Brightsurf Science News & Current Events

May 09, 2007
Researchers publish first marsupial genome sequence
An international team, led by researchers at the Broad Institute of MIT and Harvard, and supported by the National Institutes of Health, today announced the publication of the first genome of a marsupial, belonging to a South American species of opossum.

DNA reveals hooded seals have wanderlust
An international team of researchers have learned that all the hooded seal populations in the world share the same genetic diversity.

Susan Nolen-Hoeksema to address the 19th Annual Association for Psychological Science Convention
One of the foremost experts in depression research, Susan Nolen-Hoeksema, will speak at the 19th annual convention of the Association for Psychological Science in Washington, D.C., May 24-27th.

Cataloging the structural variations in human genetics
Using DNA from 62 people who were studied as part of the International HapMap Project, researchers are now looking for structural variations in DNA that may amount to as much as 5-10 percent of the human genome.

Egyptians, not Greeks were true fathers of medicine
Scientists examining documents dating back 3,500 years say they have found proof that the origins of modern medicine lie in ancient Egypt and not with Hippocrates and the Greeks.

University of Arizona neurobiologist John Hildebrand elected to the National Academy of Sciences
John G. Hildebrand, the University of Arizona neurobiologist known for his seminal work on the neurobiology and development of insect olfactory systems and their effects on insect behavior, was elected to the National Academy of Sciences on May 1, 2007.

Argonne, Northwestern seek ANSER to solar energy challenges
Helping the world meet increasing energy needs through solar energy will be the goal of a new joint collaborative established by the US Department of Energy's Argonne National Laboratory and Northwestern University.

MU researchers examine the environmental effects of silver nanoparticles
Realize it or not, it's a nano world. Many everyday consumer items now utilize the emerging science of nanotechnology, and so, researchers at the University of Missouri-Columbia will examine whether the technology poses future problems for the environment.

NASA study suggests extreme summer warming in the future
A new study by NASA scientists suggests that greenhouse-gas warming may raise average summer temperatures in the eastern United States nearly 10 degrees Fahrenheit by the 2080s.

WHO data confirms low level of resistance to Tamiflu
New data published by the World Health Organisation has confirmed a low frequency of resistance to Tamiflu (oseltamivir) over three influenza seasons (2003-2006).

Rover Spirit finds evidence of pyroclastic activity on Mars
A plateau on Mars known as Home Plate was likely the site of explosive volcanic activity, say scientists.

New relief for unexplained chest pain
The discomfort caused by esophageal -- noncardiac -- chest pain is often severe, driving many patients to emergency rooms and physicians' offices despite the fact that the ailment has no definable pathology.

FDG-PET imaging clearly predicts lung cancer patients' response to chemotherapy
An earlier indication of whether chemotherapy benefits non-small cell lung cancer patients -- provided by positron emission tomography (PET) imaging -- can guide doctors in offering them better care, according to researchers in the May Journal of Nuclear Medicine.

Study finds regions of DNA that appear linked to autistic spectrum disorders
Using an innovative statistical approach, a research team from Washington University School of Medicine in St.

Parents preach prudence -- peers promote pleasure
If you have teenage boys and are unsure about what topics to cover when discussing

HPV infection linked to throat cancers
Researchers at the Johns Hopkins Kimmel Cancer Center have conclusive evidence that human papillomavirus (HPV) causes some throat cancers in both men and women.

Uveal melanoma patients at higher risk for colon cancer
Uveal melanoma is the most common intraocular cancer in adults.

Bridges will rock -- safely -- with new quake design
Bridges that

Diminishing dinosaur steps saved by laser and laptop
Fading dinosaur tracks unearthed in a Spanish quarry have been digitally preserved by experts from the University of Manchester using the latest laser technology.

The opossum genome sequence casts light on evolution, immunity and disease
Genome Research is publishing three papers related to the genome of the gray short-tailed opossum, Monodelphis domestica, a small, nocturnal marsupial found in South America.

Effectiveness of first renin inhibitor drug for treating hypertension is limited
Hypertension is a serious condition affecting millions. There are seven classes of drugs used to reduce blood pressure.

Plants tag insect herbivores with an alarm
Rooted in place, plants can't run from herbivores -- but they can fight back.

Faster and better emergency response through satellite telecoms
When emergency teams are well informed and governments can coordinate their efforts, lives and property can be saved.

New bacteria test could improve quality of fruit and vegetable juice
Increasingly, consumer products, especially food and beverage products, are being scrutinized for better quality.

LSU professor involved in genome sequencing of the first marsupial
Since the launch of the Human Genome Project, which released a first draft of the entire sequence of human DNA in 2001, many researchers have dedicated themselves to creating a library of comprehensive, species-specific genetic sequence

Study shows continued success for new HPV vaccine against virus responsible for cervical cancer
A new vaccine aimed at preventing cervical cancer is nearly 100 percent effective against the two types of the human papillomavirus responsible for most cases of cervical cancer.

Study shows marine omega-3 fatty acids have positive effect on muscle mass
A research team led by Carole Thivierge, from Université Laval's Institute of Nutraceutics and Functional Foods, shows that omega-3 fatty acids from fish oil have a positive effect on the metabolism of muscle proteins.

Extreme winds rule exoplanet's weather
Supersonic winds are blasting through a Jupiter-sized planet 60 light years away, scientists report in the May 10 issue of Nature.

Survival of the rarest: Fruit flies shed light on the evolution of behavior
New study reveals why it's beneficial to stand out in nature.

