Kamikaze Comets
NASA Marshall Space Flight CenterNinety-two sungrazing comets discovered by the Solar and Heliospheric Observatory appear to have come from the breakup of a single gigantic comet more than 2000 years ago.
Ninety-two sungrazing comets discovered by the Solar and Heliospheric Observatory appear to have come from the breakup of a single gigantic comet more than 2000 years ago.
Historian Howard Zinn's lecture, "Bringing Democracy Alive," in the Vassar College Chapel is the keynote address for Equal Rights Awareness Week 2000 at Vassar.
Narrowing roads to produce more livable communities may not always have the desired effect, thinks a University of Arkansas researcher (Journal of Transportation Engineering).
Robert Serafin, director of the National Center for Atmospheric Research, will step down from that position at the end of April and assumes presidency of the American Meteorological Society in Jan. 2001.
Geraldine Laybourne, CEO of Oxygen Media, will deliver Vassar College's 136th commencement address in the outdoor amphitheater overlooking Sunset Lake.
Just in time for Valentine's Day, an Arkansas researcher offers a no-frills look at the history of lingerie.
Experts on OCD will present the latest research showing a link between "OCD spectrum disorders" and OCD, as part of the 4th International Obsessive Compulsive Disorder Conference, Feb. 10-12.
As Americans' lives have been helped by technology, their cardiovascular health has been harmed, reveals University of Missouri-Columbia researchers who give comprehensive, alarming statistics to support this correlation (Journal of Applied Physiology, 2-00).
The FDA today approved the medicine Lotronex for use in treating those females with irritable bowel syndrome who suffer from IBS-associated abdominal pain and discomfort, and for whom diarrhea is a primary symptom.
The nation's "dot.com" businesses would be wise to reengineer, not just patch, the computer protocols that were vulnerable to attack this week by hackers, says a Carnegie Mellon University computer security expert.
Drought-like conditions could continue in the Ohio Valley right through next summer's growing season, according to a Purdue University climatologist.
In response to the dynamic growth of worldwide drug discovery markets, the Healthcare group at Frost & Sullivan has formed a market research team devoted to investigating the impact and challenges of these technologies.
As many young blacks view the Bible as having little relevance to their lives, a new publication has been designed to strengthen younger generations' understanding of the link between black history and scriptures.
To grow genetically modified grains or not is the question facing farmers who must decide now what varieties to plant in the spring, says Purdue University agricultural economist.
A Midwestern University researcher looks at how the environmental pollutant cadmium causes major organ damage, beginning at the molecular level.
A new gene therapy tested in mice all but eliminated the fatty plaque deposits that can build up in arteries and cause heart attacks and strokes, according to a study in the Feb. issue of Arteriosclerosis, Thrombosis, and Vascular Biology.
A special margarine significantly reduced blood cholesterol levels in children with a genetic risk for early heart disease, according to a study in the Feb. issue of Arteriosclerosis, Thrombosis, and Vascular Biology.
The first use of lasers as a treatment to remove stroke-causing blood clots was reported in a study at the American Stroke Association's 25th International Stroke Conference in New Orleans.
After steady decline in the 1960s and 1970s, the incidence of stroke may be slowly rising, according to a study presented at the American Stroke Association's 25th International Stroke Conference in New Orleans.
In the 2-10-00 Science, Johns Hopkins researchers identify a protein that accumulates toward the front end of a cell and helps cells "sense" their way to a target.
The NEAR mission, a NASA Discovery Program being conducted by the Johns Hopkins Applied Physics Laboratory, will be the first to orbit an asteroid.
When asked if they would support the idea of developing more green space in their communities, people typically embrace the idea, according to a University of Illinois professor of urban and regional planning (Journal of the American Planning Association, recent issue).
NSF announced today the largest budget request in foundation history -- a record $4.57 billion for fiscal 2001.
Purdue University Cooperative Extension has stepped up efforts to give farmers greater access to pertinent information on how to deal with the changing circumstances in agriculture.
In child-adoption laws, a compromise crafted by Illinois to deal with court challenges by biological fathers has contributed to a "legal limbo" where the child loses, a UI law professor says (Arizona Law Review).
