Brightsurf Science News & Current Events

January 04, 2013
Best evidence yet that dinosaurs used feathers for courtship
A University of Alberta researcher's examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates, much like modern-day peacocks and turkeys.

How prostate cancer therapies compare by cost and effectiveness
The most comprehensive retrospective study ever conducted comparing how the major types of prostate cancer treatments stack up to each other in terms of saving lives and cost effectiveness is reported this week by a team of researchers at the University of California, San Francisco.

SF State mathematician named one of nation's top educators
Associate professor of mathematics Matthias Beck is one of only three mathematicians nationwide to receive the Deborah and Franklin Tepper Haimo Award for Distinguished College or University Teaching of Mathematics.

Drainage ditches can help clean up field runoff
Vegetated drainage ditches can help capture pesticide and nutrient loads in field runoff, USDA scientists report.

Breast milk contains more than 700 bacteria
Spanish researchers have traced the bacterial microbiota map in breast milk, which is the main source of nourishment for newborns.

Rainfall, brain infection linked in sub-Saharan Africa
The amount of rainfall affects the number of infant infections leading to hydrocephalus in Uganda, according to a team of researchers who are the first to demonstrate that these brain infections are linked to climate.

Induction of adult cortical neurogenesis by an antidepressant
The production of new neurons in the adult normal cortex in response to the antidepressant, fluoxetine, is reported in a study published online this week in Neuropsychopharmacology.

Waterfall-climbing fish use same mechanism to climb waterfalls and eat algae
Going against the flow is always a challenge, but some waterfall-climbing fish have adapted to their extreme lifestyle by using the same set of muscles for both climbing and eating, according to research published Jan.

Outsourced radiologists perform better reading for fewer hospitals
Experience working for a particular hospital matters when it comes to the performance of radiologists who work for outsourcing teleradiology companies, according to a team of researchers, whose finding could have important implications, given the growing use of telemedicine.

Superconductors for efficient wind power plants
An efficient, robust, and compact wind power plant with a 10 MW superconducting generator is being developed by partners from industry and science within the recently established EU project SUPRAPOWER.

A temperature below absolute zero
Atoms at negative absolute temperature are the hottest systems in the world.

Researchers seek longer battery life for electric locomotive
Norfolk Southern Railway No. 999 is the first all-electric, battery-powered locomotive in the United States.

Possibility of surfaces that can be manipulated
Using new combinations of well-known polymers is one way of producing new materials.

Shifting the balance between good fat and bad fat
Researchers at Sanford-Burnham Medical Research Institute have a new theory about what causes the body to store more fat and burn less energy in obesity -- a protein called p62.

A new way to study permafrost soil, above and below ground
A group of researchers that includes scientists from Berkeley Lab have developed a new way to explore the little-known world of permafrost soils, which store almost as much carbon as the rest of the world's soils and about twice as much as is in the atmosphere.

Pronunciation of 's' sounds impacts perception of gender, CU-Boulder researcher finds
A person's style of speech -- not just the pitch of his or her voice -- may help determine whether the listener perceives the speaker to be male or female, according to a University of Colorado Boulder researcher who studied transgender people transitioning from female to male.

USF and VA researchers find long-term consequences for those suffering traumatic brain injury
Researchers from the University of South Florida and colleagues at the James A.

January 2013 story tips from Oak Ridge National Laboratory
Many of the nation's foremost authorities on cyber security will gather in Oak Ridge Jan.

Ben-Gurion U. researchers use data from traffic app to identify high frequency accident locations
Using Waze data and Google Earth, the BGU researchers determined that three-quarters of the locations in Israel with the highest number of accidents were intersections.

DARPA selects SwRI K-band space crosslink radio for flight development as part of System F6 program
The US Defense Advanced Research Projects Agency recently selected Southwest Research Institute to provide the flight low-rate crosslink wireless communications platform for the System F6 Program.

When will genomic research translate into clinical care -- and at what cost?
Researchers at Beth Israel Deaconess Medical Center find that the same tools that can successfully predict hurricanes and election outcomes can be applied to pharmacogenomics and clinical outcomes.

Why good resolutions about taking up a physical activity can be hard to keep
Physical inactivity is a major public health problem that has both social and neurobiological causes.

Photosynthesis: The last link in the chain
For almost 30 years, researchers have sought to identify a particular enzyme that is involved in regulating electron transport during photosynthesis.

Scripps physicians call for change in cancer tissue handling
Scripps Clinic physicians write in this week's edition of JAMA that traditional specimen handling methods threaten to slow the benefits of using genetic sequencing to diagnose and treat cancer.

UCSB researchers perform pioneering research on Type 2 diabetes
While legions of medical researchers have been looking to understand the genetic basis of disease and how mutations may affect human health, a group of biomedical researchers at UC Santa Barbara is studying the metabolism of cells and their surrounding tissue, to ferret out ways in which certain diseases begin.

'Science Communication: A Practical Guide for Scientists'
Wiley is pleased to announce the publication of

Research update: Jumping droplets help heat transfer
Scalable nanopatterned surfaces designed by MIT researchers could make for more efficient power generation and desalination.

Western neuroscience study reveals new link between basic math skills and PSAT math success
New research from Western University provides brain imaging evidence that students well-versed in very basic single digit arithmetic (5+2=7 or 7-3=4) are better equipped to score higher on the Preliminary Scholastic Aptitude Test, an examination sat by millions of students in the United States each year in preparation for college admission tests.

Waste removal in worms reveals new mechanism to regulate calcium signaling
Calcium is so much more than the mineral that makes our bones and teeth strong: It's a ubiquitous signaling molecule that provides crucial information inside of and between cells.

Research shows that a prolonged fertility window can cause recurrent miscarriage
Researchers at Warwick Medical School have discovered that recurrent pregnancy loss can be due to a dysfunctional monthly fertility window.

Gene therapy reprograms scar tissue in damaged hearts into healthy heart muscle
A cocktail of three specific genes can reprogram cells in the scars caused by heart attacks into functioning muscle cells, and the addition of a gene that stimulates the growth of blood vessels enhances that effect, said researchers from Weill Cornell Medical College, Baylor College of Medicine and Stony Brook University Medical Center in a report that appears online in the Journal of the American Heart Association.

NASA sees Cyclone Dumile moving over open ocean
Cyclone Dumile is on a solo journey in a southeasterly direction over the open waters of the Southern Indian Ocean over the weekend of Jan.

NASA catches Tropical Storm Sonamu in South China Sea
Sonamu has left the Philippines and Palawan behind and NASA satellite imagery showed the storm intensified into a tropical storm while moving through the easternmost South China Sea.

Website launched to help patients prepare for complex medical decisions
A new patient-friendly online resource called PREPARE has been developed to help people make complex medical decisions.

Clinical Nutrition, 2nd Edition
One of the most important factors in recovering from illness is nutrition, and understanding the scientific basis which underpins nutritional support is a key requirement for nutrition students and professionals. 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