Brightsurf Science News & Current Events

July 26, 2007
Teens can learn to manage their emotions
Can teenagers experiencing powerful emotions learn to manage those emotions?

Report recommends off-site disposal of secondary waste
It is both technically feasible and advantageous for the U.S.

Nanowaste needs attention of EPA, industry and investors
The Environmental Protection Agency must make key decisions about how to apply the two major end-of-life statutes to nanotechnology waste in order to ensure adequate oversight for these technologies, concludes a new report from the Wilson Center's Project on Emerging Nanotechnologies.

Assisted reproduction -- Risks during and after pregnancy
The risks of complications both during and after pregnancy achieved through assisted reproduction techniques (ART) are significantly higher than for natural conception, and long term follow-up of children born through ART is needed to fully understand the consequences of these techniques.

Boston Univeristy bioengineers devise 'dimmer swith' to regulate gene expression in mammal cells
Boston University biomedical engineers have created a genetic dimmer switch that can be used to turn on, shut off, or partially activate a gene's function.

Discovery of 'hidden' quantum order improves prospects for quantum super computers
An international team of scientists, including several at Johns Hopkins, has detected a hidden magnetic

First course developed to 'train the trainers' about radiation and nuclear exposure
In the event of a radiation or nuclear attack by terrorists, it will be essential to provide the public with accurate information on risks and how to minimize health effects.

Hepatitis C helicase unwinds DNA in a spring-loaded, 3-step process
The process by which genes are duplicated is mysterious and complex, involving a cast of characters with diverse talents and the ability to play well with others in extremely close quarters.

MicroRNA works with Ago2 protein to regulate blood cell development
MicroRNAs became the stars of the RNA universe, when scientists found that these short RNAs can control whether or not genes are expressed.

UCLA's California NanoSystems Institute partners with Abraxis BioScience
Abraxis BioScience will collaborate with the CNSI and its team of leading researchers to capitalize on the explosion of scientific insight and create the future of nanotechnology within biotechnology.

Cannabis could increase risk of psychotic illness later in life by over 40 percent
There is now enough evidence to warn young people that using cannabis could increase their risk of developing a psychotic illness later in life by more than 40 percent, conclude authors of an Article published in this week's edition of The Lancet.

Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
This is an important summer for kori bustards at the Smithsonian's National Zoo.

When off-target is right on
Weizmann Institute scientists have developed a model showing that even though it appears counterintuitive, the observation that some molecular keys are not always an exact fit for their molecular locks actually helps them in discerning the right target.

Surprising new species of light-harvesting bacterium discovered in Yellowstone
In the hot springs of Yellowstone National Park, a team of researchers has discovered a novel chlorophyll-producing bacterium that transforms light into chemical energy.

Killer electrons in space are now less mysterious
A rare, timely conjunction of ground-based instrumentation and a dozen satellites has helped scientists better understand how electrons in space can turn into

Prescribing of antibiotics to children still at a level to cause drug resistance, warn experts
Regular prescribing of antibiotics to children in the community is sufficient to sustain a high level of antibiotic resistance in the population, warn experts in a study published online today.

Health reform bills could improve quality and efficiency, but fall short of national plan
Several health reform bills before Congress could lead to significant improvements in health care quality and efficiency, but they fall short of an overarching, coordinated plan that would create a better overall health care system for the country, according to an analysis released today by the Commonwealth Fund and prepared for the Commonwealth Fund Commission on a High Performance Health System.

Brain implant being studied at Jefferson could predict and stop epilepsy seizures
An implanted stimulator being studied at Thomas Jefferson University Hospital, may be able to predict and prevent seizures before they start in people with uncontrolled epilepsy.

New clues to ozone depletion
Large quantities of ozone-depleting chemicals have been discovered in the Antarctic atmosphere by researchers from the University of Leeds, the University of East Anglia and the British Antarctic Survey.

Penn Abramson Cancer Center researcher Caryn Lerman, PhD, receives 2007 Alton Ochsner Award
Caryn Lerman, PhD, Deputy Director, of the Abramson Cancer Center of the University of Pennsylvania, has been awarded the 22nd Annual Alton Ochsner Award Relating Smoking and Health.

$9 million EPSCoR grant to foster integrated research
A three-year $9 million grant from the National Science Foundation, is slated to help the University of Alaska build its ability to study the changing Arctic in a holistic way.

Editorial: Weight and pregnancy
While weight and obesity have long concerned women in relation to body image and lifestyle issues, few are aware of the possible risks that fluctuating weight could have on their unborn child, write Dr.

