Through the Looking Glass: NASA's Hubble Space Telescope has discovered exotic rings, arcs and crosses that are optical mirages produced by gigantic gravitational lenses in deep space.
Scientists have known for years that to perceive figures against a busy background, human vision ues color, brightness and direction of motion. But startling new findings by a Vanderbilt researcher indicate that the human brain can also use the precise timing of subtle visual changes to group elemnents into objects -- like when some band members on a football field suddently turn and march in a different direction than the rest, spelling out a school's letters.
Purdue flower researcher Natalia Dudareva is on the scent of a mysterious disappearance. She is one of the few scientists in the world who is working to find out why flowers have less scent than they used to.
Media briefings will be on: treatment advances for insomnia, Nefazodone for chronic depression, treating ADHD, mental illness research, the relationship between depression & other medical illnesses, schizophrenia treatment.
Imagine walking through an assembly plant that hasn't been built and moving equipment that weighs several tons just by pointing and dragging your mouse. It's now possible with new, virtual-factory software that has been developed by University at Buffalo engineers.
Powerful plants have changed the world - Biologists conducting Space Shuttle experiments may be one step closer to shedding light on the biggest power booster on the planet: a protein in green plants called Photosystem I.
A new study at Ohio State has found that mild psychological stress can temporarily increase blood levels of a chemical associated with the development of heart disease.
A mechanism the immune system uses to detect and eliminate dysfunctional T cells has been identified by Dana-Farber Cancer Institute and Harvard Medical School researcher reported in the May 14 Science. The study clarifies a long-standing puzzle about the development of systemic autoimmune diseases.
Combining two common medications can significantly reduce the risk of death for patients with mild heart failure, according to a National Institutes of Health study presented at the North American Society of Pacing and Electrophysiology meeting.
Sightings - New software from NASA, called "J-Pass," can tell you when and where to spot satellites passing overhead - from your own backyard.
Electrophysiology studies can help predict who is at risk for a heart rhythm disorder, the single most common cause of death in the U.S., and can guide treatment, according to a study presented at the North American Society of Pacing and Electrophysiology meeting.
Contrast-enhanced Helical Computed Tomography (CT), a new technology, is 99% accurate in diagnosing injuries to the aorta in trauma patients. Helical CT is fast, accurate, less expensive and easier for the patient, a researecher at Massachusetts General Hospital and Harvard Medical School in Boston reported at the 99th Annual Meeting of the American Roentgen Ray Society in New Orleans.
Bone marrow-derived cells give rise to fully functional liver cells, states a University of Pittsburgh study published May 14 in Science, yielding the first report that bone marrow-derived cells provide a lineage for cells of solid organs.
In a pair of studies that promise to rewrite scientists' understanding of genetic "tripwires" that kill cells before they become fully cancerous, researchers at Dana-Farber Cancer Institute have found that the same system that protects against cancer can, in some circumstances, actually promote cells on the road toward malignancy.
A pioneering view of the internal structure of RNA has been captured by an interdisciplinary team of scientists at Johns Hopkins.
Contrary to popular practice, giving pseudoephedrine to children prior to air travel does nothing to reduce ear pain associated with landing and take-off, according to a new study. The popular decongestant commonly sold under the name Sudafed does make children sleepy, researchers found.
One out of 10 employed adult asthmatics may suffer asthma attacks because of some trigger in their occupational environment, according to a new study reported today in the May issue of CHEST.
Lung cancer patients under 50 had more advanced disease when diagnosed, but overall survival rates for younger persons were similar to those of older individuals, suggesting the disease is not inherently more aggressive among younger men and women, according to a study published in the May issue of CHEST.
Replacing a worn-out battery in an implantable defibrillator is a good investment and may still save a life, even if the device has never fired, according to a report at the Sessions of the North American Society of Pacing and Electrophysiology.
Many people who are told they have epilepsy may be misdiagnosed may have a treatable cardiovascular condition that is causing their seizures, according to research presented the North American Society of Pacing and Electrophysiology annual meeting.
A research team from Bell Labs will demonstrate the world's first 10-gigabit-per-second (Gb/s) Ethernet multiplexer at the Networld+Interop show here this week.
Researchers from Bell Labs have demonstrated 10-Gigabit-per-second (Gb/s) serial data transmission over multimode fiber for local area networks (LANs), Lucent Technologies announced at Networld+Interop. The demonstration represents an innovative, cost-effective blueprint for practical next-generation multimode systems.
Babies fed infant formula are more likely to need doctor visits and prescription drugs than babies who are breastfed, according to a study by The University of Arizona Department of Pediatrics.
When a U.S. fighter pilot is flying over enemy territory, he must deal with the issue of whether or not his stealth fighter can be detected by radar. Now, researchers at Pacific Northwest National Laboratory have developed a hand-held, holographic camera that can assist ground crews in verifying the condition of an aircraft's stealth characteristics.
The co-directors of the UNC Center for Functional Gastrointestinal and Motility Disorders are senior authors of three scientific reports on Irritable Bowel Syndrome (IBS), slated for presentation at this year's American Gastroenterology Society Digestive Diseases Week meetings, May 16-19 in Orlando, Fla
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.
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