The ability of the brain to function following sleep deprivation appears to vary with the task at hand, and in some cases the brain attempts to compensate for the adverse effects caused by lack of sleep, according to a team of researchers (Nature, 2-10-00).
A natural chemical substance the eye calls for when it lacks oxygen is responsible for the blinding blood vessel growth that plagues patients with diabetic retinopathy, report Johns Hopkins and CIBA Vision Corp. researchers (American Journal of Pathology, 2-00).
Flat-screen, high-definition televisions and flat-panel displays could be more affordable with an emerging ORNL technology that could lower the cost of owning and operating these modern marvels.
The net worth of the average American household rose by 15 percent in the last 10 years, but the net worth of households headed by those under the age of 60 declined, while that of households headed by those age 60 and older increased.
Exposures to environmental tobacco smoke may be lower than earlier studies indicated for bartenders, waiters, and waitresses, according to Oak Ridge National Laboratory researchers.
In the midst of an intense pizza war, Pizza Hut and Papa John's are spending millions in marketing to outdo the other, says a Ball State University marketing expert.
On Valentine's Day, the NEAR spacecraft will attempt to become the first space probe to orbit an asteroid, specifically, the asteroid Eros.
A powerful new way to probe the molecular universe using infrared light has been refined by chemists from the University of Wisconsin-Madison (Physical Review Letters, 2-14-00).
How successful will neuraminidase inhibitors, the latest class of drugs to attack the influenza virus, be in bolstering a market historically characterized by underperformance?
Mayo Clinic doctors are experimenting with a colonoscope with a magnifiying zoom lens to look for changes in the cellular pattern of the colon lining that may be the very earliest sign of colon polyps.
Eating cherry pie on Washington's Birthday is a great way to get a strong dose of cancer-fighting phytochemicals, vitamins, and minerals during the winter season, say American Institute for Cancer nutrition experts.
Paramedics are urged to stop using intubation to resuscitate children after finding that a simple artificial respiration method saves the lives of children who have stopped breathing as well as the more risky intubation procedure (JAMA, 2-9-00).
"Encouraging" results with a new treatment for women with metastatic breast cancer, report Mayo Clinic researchers (recent issue of Cancer).
Rheumatoid arthritis patients have not shared in the general improvement in life expectancy over the last four decades, a Mayo Clinic study reports (recent issue of The Journal of Rheumatology).
Older people who receive general anesthesia during hip fracture surgery have better long-term outcomes than those who have spinal anesthesia, according to doctors at the University of Maryland Medical Center (American Journal of Orthopedics, 1-00).
On Feb. 14, 2000, NASA's NEAR spacecraft will go into orbit around 433 Eros for a year-long closeup look at a 21-mile-long space rock.
One of the biggest and brightest optical flares of the current sunspot cycle erupted this weekend.
The detector of an X-ray telescope slated for launch by Japan on Feb. 8 is colder than the chilliest reaches of our universe.
John P. Holdren of Harvard will be honored with the 2000 Tyler Prize for Environmental Achievement for his research and leadership in mobilizing the international community on a wide range of global energy, environmental, and security issues.
Mayo Clinic has created an interactive tool to help those faced with monitoring high blood pressure or hypertension at home -- a new interactive tracker available on Mayo Clinic Health Oasis at www.mayohealth.org.
Sexuality is a common undercurrent that shapes a host of social phenomena such as white flight to the suburbs and ethnic and nationalist conflicts around the world, says a University of Kansas professor of sociology who is writing a book on "forbidden frontiers."
As pundits argue for the free speech rights of Atlanta Braves relief pitcher John Rocker, a clear cut employment issue is being lost like a ball in high grass, according to a University of Alabama at Birmingham labor expert.
Top 10 healthy ways to show your pets the affection they deserve this Valentine's Day and every other day are offered by a team of animal experts and alumni from Washington State University's College of Veterinary Medicine.
University of Illinois researchers are saying that responses of brain cells to single isolated tones don't predict how sounds in the real world are processed (Journal of Neurophysiology, 1-00).