Brightsurf Science News & Current Events

November 24, 2011
Metabolic defects in mice corrected with transplanted embryonic neurons
A new study has revealed that immature neurons taken from healthy mouse embryos can repair damaged brain circuitry and partially normalize metabolism when transplanted into adult mice that have grown morbidly obese due to a genetic deficiency.

HIV group N case detected outside Cameroon for the first time
A rare type of HIV-infection -- group N -- has been diagnosed in a man in France who recently traveled to Togo, meaning that it has been detected outside Cameroon for the first time.

Climate sensitivity to CO2 more limited than extreme projections
The rate of global warming from doubling of atmospheric carbon dioxide may be less than the most dire estimates of some previous studies - and, in fact, may be less severe than projected by the Intergovernmental Panel on Climate Change report in 2007.

A how-to guide to slashing California's greenhouse gas emissions by 2050
A new study analyzes the infrastructure and technology changes needed to cut California's greenhouse gas emissions 80 percent below 1990 levels by 2050.

Surprise role of nuclear structure protein in development
Scientists have long held theories about the importance of proteins called B-type lamins in the process of embryonic stem cells replicating and differentiating into different varieties of cells.

Genetic code of first arachnid cracked
An international team of scientists -- including Ghent VIB scientists -- has succeeded in deciphering the genome of the spider mite.

Doctor migration to developed nations costs sub-Saharan Africa billions of dollars
Sub-Saharan African countries that train and invest in their doctors end up losing billions of dollars as the clinicians leave to work in developed nations, finds research published on today.

The ABCC9 of sleep
A collaborative European study led by LMU researchers has shown that ABCC9, a known genetic factor in heart disease and diabetes, also influences the duration of sleep in humans.

Pregnant women at low risk of complications can safely be offered a choice of where to give birth
Women with low risk pregnancies should be able to choose where they give birth, concludes a study published on today.

Ancient environment found to drive marine biodiversity
Much of our knowledge about past life has come from the fossil record -- but how accurately does that reflect the true history and drivers of biodiversity on Earth?

Keeping one's eyes on the goal -- despite stress
Stressed people fall into habits and their behavior is not goal-directed.

Researchers reduce smartphones' power consumption by more than 70 percent
Researchers at Aalto University in Finland have designed a network proxy that can cut the power consumption of 3G smartphones up to 74 percent.

How bats 'hear' objects in their path
By placing real and virtual objects in the flight paths of bats, scientists at the universities of Bristol and Munich have shed new light on how echolocation works.

Science magazine honors website that makes physics come alive
Physics professor Wolfgang Christian learned about the wonder of science when he was very young.

University wins Queen's Anniversary Prize for its nuclear work
The University of Manchester's Dalton Nuclear Institute, comprising around 100 academic staff and more than 300 research staff and students, has been announced as a winner of the Queen's Anniversary Prizes for Further and Higher Education.

Mast from classic racing yacht holds one of the keys to sustainable biofuels
The mast from a classic racing yacht and samples from a Forestry Commission breeding trial have played a key role in the search for sustainable biofuels.

Playing music alters the processing of multiple sensory stimuli in the brain
Piano practicing fine-tunes the brain circuitries that temporally bind signals from our senses.

Pregnancy is a drag for bottlenose dolphins
Every mum knows pregnancy is a drag, but how much harder is it for pregnant dolphins pulling themselves through water?

Local funding for key women's health research
The Peninsula Foundation, the charitable arm of the Peninsula College of Medicine and Dentistry, has secured funding of £15,000 from the Duchy Health Charity for research into polycystic ovary syndrome and diabetes.

Harmful patterns of painkiller prescriptions seen among methadone patients
A new study has shown harmful prescription patterns of powerful painkillers among a substantial number of Ontario patients who received methadone therapy to treat their opioid addiction.

Rebuilding the brain's circuitry
Scientists have rebuilt genetically diseased circuitry in a section of the mouse hypothalamus, an area controlling obesity and energy balance, demonstrating that complex and intricately wired circuitry of the brain long considered incapable of cellular repair can be rewired with the right type of neuronal

Researchers set to improve paediatric care in Canada
When it comes to providing healthcare for children across Canada, a team of researchers say there's an apparent gap between the levels of care received by children in urban and rural areas.

Researchers decode a puzzling movement disorder
Scientists from the Life & Brain Research Center and Neurology Clinic of Bonn University have now taken a roundabout path: They reprogrammed skin cells from patients with a hereditary movement disorder into so-called induced pluripotent stem cells and obtained functional nerve cells from them.

Stuck in the mud?
Professor Daniel Parsons in the Department of Geography at the University of Hull has just begun work on a large research grant to assess how the change in movement of these fine materials could impact on our estuaries and coastlines.

As the Global Fund cancels its 11th funding round due to lack of resources, the International AIDS Society urges donors and governments to allow the Global Fund to continue its lifesaving HIV work
Due to the increasing difference between donor commitments and actual disbursements from donors into the Global Fund for AIDS, TB and Malaria, the Global Fund is currently facing a critical financial situation which threatens the lives of millions of people living with HIV or at risk of becoming infected.

From modern metropolises to ultra-cold matter
To further enhance the promotion of early-career researchers in Germany, the Deutsche Forschungsgemeinschaft has approved the establishment of 16 new Research Training Groups.

More intensive chemotherapy dramatically improves recurrence and survival in younger patients with aggressive lymphoma
Younger patients with diffuse large B-cell lymphoma given a more intensive regimen of chemotherapy combined with rituximab survive significantly longer, and are approximately twice as likely to remain in remission three years later, compared with patients given standard chemotherapy treatment plus rituximab, according to an article published Online First in the Lancet.

Dantrolene protects neurons from Huntington's disease
Huntington's disease is characterized by ongoing destruction of specific neurons within the brain.

Checkmate! RUB researchers outsmart Intel copy protection HDCP
For over a decade, Intel's widely used copy protection HDCP has been trusted by the media industry, which carries out business in high-resolution digital video and audio content worth thousands of millions. 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