Brightsurf Science News & Current Events

October 19, 2004
Other highlights in the October 20 JNCI
Other highlights in the October 20 JNCI include an investigation of birth weight and the risk of childhood leukemias, a study of a possible treatment for overdoses of intrathecal methotrexate, a review of the U.S.

Physically fit children appear to do better in classroom, researchers say
The health benefits of exercise across the lifespan are well documented.

MRI appears to have advantages over CT scan for detecting bleeding in the brain in stroke patients
Magnetic resonance imaging (MRI) may be as accurate as computed tomography (CT) in detecting acute bleeding in the brain in patients showing signs of stroke, and more accurate than CT in revealing chronic bleeding in the brain, according to a study in the October 20 issue of JAMA.

Lack of improvement 24 hours after stroke treatment associated with poor outcome at 3 months
Stroke patients who show little improvement in the first 24 hours after receiving thrombolytic (clot-dissolving) therapy are more likely to have poor outcomes or death at three months, according to a study in the October 20 JAMA.

Revolutionising panel production
The production of new thermoplastic sandwich section panels that are stronger and lighter than wood and are both fireproof and recyclable.

Aviation-style checklist might solve operating room miscommunication: Researchers
Ineffective communication among members of operating room teams can lead to medical error, so identifying the reasons for poor communication are vital, says a University of Toronto researcher.

New insight into progression of colorectal cancer
Researchers have uncovered a specific signaling mechanism that contributes to the development of colorectal cancer, one of the most common deadly human cancers.

Widely used breast cancer drug not linked to stroke
A new study by Southern California researchers finds no link between tamoxifen and stroke.

Gender gap favors democrats when female-headed households increase
Over the past quarter-century, the gender gap has favored the Democratic Party whenever the economy slumps and the number of women-headed households increases, according to a Penn State political scientist.

UCLA medical student develops, markets communication board for intubated patients
UCLA Medical Center nurse Lance Patak cared for too many critically ill patients who couldn't communicate their needs due to the endotracheal tubes that went through their vocal cords, making speech impossible.

Unionized male visible minorities earn less: Study
Visible minorities, particularly men, earn less than their white counterparts in comparable positions even when they belong to a union, say University of Toronto labour experts.

To save dolphin's dorsal fin experts combine medical technology and teamwork
An expert team of marine mammal veterinarians, medical researchers, cosmetic surgeons and dolphin trainers recently joined forces to apply the latest advances in human regenerative medicine to restore a bottlenose dolphin's damaged dorsal fin.

Study examines reasons for late-stage breast cancers
Efforts focused on increasing the use of screening mammography among targeted groups of women should be made a top priority to achieve the largest reduction in late-stage breast cancers, according to the authors of a new study in the October 20 issue of the Journal of the National Cancer Institute.

The protective effects of heparin in preventing miscarriages in lupus patients
Researchers at the Hospital for Special Surgery (HSS) in New York City have identified a potentially valuable therapeutic pathway for preventing miscarriages in certain lupus patients.

Soy likely doesn't affect fertility, according to research in monkeys
New research shows that the plant estrogens in soy don't impair fertility in monkeys.

Why thin, flat things rise and glide on the way down
Cornell physicists have solved the so-called falling-paper problem, showing why flat things -- like autumn leaves and playing cards -- rise into the air on the way to the ground.

Launch of the Online Journal of Nanotechnology at AZoNano.com
AZoM.com Pty. Ltd. Sydney Australia and the Scottish-based Institute of Nanotechnology are pleased to announce the forthcoming launch of the Online Journal of Nanotechnology.

Two novel agents work synergistically to treat lung cancer in animal experiment
Two different agents that have little individual effect on lung cancer when tested in low doses in the lab and in animals have a synergistic impact when combined together, say researchers at The University of Texas M.

Built via the internet, student satellite coming to life at ESA-ESTEC
Scattered in universities across Europe, a 250-strong team of students have never collectively met in person, but between them they have built a space-ready satellite.

When good metals go bad
 Air travel may become safer as a result of a $3.8 million investigation into corrosion-induced failure in high-performance metals used in aerospace and other demanding applications.

ASPB opposes proposed ban of GMOs in Humboldt county ballot measure M
In a letter sent today to the Chairperson of the Humboldt County Board of Supervisors, the American Society of Plant Biologists (ASPB) urged opposition to Measure M on the local ballot November 2.

Study in Royal Society journal on how relationship status influences sex ratios
Weekly release of Royal Society journal papers including how relationship status influences sex ratios and secrets of quantum entanglement.

Whooping cough makes a national comeback
Commonly known as whooping cough, pertussis is a highly contagious bacterial infection that causes severe coughing and often masquerades as common ailments such as a cold or the flu.

Ductal lavage may not detect breast cancer, study finds
Ductal lavage is not an effective method for detecting breast cancer, according to a new study in the October 20 issue of the Journal of the National Cancer Institute.

Large portion of late-stage breast cancers associated with absence of screening
Increasing mammography screening rates and investing in research to improve breast cancer detection technologies should be top priorities, according to authors of a study published in the October 20, 2004, Journal of the National Cancer Institute.

Third year of NSF's math and science partnerships to focus on teachers
Many teachers in K-12 will be able to experience a more intense learning and leadership environment as the National Science Foundation (NSF) embarks on a major effort to improve the mathematics and science education of the nation's youth.

