Brightsurf Science News & Current Events

November 22, 2005
AKT cancer cell pathway demonstrates unexpected function
In investigating the molecular mechanisms of cancer cell motility - the unique property that enables cancer to spread from its primary origin to other parts of the body - researchers have uncovered a surprising role for the AKT/PKB (protein kinase B) enzyme, providing important new insights into cancer metastasis and suggesting that current efforts to develop cancer therapies by inhibiting AKT may be inadvertently promoting the spread of the disease.

NJIT study shows nanoparticles could damage plant life
A nanoparticle commonly used in industry could have a damaging effect on plant life, according to a report by an environmental scientist at New Jersey Institute of Technology (NJIT).

Genealogy of scaly reptiles rewritten by new research
The most comprehensive analysis ever performed of the genetic relationships among all the major groups of snakes, lizards, and other scaly reptiles has resulted in a radical reorganization of the family tree of these animals, requiring new names for many of the tree's new branches.

Two studies find ways to block the 'freshman 15'
Preventing the

First ever study to investigate impact of chronic wasting disease on humans
Researchers at Binghamton University have a first-ever opportunity to determine if Chronic Wasting Disease (CWD) in deer can be spread to humans who ingest

ORNL earns Federal Energy Savings award
A new 376,000-square foot facility that is part of the East Campus Modernization at the Department of Energy's Oak Ridge National Laboratory has earned a Federal Energy Saver Showcase Award.

Family stories show immigrants are not all melting in that pot
At a time in American life when loyalty to any other nation has been perceived as disloyalty to America, a new study of family stories reveals that many families who came to the United States in the last 30 or 40 years strongly identify with both the country they came from as well as to America, a stance known as transnationalism.

The first laugh: New study posits evolutionary origins of two distinct types of laughter
In an important new study from the forthcoming Quarterly Review of Biology, biologists from Binghamton University explore the evolution of two distinct types of laughter - laughter which is stimulus-driven and laughter which is self-generated and strategic.

NRL demonstrates fuel cell-powered unmanned aerial system
The Naval Research Laboratory (NRL), in collaboration with industrial partners, demonstrated an unmanned aerial system (UAS) flight solely powered by fuel cell technology.

Sweat is good indicator heart attack may be coming
Sweating during physical activity or in hot weather is healthy.

Dragon over water: Envisat monitors China's largest lake, rivers flooding
Envisat ASAR Global Monitoring Mode rapid-revisit images -- employed as part of ESA's Dragon Programme -- have charted the hydrological cycle of China's largest freshwater body, Poyang Lake, whose area fluctuates more than three-fold annually.

Was Einstein's 'biggest blunder' a stellar success?
The genius of Albert Einstein, who added a

UNC, Shaw research shows continuity of care, not race, key to better blood pressure control
Sustained access to the same doctor is more important than a doctor being of the same race in helping older black patients control their high blood pressure, a new study indicates.

Methodist Neurological Institute, University of Houston combine 'brain power'
The human brain is considered one of the last frontiers in modern medicine.

Nearly half of people with diabetes are not using aspirin to reduce risk of heart attack and stroke
Survey results released today by the American College of Preventive Medicine (ACPM) found that nearly half (48 percent) of US adults 40+ with diabetes are not utilizing aspirin therapy to reduce their risk of recurrent heart attack or stroke nor had they reported discussing such therapy with their healthcare provider.

Brandeis wins $1 million grant to train scientists in solving 21-century biomedical problems
The art of teaching science at Brandeis has just won major recognition and support through a highly competitive $1 million grant to develop a specialized interdisciplinary graduate education program.

Genetic research remains hidden
Using the Chinese literature as an example, John Ioannidis and colleagues show that selective reporting and language biases occur frequently in human genome epidemiology.

HHMI awards $10 million for interdisciplinary graduate education
Howard Hughes Medical Institute is awarding 10 grants of $1 million each to initiate fundamental changes in the way Ph.D. scientists are trained.

