Brightsurf Science News & Current Events

August 07, 2002
Northwestern is testing experimental therapies for Crohn's disease
Researchers at the Inflammatory Bowel Disease Center at Northwestern University are conducting clinical trials of several innovative approaches to the treatment of Crohn's disease, including experimental drugs and a new swallowable video camera that produces high-quality images of the small intestine.

Peptide suppresses multiple sclerosis-like disease
A peptide that blocks interactions between cells critical to the immune response can inhibit and suppress a disease used for the study of multiple sclerosis in humans.

Complex physical learning may compensate for prenatal alcohol exposure, study shows
Complex physical learning may help children overcome some mental disabilities that result from prenatal alcohol consumption by their mothers, say researchers whose experiments led to increased wiring in the brains of young rats.

Discovery sheds light on how breast cancer cells progress to more aggressive forms
Despite recent advances in breast cancer treatment that have led to long-term survival for millions of women, most tumors eventually stop responding to standard therapies.

Discovery may lead to new HIV drugs, says Jefferson virologist
When scientists at London's King's College and their colleagues elsewhere uncovered the identity of a gene that prevents HIV from reproducing, but which is itself blocked by an HIV protein, they took a huge step in solving one of the great puzzles of the virus' biology.

World's largest scientific society to honor DuPont scientists for 2 breakthrough discoveries
The world's largest scientific society (American Chemical Society) will honor 5 DuPont scientists as their 2002

Strict interpretation of drug-sentencing law impedes war on drugs
An overly strict interpretation for sentencing drug traffickers who at first lie to police threatens to undercut the fairness of America's war on drugs, the author of a just-published article in the University of Illinois Law Review argues.

Activism may help those with AIDS cope better with illness
The world AIDS conference last month offered a large dose of grim news about the disease and its precursor, HIV.

Toxin injections prove useful for spasticity after stroke
A Study published in the Aug. 8 issue of the New England Journal of Medicine indicates that botulinum toxin type A, also known as Botox®, reduces disability caused by spasticity of the wrist and finger muscles in patients who have had a stroke.

Jet contrails alter average daily temperature range
For three days after September 11, the Federal Aviation Administration grounded commercial aircraft in the U.S., stranding travelers, hindering mail delivery and interrupting courier service, but for scientists at Penn State and the University of Wisconsin-Whitewater, the three-day shutdown provided a rare glimpse of the climate effects of jet contrails.

Cities: the new ecological frontier
From an ecological perspective, cities are stressed out. Urban trees struggle to stay alive, contending with concrete-encrusted roots and the pounding of automobile traffic.

Study adds to knowledge of what it takes to stand up, walk
A study by Penn State College of Medicine researchers provides new data on blood vessel function and reveals the benefits of a measurement technique that gives more accurate data on the amount of norepinephrine - a hormone vital for blood vessel response - in tissues adjacent to blood vessels.

A portrait of one hundred thousand and one galaxies
Wide-field images centred on the nearby spiral galaxy NGC 300, obtained with the Wide-Field Imager (WFI) on the MPG/ESO 2.2-m telescope at the La Silla Observatory, were combined into a magnificent colour photo.

U of C researcher tracks path of flying snake
Snakes crawl, slither, swim, burrow and climb. But fly? They do in Southeast Asia.

ANTs make Marine fighter air scheduling a picnic
A highly decorated Marine Air Group has just begun streamlining planning and reducing operational risk with a new software system developed by the University of Southern California and Vanderbilt University.

Medicated ecosystems: Human drugs alter key aquatic organism
Antibiotics may be adversely affecting zooplankton, tiny organisms that underpin the health of all freshwater ecosystems, says new research from the University of Wisconsin-Madison.

Consortium for Archaeal Genomics and Proteomics established at Penn State
Research in the new consortium concerns the structure and function of genes and proteins in the Archaea--the organisms living today with the most ancient evolutionary lineages.

Single, elderly women in rural America subject to poverty, isolation
They are the unseen Americans. While senior citizens in general have gained a higher level of economic security since the 1960s, single, elderly women living in rural areas are increasingly susceptible to lives of poverty and isolation, according to an article in the Elder Law Journal.

Smallpox vaccines
The claim that Britain's smallpox vaccine is less likely to protect people in the event of a bioterrorist attack than the US version sparked a political row last week.

Physics tip sheet #24 - August 7, 2002
Highlights of this issue include the colors of asteroid families, 3-D data storage in glass, 3-D x-ray microscopes and reduction of large-scale turbulence.

The contraceptive plague
After more than a decade of trying, Australian researchers have created an infectious virus that could wipe out the country's rabbit pests by making females infertile.

Hormone found to reduce appetite by a third
An international team of scientists has discovered a hormone that can significantly decrease the appetite, reducing the amount of food eaten in a day by a third.

UCSD study shows increased transmission of drug-resistant HIV infection
An increase in the transmission rate of drug-resistant human immunodeficiency virus (HIV), now affecting as many as one in five newly infected persons, has been discovered by researchers at the UCSD School of Medicine.

How social scientists, humanists can better use computers is book focus
The editor of a new book about computing thinks of his publication as a bridge for colleagues who are wary of the far side of technology.

New spine repair technique may offer hope for osteoporosis sufferers
UCSF orthopedic surgeons are studying the long-term effects of a new spine repair surgery for osteoporosis sufferers.

Beans and fungus may improve corn crop without expensive fertilizer
Corn, the preferred staple crop in many countries, requires large amounts of nitrogen for its growth.

In disasters, panic is rare; Altruism dominates
Group panic and irrational behavior did not occur at the World Trade Center on September 11, 2001.
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