Brightsurf Science News & Current Events

February 07, 2007
Conscience, religion alter how doctors tell patients about options
Many physicians feel no obligation to tell patients about legal but morally controversial medical treatments or to refer patients to doctors who do not object to those treatments.

Prehistoric origins of stomach ulcers uncovered
Scientists have discovered that the ubiquitous bacteria that causes most painful stomach ulcers has been present in the human digestive system since modern man migrated from Africa over 60,000 years ago.

Loss of a universal tRNA feature reported
Scientists at the Virginia Bioinformatics Institute report that two alphaproteobacteria lack the universal extra guanylate nucleotide typically found in the transfer RNA molecule tRNAHis. tRNAs are the molecules responsible for decoding sequence information specified by messenger RNA molecules, information which is ultimately encoded by the DNA template.

Smell may outlast other senses
While eyesight and hearing deteriorate markedly during the normal aging process, new research suggests the sense of smell may actually last longer in otherwise healthy individuals.

Exercise pivotal in preventing and fighting type II diabetes
One in three American children born in 2000 will develop type II diabetes, according to the US Centers for Disease Control and Prevention.

Study questions 'one size fits all' approach when measuring income's effect on school readiness
Findings from an analysis of the Early Childhood Longitudinal Study suggest that race and ethnic identity should influence the approach used to measure the socio-emotional and pre-academic skills that contribute to school readiness.

Forensic photography brings color back to ancient textiles
Archaeologists are now turning to forensic crime lab techniques to hunt for dyes, paint, and other decoration in prehistoric textiles.

EO Lawrence Award goes to 8 scientists and engineers
Secretary of Energy Samuel Bodman today named eight winners of the Ernest Orlando Lawrence Award.

Standard treatment more effective than diabetes drug for achieving pregnancy in fertility disorder
Metformin, a drug used to treat diabetes and thought to hold great promise at overcoming the infertility associated with polycystic ovary syndrome (PCOS), is less useful for helping women with the condition achieve pregnancy than is the standard treatment with the infertility drug clomiphene, report researchers in an NIH research network.

Female Antarctic seals give cold shoulder to local males
Female Antarctic fur seals will travel across a colony to actively seek males which are genetically diverse and unrelated, rather than mate with local dominant males.

Good for the goose, not so great for the gander
A provocative new model proposed by USC molecular biologist John Tower may help answer an enduring scientific question: Why do women tend to live longer than men?

JILA measurements recast usual view of elusive force
Physicists at JILA have demonstrated that the warmer a surface is, the stronger its subtle ability to attract nearby atoms, a finding that could affect the design of devices that rely on small-scale interactions, such as atom chips, nanomachines and microelectromechanical systems.

Can an ugly toenail predict amputation?
Nearly three in four people with diabetes at high risk for amputation have diseased toenails.

Arctic climate experts to meet in Fairbanks
Climate researchers from four countries will gather in Fairbanks Feb.

How parents react to material hardship found to be key to how income affects children
Research drawing from the

In tiny supercooled clouds, physicists exchange light and matter
Physicists have for the first time stopped and extinguished a light pulse in one part of space and then revived it in a completely separate location.

Scientists learn the origin of rogue B cells
Doctors have long wondered why, in some people, the immune system turns against parts of the body it is designed to protect, leading to autoimmune disease.

Scientists use seismic waves to locate missing rock under Tibet
Geologists at the University of Illinois at Urbana-Champaign have located a huge chunk of Earth's lithosphere that went missing 15 million years ago.

Patients who get ICDs for prevention have less driving restrictions
People who receive implantable cardioverter defibrillators (ICD) as a preventative measure don't need the same driving restrictions as people who get an ICD after surviving a life-threatening heart rhythm disturbance.

First 2-D Pictures of a 'frequency comb' transform it into a brush
Physicists at NIST have taken the first ever two-dimensional pictures of a

Cord Blood Registry achieves industry-leading stem cell recovery with new automation technology
Cord Blood Registry today announced that it has completed initial validation testing of the company's proprietary CellAdvantage system using new automation technology for cell processing, developed by ThermoGenesis and distributed by GE Healthcare.

