Most of the asteroid that blasted Meteor Crater out of the Colorado Plateau melted, according to new evidence released today by an international team of scientists. This new finding contradicts a previously held theory that the Canyon Diablo meteor vaporized.
1- Glass fibers lead to scintillating discovery; 2- Building a green thumb for research; 3- Crush and color car part; 4- Researchers provide "shock" treatment.
Researchers at Lucent Technologies' Bell Labs have developed the most sensitive technology yet for pinpointing the location of wireless 911 emergency calls. The approach is accurate within 15 feet when users are outdoors and 100 feet when they are indoors.
Sometimes the data don't tell you what you want to know, like the meaning behind the causes of infant death that are reported on official death records. And that was what a Washington State University Vancouver researcher wanted to understand.
Increased activism and advocacy has emerged at the local level to deal with the health concerns of 44 million uninsured people, according to a recent survey.
Attending religious services more than once a week raises the possibility of extending life at least that much, and adds a remarkable potential 14 more years to the lifespan of African Americans, according to a recent study in "Demography."
1. DNA Catapult Springs Recombination Reaction Forward 2. Possible Driver for Breast Cancer Metastasis Discovered 3. Less is More in Short-term Memory Triage.
The vast majority of today's employers have benefited economically and employees have increased their skills through workplace education programs, according to a report released by The Conference Board and The Conference Board of Canada.
The Agency for Health Care Policy and Research released a new chartbook presenting characteristics of nursing home facilities, special care units, and their residents.
Engineers at Purdue University have developed a method to make smaller, faster computer chips by stacking electronic devices, such as transistors 50 times smaller than a human blood cell, in a virtually unlimited number of layers, as opposed to conventional single-layer designs.
The Conference Board's Consumer Confidence Index rose again in June, scoring its eighth consecutive monthly gain.
Driven by robust consumer spending, the U.S. economy will grow even more strongly this year and into 2000 than previously projected, according to a Conference Board analysis.
Where you live plays a big role in how many and which medicines you take. Some states have consistently lower or higher prescription use, certain therapy classes have greater variability and individual states have unique patterns of high and low use.
Coronary bypass patients who viewed videotapes showing what they could expect in the first few months following bypass surgery are more likely to follow the diet, exercise, and lifestyle guidelines recommended for satisfactory recovery.
Researchers at Wake Forest University Baptist Medical Center are the first in the world to report the successful use of magnetic resonance imaging (MRI) to diagnose significant blockages in blood vessels leading to the heart.
Researchers at the University of Michigan and the University of Freiberg in Germany have demonstrated that blocking a substance the body normally produces to help fight bacteria shows great promise in animal studies as a potential treatment for sepsis.
As drought conditions persist in many parts of the country, particularly the Mid-Atlantic region, reporting on the links between rainfall, streamflow and weather just got easier thanks to the new online availability of daily streamflow information from the U.S. Geological Survey that is plotted on a national map and updated daily.
The amount of atmospheric nitrogen polluting North Carolina waters and other parts of the North Atlantic Ocean Basin has increased significantly over the past three decades, and parallels increasing harmful algal bloom activity according to a North Carolina Sea Grant study released in the June issue of the peer-reviewed journal Ambio.
Researchers at The Johns Hopkins University have worked with companies and community colleges across the country to help teach current and future workers the skills they will need and to document knowledge and skill in a "career transcript" that will follow the student throughout his or her working life.
The makers of Cylert (pemoline) cautioned that this product "should not ordinarily be considered as first line drug therapy for ADHD."
America's growing use of depression-treating drugs like Prozac, Zoloft and Paxil made antidepressants the biggest contributors to a record-setting pharmacy benefit cost increase of 16.8 percent last year, according to a study by the country's largest independent pharmacy benefit manager, Express Scripts, Inc.
Scientists at UT Southwestern Medical Center at Dallas have found, in mice, that a hormone is involved in the regulation of testicular descent.
A drug that inactivates a protein in the body that worsens congestive heart failure could eventually lead to a new approach to treating this devastating disease. A preliminary clinical study involving the drug, called etanercept, is reported in today's issue of Circulation.
UNC Wilmington aquaculturist makes breakthrough in producing flounder for large-scale saltwater fish farming. In a controlled environment, southern flounder were spawned naturally, with no hormone induction.
