Add BrightSurf on Google Email

Science News Archive April 2013 - Page 10


Page 10 of 32

Bugs produce diesel on demand

A team from the University of Exeter has developed a method to make bacteria produce diesel on demand, using special strains of E. coli. The resulting diesel is almost identical to conventional diesel fuel and can be used with current supplies without modification.

SourceUniversity of Exeter·JournalProceedings of the National Academy of Sciences·DateApr 22, 2013

Health impact assessments prove critical public health tool

A recent study by the Colorado School of Public Health found that health impact assessments can identify potential health risks associated with natural gas development. The assessment identified health effects such as headaches and respiratory issues in a western Colorado town, highlighting the importance of considering public health i...

SourceUniversity of Colorado Anschutz Medical Campus·JournalAmerican Journal of Public Health·DateApr 22, 2013

Stanford researchers develop new method to assess options for heart-disease surgery

A new method to predict which patients with heart disease benefit more from surgery versus angioplasty has been developed by Stanford researchers. The study, published in Annals of Internal Medicine, found that individual characteristics such as gender, age, and diabetes history significantly impact the effectiveness of these procedures.

SourceStanford Medicine·JournalAnnals of Internal Medicine·DateApr 22, 2013

UCSB scientist identifies protein molecule used to maintain adult stem cells in fruit flies

A UCSB researcher has identified a protein molecule that helps maintain adult stem cells in fruit flies, revealing insights into regenerative medicine. The study found that this protein, castor, plays a critical role in specifying brain cell types during embryonic development and maintaining follicle stem cells throughout life.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateApr 22, 2013

Ecology, economy and management of an agro-industrial Amazon frontier

The study highlights the importance of sustainable land management in reducing deforestation and preserving ecosystems. Agricultural intensification, combined with policies and incentives, can minimize environmental degradation and secure the health of forests and streams in the Amazon and other tropical regions.

SourceWoodwell Climate Research Center·JournalPhilosophical Transactions of the Royal Society of London (B )·DateApr 22, 2013

Bacteria may contribute to premature births, STDs

Research at Washington University School of Medicine suggests that Gardnerella vaginalis bacteria is likely the cause of bacterial vaginosis, a condition linked to preterm birth and increased risk of sexually transmitted diseases. The condition affects one in every three women and often does not cause significant symptoms.

SourceWashU Medicine·JournalPLOS ONE·DateApr 22, 2013

Positive effect of white button mushrooms when substituted for meat on body weight and composition changes during weight loss and weight maintenance

Participants who substituted white button mushrooms for meat lost seven pounds and showed improvements in body composition compared to those on the standard diet. The study found that mushroom substitution resulted in lower calorie and fat intake, as well as a reduction in waist circumference and body mass index.

SourceEdelman Public Relations, New York·JournalThe FASEB Journal·DateApr 22, 2013

New review sets international standards for best practice in fracture liaison services

A new report sets 13 achievable standards for best practice in implementing fracture liaison services worldwide to identify and treat patients at high risk of secondary fractures. The initiative aims to provide essential resources, establish mentoring programs, and promote global recognition for fracture liaison services.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateApr 22, 2013

Researchers discover mushrooms can provide as much vitamin D as supplements

Researchers from Boston University School of Medicine discovered that eating mushrooms containing Vitamin D2 can increase and maintain vitamin D levels comparable to taking supplements. The study found that ingesting mushroom powder containing Vitamin D2 was as effective in raising and maintaining healthy adults' vitamin D status.

SourceBoston University School of Medicine·JournalDermato-Endocrinology·DateApr 22, 2013

U. of Illinois researchers measure near-field behavior of semiconductor plasmonic microparticles

Researchers at the University of Illinois have developed a new technique to measure nanometer-scale infrared absorption in semiconductor plasmonic microparticles. This allows for direct observation of plasmonic behavior within microparticle infrared antennas, enabling confirmation of theoretical models and design parameters.

SourceUniversity of Illinois Grainger College of Engineering·JournalApplied Physics Letters·DateApr 22, 2013

New immune cells hint at eczema cause

Researchers have identified a new type of immune cell in the skin that plays a role in fighting parasitic invaders and could be linked to eczema. The discovery sheds light on the causes of allergic skin diseases and offers new hope for treating hundreds of millions of people worldwide.

SourceCentenary Institute·JournalNature Immunology·DateApr 21, 2013

Starting with 2 health behaviors may be better than 1

The study found that delivering physical activity and dietary interventions simultaneously may result in the most positive sustained outcomes across two important health behaviors. Participants who received simultaneous advice successfully increased both their dietary and physical activity levels to national recommendations by 12 months.

SourceSpringer·JournalAnnals of Behavioral Medicine·DateApr 21, 2013

A check on tension

Researchers Arshad Desai and Christopher Campbell found that Aurora B kinase congregates on microtubules instead of the centromere, ensuring required tension is achieved on chromosomes. This discovery challenges prevailing model for how dividing cells monitor chromosome distribution.