Malt liquor linked to marijuana use among young adults
Drinking malt liquor -- the cheap, high-alcohol beverage often marketed to teens -- may put young adults at increased risk for alcohol problems and use of illicit drugs, particularly marijuana, according to a new study of malt liquor drinkers and marijuana use by scientists at the University at Buffalo's Research Institute on Addictions.

New study finds infant hearing test results may predict sudden infant death syndrome
One of the greatest medical mysteries of our time has taken a leap forward in medical understanding with new study results announced by Dr.

Can the tonsils influence oral HIV transmission?
Current research demonstrates that the tonsils may possess the necessary factors to act as a transmission site for the spread of HIV.

Journalists: Register now for CHEST 2007 in Chicago
The American College of Chest Physicians invites journalists from around the world to attend CHEST 2007, the 73rd annual international scientific assembly, held Oct.

Isoprene emission from plants -- a volatile answer to heat stress
Isoprene is a hydrocarbon volatile compound emitted in high quantities by many woody plant species, with significant impact on atmospheric chemistry.

Live broadcasts
A new receptor gene has been discovered that could help scientists learn more about events taking place in situations that are usually subjected to barriers, such as fetal development or those occurring within the central nervous system.

Opposites interfere
Weizmann Institute scientists have shown that even though two electron particles have come from completely different sources and never interact with each other, the action of one is inextricably tied to the action of the other, proving once again the success of quantum theory.

Nanotech clay armor creates fire resistant hard wearing latex emulsion paints
Researchers at the University of Warwick's Department of Chemistry have found a way of replacing the soap used to stabilize latex emulsion paints with nanotech sized clay armour that can create a much more hard-wearing and fire-resistant paint.

Is G8 putting profits before the world's poorest children?
Only a quarter of the $1.5 billion donated by G8 leaders to eradicate disease among poor children will be spent on the costs of vaccines, while three-quarters will go to profits.

$9M grant awarded to University of Cincinnati for bipolar disorder research
Researchers at the University of Cincinnati have been awarded a $9 million five-year grant to find new ways to improve and personalize treatments for bipolar disorder, and to better understand how to identify this brain disorder earlier with the goal of preventing disease progression.

Gene expression pattern could lead to improved treatment of pediatric septic shock
A consortium of researchers headed by Cincinnati Children's Hospital Medical Center has discovered a gene expression pattern that could lead to improved diagnosis and treatment of pediatric septic shock -- still a serious public health problem despite today's potent antibiotics and pediatric intensive care units.

Hidden order found in a quantum spin liquid
An international team, including scientists from the London Center for Nanotechnology, has detected a hidden magnetic

Circumcision may not impact sexual sensation
According to a new study published in the Journal of Sexual Medicine, sexual sensation in circumcised and uncircumcised men may not be so different after all.

New protein synthesis not essential to memory formation
New research from the University of Illinois challenges the premise that the brain must build new proteins in response to an experience for that experience to be recorded in long-term memory.

A friendly foe -- Bacteria residing in the gut boost immune response to tumors
Total body irradiation (TBI), which depletes the body of lymphocytes, improves the ability of tumor-specific T cells to cause tumor regression.

Satellite multimedia for mobile 'phones'
ESA's Telecommunications Department is supporting the development of technology needed for satellite systems to broadcast digital multimedia content such as video, television programs, radio and data to mobile telephones and vehicle-borne receivers.

Strength of connections between brain regions may affect an adolescent's response to peer influence
Brain regions that regulate different aspects of behavior are more interconnected in children with high resistance to peer influence than those with low resistance, according to a new study published in the July 25 issue of the Journal of Neuroscience.

More fish oil, less vegetable oil, better for your health
Scientists have provided new evidence that using more fish oil than vegetable oil in the diet decreases the formation of chemicals called prostanoids, which, when produced in excess, increase inflammation in various tissues and organs.

On sorting through global detritus and discovering former earths
More than 200 years ago, James Hutton gave birth to the field of sedimentary provenance when he theorized that the earth on which we live was made up of materials from

New grant fulfills wish of late Baltimore Orioles team photographer
A new American Cancer Society research grant honors the wishes of long-time Baltimore Orioles team photographer Jerry Wachter, who recognized the need for increased attention to a rare but dangerous form of skin cancer that took his life in 2005.

New target for HIV/AIDS drugs and vaccine discovered
Researchers from Rome, Italy, describe a finding in the August 2007 print issue of the FASEB Journal that could lead to new drugs to fight the HIV/AIDS virus, as well as new vaccines to prevent infection.

