Brightsurf Science News & Current Events

November 06, 2001
Clues to development of eye's light-sensitive cells found
Scientists from the University of Michigan are reporting important new insights into the development and differentiation of rod and cone photoreceptors, the light-sensitive cells in the eye's retina that initiate vision and are essential for clear sight.

Cool chemistry: Researchers create potent new cooling agent, odorless and tasteless
The ultimate in cool could soon be coming to a grocery store near you: German researchers have developed a compound they say has 35 times the cooling power of mint, the natural coolant most widely used in food and other consumer products today.

Crater makes an impact on three sessions at GSA
What happens when a rock from space that's more than a mile wide slams into the Earth at supersonic speed?

Answers to Florida bay restoration are clear as mud!
Recent evidence recovered from the muddy bottom of Florida Bay by a team of USGS scientists indicates that some of the changes in Florida Bay's ecosystem are natural and some are not.

Art & science from Israel on view in the US
The San Jose Museum of Art, in collaboration with the American Committee for the Weizmann Institute of Science (ACWIS), is presenting noted artist Catherine Wagner's photography exhibition featuring over 30 large-scale, black-and-white photographs.

Prostate cancer treatment comparison: seed implantation shows more side effects than external radiation
Treating prostate cancer with implanted radioactive

Mayo Clinic study finds prophylactic mastectomy reduces breast cancer risk in highest-risk group of women -- carriers of BRCA1 and BRCA2 mutations
A Mayo Clinic study shows that prophylactic removal of both breasts reduces the risk of a subsequent breast cancer by 89.5 percent to 100 percent in women known to be carriers of mutations in the BRCA1 and BRCA2 susceptibility genes.

Research shows compound reduces length of painful sickle cell 'crises'
Using a novel compound known as Purified Poloxamer 188 (PP188), U.S. physicians have found a way to shorten the often-excruciating, sometimes days-long painful episodes known as

Alternative to hormone replacement therapy shows promising results
A study conducted in monkeys has found new evidence that tibolone, a steroid commonly prescribed in Europe as an alternative to hormone replacement therapy, is a promising treatment for osteoporosis and has no adverse artery effects, report scientists from Wake Forest University Baptist Medical Center in this month's Journal of Clinical Endocrinology and Metabolism.

Physical activity and high quality of life go together in older women
The more physically active a woman over 60 is, the higher the overall quality of her life, a new study reveals.

Nutrition education can lower a woman's risk of heart disease before menopause
Targeted education can lower a premenopausal woman's fat intake, thus lowering her risk of heart attack and other forms of cardiovascular disease (CVD), a new study indicates.

Geologists develop new database using GIS for study of evolution of continents
A new database system within a GIS allows scientists to look at and interpret data over a large area in new ways and in a variety of ways at once.

eBay auctions: 4 clues to what you'll pay
Researchers studying eBay data for the last three years have identified four trends that explain why auction buyers pay more or less for the same item, according to a paper being delivered at the annual convention of the Institute for Operations Research and the Management Sciences (INFORMSĀ®) at the Fontainebleau Hilton Resort.

DFG to support twelve new Clinical Research Units
Implementation of DFG memorandum on clinical research in Germany - submission of applications possible at any time in future

Scientists produce first detailed image of the inside of a sunspot
A new study is shedding light on one of the great mysteries of astrophysics - the origin of sunspots.

Innovative technology
As part of the International Meeting for Autism Research (IMFAR), being held on Nov.

Water panel starts 'conversation' between religion and science
A panel at the Geological Society of America meeting in Boston will confront the problem of global water usage with an unusual blend of expertises.

University of Cincinnati geologist finds survival benefit to evolving after mass extinctions
University of Cincinnati geologist Arnold Miller has found that groups of organisms which first appeared after mass extinction events are more likely to survive for a long time in the geologic record.

T cell molecules may play a role in ischemia
Ischemia, or an interruption in blood flow to tissue, greatly decreases the success of transplanted kidneys.

Fred Hutchinson Cancer Research Center, University of Washington join in national effort to study health impact of toxic substances
The Fred Hutchinson Cancer Research Center, in collaboration with the University of Washington, has been selected to participate in a federally funded, $37 million research consortium to study how individual genetic makeup affects one's response to various environmental agents.

Computers with human-like vision could strengthen security and surveillance, UCLA researchers say
Military surveillance techniques and home, office security systems could be strengthened if computers had human-like ability to see and interact with their physical environments.

Chemical pollution and human sewage could be killing corals
You can forget global warming as the sole culprit. A combination of human sewage and shipyard discharge may be responsible for the development and spread of deadly black band disease in corals, researchers at the University of Illinois say.

Scallop shells hold clues to changes in Antarctic climate
Collecting pretty seashells is more than a vacation pastime for scientists from the University of Michigan and Ohio State University, whose analyses of scallop shells are filling gaps in Antarctica's temperature record for the last century.

African bone tool discovery has important implications for evolution of human behavior
An emerging set of archaeological evidence may answer a key question in the human origins debate by providing proof that not only did early Homo sapiens come

Researchers zero in on date of early hominids
Researchers using techniques of magnetostratigraphy have determined that a rock formation in Israel called Erk-el-Ahmar is between 1.7 million and 2.0 million years old, making the hominid tools and artifacts discovere dthere perhaps the oldest in the world outside of Africa.

Where do spoken words come from?
Core operations in normal speech production are the accessing of words in memory that appropriately express the intended message, and the preparation of each word retrieved for articulation.

Weight, worry and wallet predict functional limitations in middle-age women
Obese middle-age women are nearly twice as likely to have substantial physical limitations than women of average weight, according to a new study.

Book helps kids sleep with science and song
A new children's book and music CD by Cornell University sleep expert, James B.

Horse breath testing to benefit racing
Two new studies into horses' health could be of major importance to the economic health of the racing industry.

Blood drug may decrease painful crises in children with sickle cell disease, study shows
Researchers at Johns Hopkins Children's Center and 20 other hospitals report that a novel drug appears to make blood cells slip around each other and more easily through blood vessels, shortening the duration of painful crises experienced by children with sickle cell disease. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to