Brightsurf Science News & Current Events

April 24, 2003
Checking how cells grow
Research published today in Journal of Biology challenges an assumption about cell growth that underpins modern cellular biology.

A room with a view helps rural children deal with stress
Having nature in or around the home appears to significantly buffer the impact of stressful life events on rural children's psychological well-being, according to a new study by two Cornell University environmental psychologists, (Environment and Behavior Vol.

Scientists discover 'drive shaft' in mechanism that propels parasite into cells
Researchers at Washington University School of Medicine in St. Louis have discovered that a common protein known as aldolase, which is used in cells to produce energy from sugars, serves as a kind of drive shaft in the parasite Toxoplasma as it propels itself into host cells to cause infection.

Private finance initiative is associated with NHS downsizing and bed reductions
The private finance initiative (PFI) in Lothian, Scotland has not reached its targets for inpatient admissions and performance, show researchers in this week's BMJ.

Getting to know a catena
Soils present a marvelous opportunity for science students to see the practical real-world implications and applications of the principles of basic physics, biology and chemistry.

Scientists observe nanosize microtubules 'treadmilling' across plant cells
A study in the journal Science is offering new insights into a long-standing mystery about plant growth.

Diet study focus of TAES research in effort to help save giant panda
It's a first for the Texas Agricultural Experiment Station's Grazingland Animal Nutrition Lab, and oddly enough, the work doesn't have anything to do with livestock.

Delay in spotting TB is more common in white people and women
Delays in diagnosing tuberculosis are more common in white people and women, finds a study in this week's BMJ.

Rutgers scientist sees evidence of 'onions' in space
Scientists may have peeled away another layer of mystery about materials floating in deep space, and it involves nanotechnology.

Former CEBAF (now Jefferson Lab) scientific director earns outstanding scientist honors
Governor Mark R. Warner and Science Museum of Virginia Director, Dr.

How should medical care that emphasizes human relationships be taught to future doctors?
The Indiana University School of Medicine, the nation's second largest medical school will serve as a laboratory for the study of relationship-centered medical care.

Health benefits of training mothers in developing countries to breastfeed exclusively for 6 months
Reducing diarrhoeal disease among infants in less-developed countries could be assisted by the implementation of straightforward community-based health programmes to promote exclusive breastfeeding for six months after childbirth, conclude authors of a study in this week's issue of The Lancet.

Green tea linked to skin cell rejuvenation
Research into the health-promoting properties of green tea is yielding information that may lead to new treatments for skin diseases and wounds.

Story tips from the Department of Energy's Oak Ridge National Laboratory, April 2003
Story ideas from the Department of Energy's Oak Ridge National Laboratory include:

Laws, war, and public health
This week's editorial discusses the effect of the Gulf war on the health of the Iraqi people, and considers the legal framework that obliges the coalition forces to protect the health of Iraqi citizens.

Real-time imaging reveals the dynamic architecture of plant cells
For years scientists have been trying to figure out how plant microtubules--long-chained polymers that act as guide-wires to organize cellular components for cell division, architecture, and other activities--originate and become organized.

Protein interactions demonstrate that Alzheimer's and Parkinson's disease may share a common fiber
Penn researchers determined that the protein that forms plaques in Parkinson's disease can induce another protein to form plaques associated with Alzheimer's.

Cheap coffee is lousy for tigers, elephants, rhinos Science says
How's this for a bitter aftertaste? Cheap coffee, the kind that comes in industrial-sized cans, may be contributing to the loss of tigers, elephants and rhinos living half a world away, according to a study by the New York-based Wildlife Conservation Society, published in the journal Science.

Biology breakthrough could aid understanding of cancer
Researchers have made a fundamental advance in the understanding of cell biology that helps to explain how cells in higher organisms send out signals that control cell division.

Cervical screening is working well, but is labour intensive
The NHS cervical screening programme is working well and preventing deaths, but is labour and resource intensive - around 1,000 women need to be screened for 35 years to prevent one death, say researchers in this week's BMJ.

Premature birth linked to lack of nutrition before pregnancy: study
Even modest restrictions in maternal nutrition around the time of conception can lead to premature births and long-term adverse health effects for the offspring, says new research by a team of scientists from Canada, New Zealand and Australia.