College science success linked to math and same-subject preparation
Researchers at Harvard University and the University of Virginia have found that high school coursework in one of the sciences, generally does not predict better college performance in other scientific disciplines.

Colorectal cancer research surges at Vanderbilt-Ingram Cancer Center
The Vanderbilt-Ingram Cancer Center has landed another round of support for its Specialized Program of Research Excellence in gastrointestinal cancer, one of only five such programs in the country.

U-M researchers identify gene involved in breast cancer
Researchers at the University of Michigan Comprehensive Cancer Center have identified a gene linked to the development of an aggressive form of breast cancer.

Innovative research technique reveals another natural wonder in Yellowstone Park
In the hot springs of Yellowstone National Park, a team of researchers partially funded by the National Science Foundation discovered a new bacterium that transforms light into chemical energy.

Parental qualities found to significantly affect the civic competence of adolescents
What parents do with their adolescent children, and what parents know about politics and government, are generally more important for youth civic development than who the parents are in terms of background characteristics.

Nurses and cleaners among highest risk groups for developing occupational asthma
Nurses are more than twice as likely as the general population to develop occupational asthma, conclude authors of an Article published in this week's edition of the Lancet.

Severe trauma affects kids' brain function, say Stanford/Packard researchers
The first study to examine brain activity patterns in severely traumatized children showed their brains function differently than those of healthy children, say researchers at the Stanford University School of Medicine and Lucile Packard Children's Hospital.

The inside dope
Weizmann Institute scientists have developed a new technique that could lead to the development of inexpensive, biodegradable and versatile electronic components, which are made of single layers of organic (carbon-based) molecules.

U-M team identifies gene that regulates blood-forming fetal stem cells
In the rancorous public debate over federal research funding, stem cells are generally assigned to one of two categories: embryonic or adult.

Nutritional supplement cuts anemia in poor children by half
When the nutritional supplement Sprinkles was added to food for two months, anemia rates among children were reduced dramatically, says a Cornell study published in the Journal of Nutrition.

Researchers create search engine to hunt molecules online
ChemxSeer, the first publicly available search engine designed specifically for chemical formulae, can sort out when

Canada's new government strengthens ties with Chile with mapping agreement
The Honorable Gary Lunn, minister of natural resources, and the Honorable Romy Schmidt, Chilean minister of national property, have signed a memorandum of understanding to develop geospatial knowledge in both countries.

Presence of wolves allows aspen recovery in Yellowstone
The wolves are back, and for the first time in more than 50 years, young aspen trees are growing again in the northern range of Yellowstone National Park.

Worcester Polytechnic Institute to host national forum on locating first responders inside buildings
According to a 2005 report from the National Fire Protection Association, getting lost, trapped or disabled inside buildings is the third leading cause of firefighter fatalities.

Survey finds many Americans believe unsubstantiated claims about cancer
A new study from American Cancer Society researchers finds a surprising number of Americans believe scientifically unsubstantiated claims concerning cancer, and that population segments suffering the greatest burden of cancer are the most likely to be misinformed.

JCI table of contents -- July 26, 2007
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published online July 26, 2007, in the JCI, including: A friendly foe: Bacteria residing in the gut boost immune response to tumors; A step forward in our understanding of tissue damage after spinal cord injury; The ABCs of getting rid of excess cholesterol; Activation of liver X receptor-beta lowers cholesterol and reverses atherosclerosis; and others.

American Cancer Society to hold third annual Virtual Relay For Life in Second Life
On July 27 and 28, the American Cancer Society and Second Life will team up once again to celebrate survivorship and raise money for the fight against cancer by holding the society's third annual virtual Relay For Life in the Second Life virtual world.

Proactive chlamydia screening is not good value for money
Proactive chlamydia screening for young adults is an expensive intervention that probably does not represent good value for money, concludes a study published onlinetoday.

RAND presents first Victor Fuchs Research Award to economists at Carnegie Mellon University
The RAND Corp. has presented the first Victor R. Fuchs Research Award to a team from Carnegie Mellon University in Pittsburgh for publishing the best research paper with the potential to spawn new research in an underdeveloped area of health economics or health policy.

Scientists find stem cell switch
Scientists have discovered how plant stem cells in roots detect soil structure and whether it is favourable for growth.

Fossils older than dinosaurs reveal pattern of early animal evolution on Earth
The abundant diversity of characteristics within species likely helped fuel the proliferation and evolution of an odd-looking creature that emerged from an unprecedented explosion of life on Earth more than 500 million years ago.
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