Monthly Archives: February 2016

Mental abilities are shaped by individual differences in the brain

Everyone has a different mixture of personality traits: some are outgoing, some are tough and some are anxious. A new study suggests that brains also have different traits that affect both anatomical and cognitive factors, such as intelligence and memo...

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Antidepressant may improve cognitive symptoms in people with HIV

The antidepressant paroxetine modestly improves decision-making and reaction time, and suppresses inflammation in people with HIV-associated cognitive impairment, physicians report at the conclusion of a small, placebo-controlled clinical trial.

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Proofreading molecules tug on RNA to ensure protein production accuracy

Scientists have discovered how two enzymes play a critical role in ensuring quality control during splicing. In a new study, they found these molecules most likely apply physical tension to RNA to keep wrong sites from being cut. This action not only p...

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Potential diagnostic for dengue fever outcomes based on metabolomic profiles

Dengue fever is a mosquito-borne tropical disease that can develop into the life-threatening dengue hemorrhagic fever/dengue shock syndrome. There are currently no standard biomarkers or algorithms for the prognosis of the progression to hemorrhagic fe...

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Experimental Ebola antibody protects monkeys

Scientists have discovered that a single monoclonal antibody isolated from a human Ebola virus disease survivor protected non-human primates when given as late as five days after lethal Ebola infection. The antibody can now advance to testing in humans...

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Bacteria take ‘RNA mug shots’ of threatening viruses

Scientists have discovered that bacteria have a system that can recognize and disrupt dangerous viruses using a newly identified mechanism involving RNA. It is similar to the CRISPR/Cas system that captures foreign DNA. The discovery might lead to bett...

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Water-cleaning chemical made ‘on-demand’ with new group of catalysts

A quick, cheap and highly efficient method for producing a water-purifying chemical has been developed by researchers. The work opens up the possibility of manufacturing the chemical in some of the poorest, remote and disaster-stricken areas of the wor...

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Zika virus linked to stillbirth, other symptoms in Brazil

In January, a pregnant Brazilian woman infected with the Zika virus had a stillborn baby who had signs of severe tissue swelling as well as central nervous system defects that caused near-complete loss of brain tissue. It is the first report to indicat...

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Graphene slides smoothly across gold

Graphene, a modified form of carbon, offers versatile potential for use in coating machine components and in the field of electronic switches. Physicists have been studying the lubricity of this material on the nanometer scale. Since it produces almost...

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Moving around more linked to longer life

Medical researchers found that for adults aged 50 to 79 moving more, even 10 minutes of light activity daily, predicts lower mortality rates.

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Race, gender of scientists affect perception of credibility

Ideology is a key factor in determining how people assess the credibility of scientific researchers, according to a new study. Results indicate that people who tend toward an elitist world view are more inclined to judge white male researchers as more ...

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