Brightsurf Science News & Current Events

December 04, 1997
UNC Scientists Find Key Mechanism By Which Cancer Cells Avoid Suicide
A natural, normally beneficial protein called NF-kappa B teams up with a cancer gene to prevent cells in the body from killing themselves as they are supposed to after turning cancerous, researchers have discovered.

Harvard Medical School Researchers Map Prevalence Of Gambling Disorders In North America
A Harvard Medical School Division on Addictions study has found that the prevalence of gambling disorders among adults in the United States and Canada has increased during the past two decades.

Knee Replacement Patients Who Have Dental Work Susceptible To Infection Years After Surgery
People who have total knee replacements and later undergo extensive dental work may be susceptible to knee infections years after their initial surgery, according to a study by Johns Hopkins physicians.

Dendritic Cell Therapy For The Treatment Of Cancer
Dendritic cells help the body to switch on an immune response by seeking out foreign proteins and showing them to immune cells.

New Book Dissects Mathematical Puzzles And Their History
A new book by Purdue University Professor Greg Frederickson may reshape the way you think about mathematical puzzles.

Imaging Reveals Whether Breast Cancer Treatment Is Working
Using positron emission tomography (PET), researchers have discovered a way to quickly tell if women with advanced breast cancer will likely respond to hormone therapy.

School Teachers To Train In Energy Labs
The National Science Foundation (NSF) and the Department of Energy (DoE) have joined forces in an unprecedented program to make accessible DoE's extensive complex of 15 national labs and science facilities to train K-12 math and science teachers.

Artificial Viruses Key To Corneal Transplant Gene Therapy
Corneal grafts restore sight to around 60,000 people worldwide each year, but approximately a quarter fail within 4 years.

'Communication Overload' May Be Real For Some People, Study Shows
While e-mail, voice mail, faxes, Web browsers and other electronic communication tools have made it easier to transmit and receive information, some users of these technologies report that life in the information fast lane is running them down.

Sugar-Free Organs For Transplant
Organ transplantation has become highly successful over the last few years leading to a problem - a lack of organs.

Science Board Calls For Systematic R&D Priority-Setting
The National Science Board (NSB), concerned about the future state of scientific research in the U.S., is calling for further study on how to set priorities.

New Method Simulates Sonic Boom Ocean Penetration
Penn State engineers have developed new methods for simulating sonic boom penetration into the ocean and estimating how loud a noise the boom makes underwater where it could potentially annoy whales, fish and other marine life.

Banning Chemicals To Protect Ozone May Aggravate Global Warming
Some of the chemicals being phased out to protect the ozone layer offer offsetting benefits, such as reducing global warming, a University of Illinois researcher says.

Pathfinder Photos Show Role Of Water On Mars
After studying more than 9,500 images taken during the acclaimed Mars Pathfinder mission, scientists report in Science (Dec.

Martian Meteorite Contains No Biological Life
The famous Martian meteorite, ALH84001, contains no biological life forms, according to a Case Western Reserve University researcher and colleagues.

Max-Planck Scientists Use Polymers To Structure Inorganic Ceramic-Type Materials On The Mesoscopic Scale
Max-Planck scientists report in the 5th December issue of Science about polymers as templates to structure ceramic-type inorganic structures formed through self-assembly are used as structure-directing agents.

Energy Flow In Molecules Can Affect Reaction Rates, Chemists Say
The transfer of vibrational energy within a molecule -- long thought to occur nearly instantaneously -- can actually take place so slowly that overall reaction rates are affected, researchers at the University of Illinois say.

Student Evaluations Don't Get A Passing Grade: Easy-Grading Professor Get Too-High Marks, New UW Study Shows
As millions of college students are about to rate the teaching of their professors, researchers say such evaluations are flawed and often misused.

A Christmas Present For The 21st Century - USMP-4 On Shuttle Ends Near-Perfect Flight
The last of the U.S. Microgravity Payload (USMP-4) missions comes home Friday with a full haul of science and samples that will help scientists direct investigations for the era of International Space Station.

Court Rulings Threaten Fourth Amendment Protection, Study Finds
Americans' right to privacy and protection from unlawful searches is slowly being eroded as the U.S.

Delivering The Vaccines Of The Future
Research by a Swiss team is highlighting the importance of inflammation in the development of an effective immune response.

First Results From The APXS-Analyses On Pathfinder: Mars More Earth-Like Than Previously Assumed
A German-American research group present in this week's Science magazine first results from the Alpha Proton X-ray Spectrometer (APXS) on Pathfinder.
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