Wiley wins 2 2006 PSP Awards and 3 honorable mentions
Global publisher John Wiley & Sons Inc., is proud to announce that it is the recipient of two awards and three honorable mentions in the 2006 Professional/Scholarly Publishing Division Annual Awards Program of the Association of American Publishers.

Children who sleep more weigh less
Using data from a nationally representative survey, researchers found that children who slept more had lower BMI measures and were less likely to be overweight than children who slept less.

Take more breaks to avoid back injury at work, study says
Workers who lift for a living need to take longer or more frequent breaks than they now do to avoid back injury, according to a new study at Ohio State University .

ACS Chemical Biology wins award for innovation in journal publishing
ACS Chemical Biology, a peer-reviewed journal of the American Chemical Society, has won the 2006 Award for Innovation in Journal Publishing from the Professional and Scholarly Publishing Division of the Association of American Publishers.

Risk of extinction accelerated due to interacting human threats
Using experimental microcosm populations of rotifers, a type of zooplankton, the study found that individually each of these threats caused significant population declines.

Pycnogenol delays glucose absorption 190 times more potently than prescription medication
A new study to be published in an upcoming edition of the journal of Diabetes Research and Clinical Practice reveals that French maritime pine tree extract known as Pycnogenol delays the uptake of glucose from a meal 190 times more than prescription medications, preventing the typical high-glucose peak in the blood stream after a meal.

Adaptation to global climate change is an essential response to a warming planet
Temperatures are rising on Earth, which is heating up the debate over global warming and the future of our planet, but what may be needed most to combat global warming is a greater focus on adapting to our changing planet, says a team of science policy experts writing in this week's Nature magazine.

Discovery could lead to better control of hemorrhagic fever viruses
Researchers report discovering the receptor through which a group of life-threatening hemorrhagic fever viruses enter and attack the body's cells, and show that infection can be inhibited by blocking this receptor.

Online tool helps physicians improve care of patients with bleeding disorder
Physicians who treat a blood disorder called idiopathic thrombocytopenic purpura, characterized by easy bruising and excessive bleeding, now have a new tool to help them provide the best care for patients with this disease.

Students who believe intelligence can be developed perform better
Two studies that followed junior high students have demonstrated that students who believe intelligence can be developed may improve their math achievement.

Mimicking how the brain recognizes street scenes
Scientists in Tomaso Poggio's laboratory at the McGovern Institute for Brain Research at MIT developed a computational model of how the brain processes visual information and applied it to a complex, real world task: Recognizing the objects in a busy street scene.

Cold storage solution for global warming?
Leicester and the British Geological Survey have proposed storing CO2 in huge underground reservoirs as a way of reducing emissions -- and have even identified sites in Western Europe that would be suitable.

Standard therapy more effective than diabetes drug in helping women with PCOS achieve pregnancy
Metformin, a drug used to treat diabetes and once thought to have great promise in overcoming the infertility associated with polycystic ovary syndrome (PCOS), is less effective than the standard fertility drug treatment, clomiphene, according to researchers from the University of Pennsylvania School of Medicine and the National Institutes of Health Reproductive Medicine research network.

Older adults face double whammy when it comes to body fat
When it comes to body fat, today's older adults face a double whammy, according to new research from Wake Forest University School of Medicine and colleagues.

Horse genome assembled
The first draft of the horse genome sequence has been deposited in public databases and is freely available for use by biomedical and veterinary researchers around the globe, leaders of the international Horse Genome Sequencing Project announced today.

Carnegie Mellon researcher proposes development of artificial cells to fight disease
Carnegie Mellon University's Philip Leduc predicts the use of artificially created cells could be a potential new therapeutic approach for treating diseases in an ever-changing world.