Carnegie Mellon's David Sholl identifies new materials
Carnegie Mellon University's David S. Sholl is working to identify new materials that would help make hydrogen more stable and cost-efficient.

University of Pittsburgh discovers genetic 'shut down' trigger in healthy immune cells
A fundamental genetic mechanism that shuts down an important gene in healthy immune system cells has been discovered that could one day lead to new therapies against infections, leukemia and other cancers.

'Marked departure' in Medicare practice of paying physicians in Geriatric Care Improvement Act
Enactment of SB 1340 will represent a marked departure from Medicare's practice of paying physicians only for episodic and acute care, the Senate Special Committee on Aging was told today by the American College of Physicians in a statement submitted for the record.

New '1/f noise' discovery promises to improve semiconductor-based sensors
More sensitive sensors and detectors based on semiconductor electronics could result from new findings by researchers from the United States, Norway and Russia.

Coarse particulate matter in air may harm hearts of asthma sufferers, UNC study finds
Breathing air containing coarse particulate matter such as road or construction dust may cause heart problems for asthma sufferers and other vulnerable populations, according to a new study led by the University of North Carolina at Chapel Hill School of Public Health.

InfoSNM highlights advances in computer, information sciences for molecular imaging
The explosive growth in the power of digital computers used for molecular imaging and nuclear medicine will be showcased at SNM's 54th Annual Meeting June 2-6 in the Washington Convention Center in Washington, D.C.

Anthropologist given one of nation's top scientific honors
Kent State University Professor of Anthropology Dr. C. Owen Lovejoy, who is internationally recognized as one of today's preeminent biological anthropologists in the study of human origins, has been elected to membership in the prestigious National Academy of Sciences (NAS) for excellence in original scientific research.

DNA repair proteins monitored at double-strand break
Investigators at St. Jude Children's Research Hospital had a molecule's eye view of the human cell's DNA repair kit as it assembled on a double-strand break to link together the broken ends.

A few more minutes of maternal attachment may reduce anemia in children
A study conducted at the University of Granada recommends clamping two minutes after delivery instead of 20 seconds, as it is usually done.

Impact of globalization on the world's poor
A presentation of strategies for

Study confirms health benefits of whole grains
A diet high in whole grain foods is associated with a significantly lower risk of developing cardiovascular disease, including heart disease and stroke, according to an analysis conducted by researchers at Wake Forest University School of Medicine.

Comparison of patients' access to new and better cancer drugs reveals inequalities between countries
Patients around the world face stark inequalities in access to cancer treatment, according to a report published in the cancer journal, Annals of Oncology.

Understanding the global carbon budget -- Woods Hole Research Center expert provides insights
As climate change becomes a more central issue in local, national, and international discussions, understanding the global carbon budget, and how it influences global warming, will become increasingly crucial.

20 years of Yucca Mountain research now available for scientific review
The scientific community can now take a long-awaited look at the research behind the selection of Yucca Mountain, Nev., as the nation's high-level radioactive waste repository.

UCF professor finds that hottest measured extrasolar planet is 3700 degrees
A UCF professor and his team have discovered the hottest exoplanet measured to be 3,700 degrees.

UCLA surgeon honored with American Association for Thoracic Surgery's Achievement Award
Dr. Gerald D. Buckberg, distinguished professor of surgery in the division of cardiothoracic surgery at the David Geffen School of Medicine at UCLA, was awarded the 2007 Scientific Achievement Award by the American Association for Thoracic Surgery in Washington D.C. on May 8.

Majority of herb users don't follow evidence-based indications, researchers find
Sales of herbal dietary supplements have skyrocketed by 100 percent in the United States during the last 10 years, but most people don't consider evidence-based indications before using them, according to a University of Iowa study published in this month's Mayo Clinic Proceedings.

X-rays provide a new way to investigate exploding stars
ESA's X-ray observatory XMM-Newton has revealed a new class of exploding stars -- where the X-ray emission

Clinical trial data regarding NKTR-061 will be presented at ATS International Conference
Results of a Phase 2a clinical trial evaluating the potential of NKTR-061 (inhaled amikacin) to treat hospital acquired gram-negative bacterial pneumonia will be presented at the American Thoracic Society International Conference, May 18-23, 2007, in San Francisco.

Species thrive when sexual dimorphism broadens their niches
Some Caribbean lizards' strong sexual dimorphism allows them to colonize much larger niches and habitats than they might otherwise occupy, allowing males and females to avoid competing with each other for resources and setting the stage for the population as a whole to thrive.

Menzies School of Health Research receives $5.3 million in Federal Budget
Australia's leader in Indigenous health research, the Darwin based Menzies School of Health Research, has received $5.3 million of infrastructure funding in the Federal Government budget, including $5 million for an extension to their current building.

Tissue engineered scaffolding allows reproduction of cartilage tissue
A new study examines the use of tissue-engineered scaffolding made of cartilage cells, which have a limited ability to heal naturally, to replace defective cartilage tissue.

Fine motor skills, social acceptance lower in children with 'lazy eye'
A recent study evaluating the fine motor skills and perceived self esteem of children with amblyopia (or

Caring for the sick now a public health priority for developing countries
The epidemic rates of chronic disease such as diabetes, stroke and heart disease, as well as cancer and HIV/AIDS in many low-middle income countries, means they are experiencing a greater need for palliative care than most western countries.

Scientists identify prion's infectious secret
Prions are highly robust and infectious proteins, most notable for their central role in bovine spongiform encephalopathy, commonly called mad cow disease. 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