Add BrightSurf on Google Email

Science News Archive January 2012 - Page 16


Page 16 of 24

Caltech chemists devise chemical reaction that holds promise for new drug development

A team of Caltech researchers has developed a method for synthesizing nitrogen-containing heterocycles, a subclass of organic compounds that could lead to new pharmaceuticals and natural products. The reaction enables chemists to create complex structures with high selectivity, solving a long-standing challenge in medicinal chemistry.

SourceCalifornia Institute of Technology·JournalNature Chemistry·DateJan 12, 2012

Electron's negativity cut in half by supercomputer

Physicists at Duke University used supercomputers to simulate an ultra-cold atom and split a virtual electron in half, creating two particles with half the negative charge. This discovery provides clues about the behavior of fundamental particles and challenges traditional notions of particle indivisibility.

SourceDuke University·JournalScience·DateJan 12, 2012

Study finds chlorophyll can help prevent cancer - but questions traditional research methods

A recent study published in Food and Chemical Toxicology found that chlorophyll can protect against cancer when exposed to moderate levels of carcinogens, reducing liver and stomach tumors by 29-64% and 24-45%, respectively. However, high doses of chlorophyll increased tumor growth, questioning traditional lab research methods.

SourceOregon State University·JournalFood and Chemical Toxicology·DateJan 12, 2012

Particle-free silver ink prints small, high-performance electronics

The University of Illinois has created a reactive silver ink that can print small, high-performance electronics on flexible plastics, papers, or fabrics without the need for metal particles. The ink is faster to make, more stable, and suitable for smaller nozzles, making it ideal for printed microelectronics.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of the American Chemical Society·DateJan 12, 2012

Grapes may help prevent age-related blindness

A study published in Free Radical Biology and Medicine suggests that grapes can provide more antioxidant protection for the eyes than lutein, a common supplement. Grapes were found to offer dramatic protection against oxidative damage of the retina and prevent blindness in mice consuming them.

SourceFleishman-Hillard, Inc.·JournalFree Radical Biology and Medicine·DateJan 12, 2012

Cold winters caused by warmer summers, research suggests

A new study found that warmer temperatures in the autumn can lead to colder winters due to increased snowfall at lower latitudes. The researchers observed strong warming in the Arctic during July-September and its impact on precipitation over Eurasia, resulting in an increase in average snow coverage.

SourceIOP Publishing·JournalEnvironmental Research Letters·DateJan 12, 2012

Rice's Deem wins Texas academy's O'Donnell Award

Michael Deem, a computational theorist, is being honored with the engineering award for fundamental theoretical work on vaccine design, mathematical biology, and nanoporous materials structure. His research has led to breakthroughs in understanding immunology, evolution, and materials science.

Research prevents eco-fraud

The AuthenticFood project aims to develop reliable analysis methods to determine a food product's geographical origin and organic status. By analyzing the chemical composition of fruits and vegetables, researchers can trace differences between conventional and organic growing methods.

Scientists confirm tobacco use by ancient Mayans

Researchers analyzed Mayan containers for nicotine traces, revealing physical evidence of tobacco use dating back to the Late Classic Maya period (600-900 AD). The study confirms the intended use of an ancient container and highlights the importance of mass spectrometry in analyzing organic residues.

SourceWiley·JournalRapid Communications in Mass Spectrometry·DateJan 12, 2012

Scientists learn how stem cell implants help heal traumatic brain injury

Researchers at the University of Texas Medical Branch at Galveston identified key molecular mechanisms by which implanted human neural stem cells aid recovery from traumatic axonal injury. The study found that stem cell transplantation prevents further axonal injury and promotes axonal regrowth through the secretion of glial derived ne...

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of Neurotrauma·DateJan 12, 2012

Ergonomics in Design special issue on driver distraction now online

This special issue of Ergonomics in Design highlights the challenges of balancing economic pressures with human attention limits. The articles explore techniques to prevent or mitigate driver distraction through design, education, and legislation, as well as strategies for outreach and policy development.

SourceHuman Factors and Ergonomics Society·JournalErgonomics in Design The Quarterly of Human Factors Applications·DateJan 12, 2012

Discrimination may harm your health, according to new Rice study

A new study by Rice sociologists finds that racial discrimination is associated with higher levels of emotional upset and physical symptoms among black adults (18%), compared to white adults (4%). The research highlights the need to acknowledge and study the impact of discriminatory behavior on long-term health outcomes.

SourceRice University·JournalJournal of Health and Social Behavior·DateJan 12, 2012

Hydrogen advances graphene use

Researchers at Linköping University found that hydrogen renders graphene more useful by making its atomic van der Waals forces repulsive, allowing sheets to float freely apart. This discovery has several potential applications, including storage of hydrogen as vehicle fuel and manufacture of friction-free components on a Nano scale.

SourceLinköping University·JournalPhysical Review A·DateJan 12, 2012

We may be less happy, but our language isn't

A new study found that the English language is strongly biased towards being positive, with popular sources like Twitter and music lyrics showing a preponderance of happier words. The research complements a previous study on global happiness trends, suggesting short-term average happiness has dropped but the fundamental positivity of t...

SourceUniversity of Vermont·JournalPLOS ONE·DateJan 12, 2012

The microbiome and disease: Gut bacteria influence the severity of heart attacks in rats

Research published in the FASEB Journal reveals that intestinal microbiota play a crucial role in determining the outcome of heart attacks in rats. The study found that probiotics can tilt the scales in favor of improved cardiovascular health, reducing heart attack risk and improving recovery from myocardial infarction.

Technology boost for math skills

The Economic & Social Research Council announces twenty new projects to develop quantitative methods (QM) skills in social science undergraduates. The projects aim to create online and interactive teaching resources, videos, and podcasts using technology to facilitate QM curriculum development and expansion of QM teachers.

Planet population is plentiful

A team of astronomers using gravitational microlensing detected three exoplanets, including a super-Earth and planets comparable to Neptune and Jupiter. Combining this data with previous findings, the researchers conclude that planets are more common than stars in the Milky Way.

SourceESO·JournalNature·DateJan 11, 2012

Treatment with light benefits Alzheimer's patients, Wayne State University finds

A recent study published in the Western Journal of Nursing Research found that exposure to blue-green light has therapeutic effects on Alzheimer's disease patients. Patients treated with this type of light showed improved recognition, recollection, and motor coordination, as well as enhanced moods and personalities.

SourceWayne State University - Office of the Vice President for Research·JournalWestern Journal of Nursing Research·DateJan 11, 2012

Diet counts: Iron intake in teen years can impact brain in later life

Researchers found that low iron levels in adolescence can affect the brain's physical structure, leading to changes in brain regions vulnerable to neurodegeneration. High iron levels during adolescence may also impact brain wiring and myelin production, potentially increasing the risk of diseases like Alzheimer's and Parkinson's.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateJan 11, 2012