FDA approves drug-coated stents
The US Food and Drug Administration (FDA) today approved the use of a drug-coated stent to treat patients with clogged cardiac arteries.

Womb time drops when hungry mama conceives, Science study says
Female sheep that were undernourished around the time of conception carried their unborn lambs for a shorter time than their fully-nourished peers according to a new study that may help doctors understand human preterm pregnancies.

Study of bacterial enzyme reveals one key to cancer cell survival
An enzyme that helps disease-causing bacteria withstand attacks by the body's natural defenses turns out to be a key to human cell survival and growth and may help explain why cancer cells can multiply unchecked.

New connecting system for water pipes
Joints for steel water mains offer increased strength and save on wasted water.

Energy department awards $9 million for energy-related genomic research
The Department of Energy will fund the Institute for Biological Energy Alternatives, headed by J.

Common SARS policy for schools urgently needed
The Government should urgently develop a common SARS policy for UK boarding schools, according to a letter in this week's BMJ.

Minimally invasive esophagectomy results in improved survival and shorter hospital stays
Findings from the largest study to date (n = 221) evaluating minimally invasive esophagectomy indicate that the procedure results in lower mortality rates and shorter hospital stays compared to most open procedures.

Family history raises odds of stroke at young age
Family history was found to be a significant risk factor for two common types of stroke, British researchers report in today's rapid access issue of Stroke: Journal of the American Heart Association.

Gastric bypass surgery improves diabetes in most patients, says University of Pittsburgh study
According to a study presented today by University of Pittsburgh Medical Center (UPMC) researchers at the American Surgical Association's (ASA) 123rd annual meeting in Washington, D.C., 97 percent of patients who underwent laparoscopic Roux-en Y gastric bypass surgery for obesity (LGBP) had resolution or improvement of their type 2 diabetes mellitus.

Health benefits of training mothers in developing countries to exclusively breastfeed for 6 months
Reducing diarrhoeal disease among infants in less-developed countries could be assisted by the imple-mentation of straightforward community-based health programmes to promote exclusive breastfeeding for six months after childbirth, conclude authors of a study in the April 26th issue of The Lancet.

Organic light emitting devices and microdisplays edge closer to commercial markets
As the demand for clearer, sharper images continues to grow, the inherent flexibility of advanced display materials is opening doors for their use in a wide range of display applications.

European studies highlight value of screening for breast cancer
Two European studies published in this week's issue of THE LANCET show that the introduction of mammography screening in Sweden and The Netherlands has contributed to a decrease in deaths from breast cancer.

An antimicrobial solution for blocked urinary catheters?
Authors of a research letter in this week's issue of THE LANCET propose a new method for inflating urinary catheters-which could avoid common problems of encrustration and blockage of the catheter.

New Web-based tools for developing comprehensive cancer control programs released
As part of a public-private effort, the National Cancer Institute (NCI), the Centers for Disease Control and Prevention (CDC), and the Substance Abuse and Mental Health Services Administration (SAMHSA) today announced new Web-based tools for comprehensive cancer control planning, implementation, and evaluation.

Gene variation raises risk of bipolar disorder and schizophrenia
Researchers from the University of Chicago have traced increased susceptibility to bipolar disorder to two overlapping genes found on chromosome 13.

Purdue researchers determine age of fossilized human ancestor
In a finding that could shed light on the earliest origins of mankind, fossil remains found in South Africa of an ancestral human species have proven far older than expected when evaluated by a Purdue University research team.

Manual therapy is effective treatment for neck pain
Manual therapy is more effective and less costly for treating neck pain than physiotherapy or care by a general practitioner, claim researchers in this week's BMJ.

UGA scientists show ecological interaction between 'competing' pathogens
Epidemiologists have long known that when enough individuals in a population get sick and build immunity or die, the epidemic will end.

Hurricane winds carried ocean salt & plankton far inland
Researchers found surprising evidence of sea salt and frozen plankton in high, cold, cirrus clouds, the remnants of Hurricane Nora, over the U.S. plains states. 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