammography or ultrasound, researchers at University of Pennsylvania, Philadelphia, reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
Upgrading the "search-and-destroy" treatment that removes the abnormal heart tissue responsible for irregular heart rhythms may permit more individuals to benefit from the procedure, according to a new study in today's Circulation.
An enduring nuptial gift is included in every sperm package from a male rattlebox moth (Utetheisa ornatrix) to his freshly mated female: a potent, plant-derived chemical that protects her for life against predatory spiders, biologists at Cornell University have discovered.
Researchers at the University of Pennsylvania Medical Center have created the largest protein from scratch, with both a stable and predictable shape. Applications include manufacturing entirely new polymers for industrial catalysts and creating new pharmaceuticals.
University of Illinois scientists have come up with a way to improve the properties of T-cell receptors -- and potentially other proteins, they report in the May 11 issue of the Proceedings of the National Academy of Sciences. Their success opens the door to manipulating a virtually untapped portion of the immune system to fight a variety of autoimmune and viral diseases.
A paper published in the May 8 issue of Lancet confirms that the number of deaths due to coronary heart disease, the cause of heart attacks, has declined. According to the report, the major contributor to the decline among the populations studied is a reduction in the number of heart attacks.
U.S. institutional investments dominate those for all other countries, giving the corporate governance activism in the U.S. great potential influence over global investments, The Conference Board reports today in its Institutional Investment Report.
A Georgia State University's rsearcher has found that the brains of Alzheimer's patients reorganize memory tasks to compensate for AD-related loss of function.
NSF supports two complementary projects with the goal of understanding how tornadoes form and "decay," and the damage that might be expected from them.
In a survey of more than 1,000 online consumers with an interest in health-related topics, 54% reported that within the last six months they have visited a Web site operated by a pharmaceutical firm for the purpose of learning more about a specific prescription drug.
A new study finds that women's attitudes toward abortion and toward media depictions of abortion are far more complex than previously thought. Social class, for example, both links and divides women's views on the controversial issue, and television representations of abortion are well received by some groups of women, strongly resented by others.
Environmental law, once so straightforward in its aims and assumptions, has fragmented into five ideological camps that see issues of land use and endangered species in starkly different terms, a University of Illinois legal scholar argues.
Studies in the hundreds have proven what many attest from personal experience: Exercise can make a person feel good, reduce stress, enhance a sense of well-being.
Having grass and trees that are easily visible and readily accessible helps to grow social ties and a sense of community among residents in low-income, inner-city housing, University of Illinois researchers say.
A combination of radiation and chemotherapy lengthens the life of esophageal cancer patients - and, for some, may add many years of life, according to a new, long-term study reported by a NYU Medical Center researcher and colleagues from many other institutions.
Two UC Irvine researchers have identified significant differences in child and adult homicides, as well as age-related risk factors, that could lead to more effective prevention of child abuse and child homicide.
Women who eat fish from Lake Ontario have significantly higher levels of PCBs and pesticides in their breast milk than women who do not eat Lake Ontario fish, results of a University at Buffalo study of lactating women in the New York State Angler Cohort has shown.
Two Old Dominion University economics professors have price adjusted real per capita income to compare the relative standard of living - or buying power - among 212 United States metropolitan areas for 1996. They have also estimated real per capita income for the United States.
Texas Tech wind researchers traveled to the Oklahoma City area to survey damage and find additional ways to save lives. In Del City, Okla., they located an in-residence shelter that survived the storm and withstood the devastating winds of Monday's deadly tornado.
In the search for less hazardous manufacturing solvents, researchers report a new process to separate problematic chemicals from ionic liquids.
The balloon procedure routinely used to unblock clogged arteries in the heart to prevent heart attacks shows promise for opening narrowed blood vessels in the brain that can lead to stroke, researchers report today in Stroke.
Extensive fatty deposits in the carotid arteries, the blood vessels in the neck that supply blood and oxygen to the brain, may be a marker for coronary artery disease, according to a study in this month's Stroke.
Researchers have used biochemical markers for the first time to locate the brain injury that is associated with loss of movement in individuals who have had a stroke. The study is reported in this month's Stroke.
The number and proportion of women and minorities enrolled and earning undergraduate and graduate science and engineering [S&E] degrees continues to increase, while the number of white men doing so is decreasing, according to a National Science Foundation report.
Owning a pet may reduce the likelihood that men with AIDS will suffer from depression, according to a study by researchers at the UCLA School of Public Health.
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