For years, physicians have avoided red meat when designing heart-healthy diets for their patients. Turns out that's a bum steer, according to a study published in the June 28 issue of the Archives of Internal Medicine.
New findings published in Nature Medicine on Thursday 1 July overturn the current views on migraine-like headaches. The new research shows for the first time that these "cluster" headaches are associated with abnormalities in brain structure.
Women with common urinary tract infections can safely get the same diagnosis and prescription over the phone, leading to identical relief with far less hassle and cost, a new study finds.
An adult deer measuring just 20 inches at the shoulder and weighing no more than 25 pounds has been confirmed through DNA testing as a new species, making it the world's smallest deer, according to a recent study led by the Bronx Zoo-based Wildlife Conservation Society (WCS).
At a ceremony in Hawaii today, astronomers revealed some of the sharpest infrared images ever obtained by a ground-based telescope.
1. Age and Mobility in Blacks and Whites, 2. Early Eye-Brain Connection Essential, 3. Traveling and Influenza, 4. Advance in Crohn's Treatment, 5. Insuring Your Health Abroad, 6. Safe Solid Food for Bone Marrow Transplant Patients, 7. Training Clinical Researchers
A group of engineers at The University of Arizona in Tucson now is working to increase the understanding of important microchip connections.
"We are trying to imitate biological systems," says Professor Kumar Ramohalli pointing to a 12-inch-long box supported by what look like legs at the front and legs on wheels at the back. He hopes to send BiRoDs (pronounced BYE RODS) to Mars and other distant points.
New data suggest that the object described last year as probably the first extrasolar planet to be imaged is more likely just a run-of-the-mill star.
A handful of complicated, high-risk gastrointestinal surgeries are safer and easier on patients -- and pocketbooks -- when performed at medical centers that do the most of them, according to results of a Johns Hopkins study published in the July 1999 issue of the Journal of the American College of Surgeons.
An ingenious new technique for viewing the previously hidden side of the Sun could improve space weather forecasting.
A mutation in a newly discovered human gene causes an unusual form of hereditary dementia characterized by amyloid deposits in the brain. The new study by NYU School of Medicine scientists may help lead to a better understanding of Alzheimer's and other dementias.
Now researchers at the UCSD Cancer Center have discovered a fundamental basis for drug resistance, which they report in the June 24 issue of the journal NATURE. The team discovered a signaling pathway that is activated by the chemotherapy drug cisplatin. Drug resistance occurs when this pathway is defective.
Johns Hopkins engineers are developing tiny bubble-powered micro-pumps, smaller than a postage stamp, for use in drug delivery, pharmaceutical testing, pollution monitoring and other applications.
An international team of atmospheric chemists has produced the first gridded global inventory of reactive chlorine emissions to the atmosphere. These compounds contribute to the destruction of stratospheric ozone.
A new technology assessment by AHCPR says research is needed to determine the long-term outcomes of cryosurgery in men who undergo the procedure because radiation therapy was not effective in treating their prostate cancer.
In an advance that promises to speed development of new drugs for cystic fibrosis, Johns Hopkins biochemists have discovered what goes awry inside the cells of CF patients at the most basic level.
The first images from one of the largest, most advanced optical/infrared telescopes in the world will be released at its dedication on June 25.
Several clinical studies have documented the effectiveness of using ice and compression after knee surgery, which decreases narcotic consumption, hospitalization, pain, swelling, inflammation, hematoma formation and drainage while it increases range of motion, compliance, and weight-bearing tolerance of the patient.
Three physicians at the University of Texas M. D. Anderson Cancer Center are major architects of new prostate cancer detection and treatment guidelines released today by the National Comprehensive Cancer Network and the American Cancer Society.
If chloroplasts are the power plants in which photosynthesis works its magic, then scientists at Michigan State University have opened the door to one of the engine rooms by isolating a gene they reported in this week's "Science."
The mainstay of the semiconductor revolution -- silicon-based transistor technology -- may not run out of steam for roughly a dozen years, instead of the previous estimate of fewer than six years.
Looking deep within the genes of three very different kinds of animals, scientists have found enough molecular evidence to finally fell the animal kingdom's old family tree.
Many urban Kansans arrange their vacations around the wheat harvest so that they can help on a family's or friend's farm. A handful of University of Kansas faculty and staff members with roots entrenched in farming return to homesteads each summer to help in the fields.
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