Children's perceptions of their parents' antisocial behavior may lead them to be antisocial
A recent study to examine how antisocial behavior is transmitted across generations found that children's perceptions of their parents' behavior may be key in the development of these behaviors.

Young adolescent girls' depression is tied to more stressful life events
In the first study to examine sex differences in depression that followed adolescents over a long period of time, researchers found that girls experience more negative life events and more stressors than boys.

Steele prize for mathematical exposition goes to Springer author
David Mumford, 69, of Brown University has received the 2007 American Mathematical Society Leroy P.

Opioid prescribing at forefront of pain medicine meeting
Opioid therapy, opioid prescribing and prescription drug diversion are provoking topics at the 23rd annual meeting of the American Academy of Pain Medicine at the Hilton New Orleans Riverside Hotel/Morial Convention Center, Feb.

Parents' genes, not parents' arguing, may cause children's conduct problems
A new study has revealed that parents' fighting is not likely a direct cause of children's conduct problems.

Scientists identify 'missing link' in process leading to Alzheimer's disease
Scientists at the University of Virginia have identified what appears to be a major missing link in the process that destroys nerve cells in Alzheimer's disease, an incurable disease that slowly destroys memory and cognitive abilities.

Sandia helps develop new wind turbine blade design
A new wind turbine blade design that researchers at Sandia developed in partnership with Knight & Carver of San Diego should significantly reduce the cost-of-energy (COE) of wind turbines at low-wind-speed sites.

Children's sleep problems can lead to school problems
Although it is known that children with sleep difficulties are likely to have school difficulties, new research reveals that this connection between sleep and school performance is related to a child's socioeconomic and ethnic/racial background.

Involvement of nonresident fathers may protect low-income teens from delinquency
A new study has found that involvement of nonresident biological fathers has protective effects on their adolescent children.

New data shakes accepted models of collisions of the Earth's crust
New research findings may help refine the accepted models used by earth scientists over the past 30 years to describe the ways in which continents clash to form the Earth's landscape.

Fighting influenza and co. with 40,000 blood samples
Four million people die every year from respiratory diseases such as viral influenza.

Children who sleep less more likely to be overweight
Children who sleep less are at greater risk of being overweight, according to the first nationally representative, longitudinal investigation of the relationship between sleep, Body Mass Index and overweight status in children 3 to 18.

Enhancing activity of marijuana-like chemicals in brain helps treat
Marijuana-like chemicals in the brain may point to a treatment for the debilitating condition of Parkinson's disease.

Major population centers may be at risk; building codes must reflect new seismic data
Earthquakes in stable continental regions lack sufficient understanding to prepare local populations for future seismic activity, according to a paper published in the February issue of the Bulletin of the Seismological Society of America.

Machine learning could speed up radiation therapy for cancer patients
A new computer-based technique could eliminate hours of manual adjustment associated with a popular cancer treatment.

NASA's largest space telescope mirror will see deeper into space
When scientists are looking into space, the more they can see, the easier it is to piece together the puzzle of the cosmos.

Study shows largest North America climate change in 65 million years
The largest climate change in central North America since the age of the dinosaurs 65 million years ago, a temperature drop of nearly 15 degrees Fahrenheit, is documented within the fossilized teeth of horses and other plant-eating mammals, a new study reveals.

Chlamydia vaccine a step closer to reality
Scientists at Queensland University of Technology are one step closer to developing a world-first vaccine to protect women against contracting the most common sexually-transmitted disease, chlamydia.

Wright State collaborates on $2M NSF grant to provide more science, engineering professionals
Wright State University and Sinclair Community College today joined forces to launch a local initiative to increase the number of students pursuing careers science, technology, engineering and mathematics (STEM).

Applying science to prison overcrowding
UK Home Secretary John Reid is trying to manage a criminal justice system that is filling prisons to overflowing.

International consortium to get to heart of coronary artery disease
An international consortium has been launched to tackle coronary artery disease using the latest scientific tools. 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