Multicultural teenagers' self-esteem high: Study
While Canada's multicultural youth are exposed to a barrage of media stereotypes and pressures, their self-esteem remains high, says a University of Toronto researcher.

Stony Brook University medical researcher developing new medication to prevent colon cancer
A Stony Brook University researcher is testing a new form of aspirin--one that is much more potent than its commercially available counterpart, but with almost none of the side effects--to determine whether it can be used to prevent colon cancer in patients who are prone to the disease.

Posssible link between diabetes and liver cancer found
Diabetics face a higher risk of contracting pancreatic and liver cancer, according to a new study by Université de Montréal epidemiologist Dr.

Hebrew University archaeologists reveal additional sections of ancient synagogue in Albania
Excavations carried out this fall at an ancient synagogue in Albania have uncovered additional sections of the impressive structure.

Rim of crater Huygens on Mars
These images, taken by the High Resolution Stereo Camera (HRSC) on board ESA's Mars Express spacecraft, show the eastern rim of the Martian impact crater Huygens.

$2.8 million NIH grant awarded to UH for bionano training
A $2.8 million National Institutes of Health grant awarded to the University of Houston is both expanding research and preparing the first generation of nanobiologists among Houston universities and medical schools.

'Knowledge discovery' could speed creation of new products
A team at Purdue University is developing a system for speeding the discovery of new catalysts, compounds and pharmaceuticals that is reminiscent of a

Promising new preventative treatment option for population of men at high risk of prostate cancer
Toremifene, a drug currently used to treat breast cancer in women, was found to reduce the incidence of prostate cancer for men at high risk for the disease.

Families and friends, not just business, can benefit from telephone conference calls
Telephone conference calls are widely used by business, but they also have great value for people outside work.

Globetrotting pollutants turn up on Toronto street
Researchers at the University of Toronto have detected migratory pollutants from a forest fire in Quebec and even particles from a sandstorm in the Sahara in Toronto air, findings that could someday give regulatory agencies an idea of who is contributing to the pollutants found in urban air.

Certain factors associated with higher risk of death in hospital after treatment for stroke
Stroke patients who were older and had disturbances of their consciousness had a greater risk of death in the hospital following thrombolytic (clot-dissolving) therapy, according to an article in the October 20 JAMA.

Researcher says screenings vital to reduce stroke rate
A leading stroke researcher says the aging of the American population means that more people are at risk for stroke, and that unless new approaches are developed to reduce stroke incidence, it will surpass heart attacks and cancer as the major cause of long-term disability and premature death.

Ductal lavage may not detect breast cancer
Ductal lavage is not an effective method for detecting breast cancer, according to a new study led by researchers at Northwestern Memorial Hospital that appears in the October 20 issue of the Journal of the National Cancer Institute.

Dr. Harris receives NIH Javits Neuroscience Investigator Award
Dr. Kristen M. Harris, chief of the Synapses and Cell Signaling Program at the Medical College of Georgia, has received the National Institute of Neurological Disorders and Stroke's Javits Neuroscience Investigator Award for her studies of anatomical changes that occur at synapses, the sites of communication between brain cells.

Bloodroot alkaloid aids in exterminating sun-damaged skin cells in culture
A common antibacterial and antifungal ingredient used in mouthwashes and tooth paste may have another positive medicinal use: protection against skin cancer

State Ben Franklin funding awarded to PSU nanotechnology project
Penn State's Nanotechnology Research and Commercialization project has been awarded $3.5 million from Pennsylvania's Ben Franklin Technology Development Authority (BFTDA) to support nanotechnology education, research and commercialization.

Establishment of an International Council for Science Regional Office for Africa
The International Council for Science (ICSU) and the National Research Foundation of South Africa (NRF) have today signed an agreement establishing an ICSU Regional Office for Africa.

Lag-3 gene dampens immune responses by controlling regulatory T-cell function
The discovery that the Lag-3 gene acts as a brake to prevent immune system responses from running out of control solves a mystery that has puzzled researchers since the gene was discovered 14 years ago.

Mayo Clinic finds ketogenic diet may be started as an outpt treatment for children with epilepsy
Results from a Mayo Clinic study that analyzed medical records of epilepsy patients suggest a ketogenic diet, which mimics the effects of starvation, can be successfully implemented with children on an outpatient basis.

Chemotherapy, but not tamoxifen, associated with stroke risk after breast cancer treatment
Tamoxifen use for the treatment of breast cancer is not associated with an increased risk of stroke, according to a new study in the October 20 issue of the Journal of the National Cancer Institute.

Congress of Neuological Surgeons meets in San Francisco
Breakthroughs in the treatment of pain and traumatic brain injury, pioneering techniques in brain stimulation for epilepsy and stroke patients and the latest information about the use of robots in neurosurgery are among the highlights of the 54th annual meeting of the Congress of Neurological Surgeons.

Gene-altered mouse is model for rare autoimmune syndrome
By knocking out a single gene in mice, immunologists at Duke University Medical Center have mimicked a little-understood autoimmune disorder in humans.

Gene linked to greater risk of heart disease in type 2 diabetes
New studies by an international team of scientists led by Joslin Diabetes Center have found variations in a gene that help explain why people with type 2 diabetes are at much greater risk for coronary artery disease, the leading cause of death for this group.

Scientists fear threat of second wave of 'mad cow' prion infection
The human-to-human threat of TSEs, specifically
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