Researchers use imaging technique to visualize effects of stress on human brain
The holiday season is notorious for the emotional stress it evokes.

Sports fans get closer to the action - in real time
Sports fans can now interact with their favourite broadcasts in real time through digital TVs and 3G mobile phones, thanks to a newly developed infrastructure that opens up a realm of commercial opportunities for broadcasters and advertisers by providing additional revenue streams for the sports publishing value chain.

Drug may combat weight loss during radiation treatments
A new study by researchers at Wake Forest University Baptist Medical Center and colleagues shows that a drug originally used to treat breast cancer may help combat the severe weight loss that can plague patients undergoing radiation treatment for lung and head and neck cancer.

UIC chemists characterize Alzheimer's plaque precursor
Using a nuclear magnetic resonance technique, University of Illinois at Chicago chemists have obtained the first molecular-level images of precursors of bundled fibrils that form the brain plaques seen in Alzheimer's disease.

Figuring out the ups and downs--and sideways--of neural development
One of the key controllers of neural development seems to depend on a simple cellular decision -- whether to divide perpendicularly or in parallel to the embryonic structure called the neuroepithelium.

Nature: Up to one-third of US in compliance with Kyoto Accords
Even though the United States does not participate in the Kyoto protocol, one-quarter to one-third of the population lives in states, counties or cities that have adopted climate change policies similar to those of the global initiative.

Daycare illness guidelines exist, but largely unknown
A new Cincinnati Children's Hospital Medical Center study shows that parents, pediatricians and child care providers are equally unknowledgeable about guidelines that recommend whether children should be excluded from child care due to particular illnesses.

$1 million grant from Howard Hughes Medical Institute to fund joint neuroscience program
A $1 million, 3-year grant from the Howard Hughes Medical Institute (HHMI) awarded jointly to three prominent research universities - all located in Newark, NJ - will be used to develop a novel doctoral program designed to train future neuroscientists who can integrate approaches used in mathematics, biomedical sciences and computation as they investigate emerging questions in the neural sciences.

Plant gene related to cancer treatment may foster new oncology drugs
Two proteins involved in the process that controls plant growth may help explain why human cells reject chemotherapy drugs, according to an international team of scientists.

President announces Roger Easton recipient of National Medal of Technology
President George W. Bush has announced that Roger L. Easton is the recipient of the National Medal of Technology for his extensive pioneering achievements in spacecraft tracking, navigation and timing technology that led to the development of the NAVSTAR-Global Positioning System (GPS).

Two anticoagulant therapies for treating acute coronary syndromes show similar outcomes at one year
High-risk patients with acute coronary syndromes (ACS) treated with an early revascularization strategy and enoxaparin or unfractionated heparin at the time of hospitalization for ACS had similar outcomes at one year, including remaining at substantial risk for adverse cardiovascular events, according to a study in the November 23/30 issue of JAMA.

New wind tunnel aimed at making airplanes quieter to those on ground
As airline travel peaks for the Thanksgiving holiday, a newly completed wind tunnel at the University of Florida may help reduce the noise of commercial airplanes as they fly over homes and neighborhoods.

Mortality among very low-birthweight infants higher at minority-serving hospitals
The researchers found that infant mortality for black and white infants born at minority-serving hospitals, defined as hospitals where 35 percent of VLBW infants are black, was significantly higher than for black and white infants born at hospitals where fewer than 15 percent of these infants are black.

Rensselaer materials research highlighted at MRS fall meeting in Boston
From tissue engineering to treating water with nanotubes, more than 30 scientists from Rensselaer Polytechnic Institute will present findings at the 2005 Materials Research Society (MRS) Fall Meeting Nov.

MRI best tool for studying intricate nerves in dogs
A recent study in the journal Veterinary Radiology and Ultrasound presents the first description of the anatomy of a dog's cranial nerves (CN), a once difficult procedure now made possible by using magnetic resonance imaging (MRI) as a diagnostic modality.

SuperNova legacy survey
The SuperNova Legacy Survey collaboration started the largest survey to measure the distance of far supernovae.

Mental stress may be another culprit in raising cholesterol levels in healthy adults
There is good evidence to show that stress can increase a person's heart rate, lower the immune system's ability to fight colds and increase certain inflammatory markers but can stress also raise a person's cholesterol?

Internet may aid in treating panic sufferers
Internet-based treatments for sufferers of panic disorder may be just as effective as face-to-face methods, a study by Monash University researchers has found.

Pain research using electronic diaries helps identify who responds to 'placebo effect'
A new study by researchers at the University of Michigan Health System sheds some light on one group of people that seems to experience the 'placebo effect.' The researchers found that people with one type of chronic pain who have greater swings in their pain fluctuations tend to be more likely to respond to placebos.

Older women who receive pelvic irradiation for cancer have increased risk for pelvic fracture
Older women who received radiation therapy for cervical, rectal or anal cancer have a substantially increased risk for pelvic fractures, according to a study in the November 23/30 issue of JAMA.

Increased duration of breastfeeding associated with decreased risk of diabetes
Women who breastfeed longer have a lower risk of developing type 2 diabetes, according to a study in the November 23/30 issue of JAMA.

Molecular cabal contributes to stroke damage
In the neural train wreck that is stroke, the cutoff of oxygen kills brain cells through a buildup of acid, as well as by overexciting receptors on the surface of brain cells.

UF scientists say stem cells may trigger bone cancer
Researchers are the first to identify a population of cells with characteristics of adult and embryonic stem cells in cultures derived from biopsies of patients' bone tumors.

Sontra Medical and HortResearch form partnership to develop sports performance technology
New Zealand's HortResearch has been collaborating with some of Australiasia's top sports teams to optimize athletic performance by combining individualized training with monitoring biochemical markers that indicate how an athlete's body is responding to training, competition, injury and post-activity recuperation.

Carnegie Mellon and University of Pittsburgh receive educational grant from HHMI
Carnegie Mellon University, in partnership with the University of Pittsburgh, has received a prestigious grant from the Howard Hughes Medical Institute (HHMI) to support the development of an interdisciplinary joint doctoral program in computational biology.

3-2-1 lift off: Registration deadline approaching for UH Mars Rover competition
The University of Houston is giving Houston-area schools until Tuesday, Nov.

IOF agencies receive global recognition of osteoporosis campaigns
The advertising and public relations agencies of International Osteoporosis Foundation (IOF) were recognized by their peers as having produced exceptional campaigns that help people worldwide reduce their risk of breaking their bones due to osteoporosis.

The therapeutic role of melatonin in cancer worthy of study
The role of melatonin for the treatment of cancer is looking compelling, according to a new study published in the Journal of Pineal Research.

Heavy drinking declines with age, though drop is slower among men and smokers
While the researchers noted that heavy drinking declined with age, they found it fell more slowly among men compared with women and among smokers compared with non-smokers.

Evolution: Constant Change and Common Threads
Despite immense advances in evidence and understanding, there remains a societal struggle with the acceptance of our biological history and the evolutionary process.

Epidural leads to less pain, more assisted deliveries
Women who receive epidurals during labor report less pain than those who choose opiates or natural childbirth, according to a systematic review of evidence.

Obtaining high performance coatings through simple latex film simulations
In the formation of high performance coatings, it is known that the process whereby a film forms from a colloidal dispersion is a key step.

U of M study shows radiation therapy for pelvic cancers increases risk for fractures in older women
A University of Minnesota Cancer Center study indicates that older women who receive radiation therapy for treatment of pelvic cancers have an increased risk of hip and other pelvic fractures later in life.

Magnet lab collaboration yields 'R&D 100' honor
When it comes to learning more about the fundamental nature of matter, a little goes a long way toward advancing science and discovery: The smaller the measurement, the better the results. 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