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Fri, 29 Jul 2016 19:01:49 EDT
Quantum theory and Einstein's special relativity applied to plasma physics issues
Among the intriguing issues in plasma physics are those surrounding X-ray pulsars -- collapsed stars that orbit around a cosmic companion and beam light at regular intervals, like lighthouses in the sky. Physicists want to know the strength of the magnetic field and density of the plasma that surrounds these pulsars, which can be millions of times greater than the density of plasma in stars like the sun. Researchers have developed a theory of plasma waves that can infer these properties in greater detail than in standard approaches.
Fri, 29 Jul 2016 14:32:08 EDT
Something deep within: Nanocrystals grown in nanowires
Scientists have tailored extremely small wires that carry light and electrons. These new structures could open up a potential path to smaller, lighter, or more efficient devices, they say.
Fri, 29 Jul 2016 14:30:38 EDT
Electric grid vulnerabilities in extreme weather areas
Climate and energy scientists have developed a new method to pinpoint which electrical service areas will be most vulnerable as populations grow and temperatures rise.
Fri, 29 Jul 2016 14:30:34 EDT
Replication project investigates self-control as limited resource
A new research replication project, involving 24 labs and over 2,100 participants, failed to reproduce findings from a previous study that suggested that self-control is a depletable resource.
Fri, 29 Jul 2016 14:30:30 EDT
Scientists identify immunological profiles of people who make powerful HIV antibodies
People living with HIV who naturally produce broadly neutralizing antibodies (bNAbs) that may help suppress the virus have different immunological profiles than people who do not, researchers report. While bNAbs cannot completely clear HIV infections in people who already acquired the virus, scientists believe a successful preventive HIV vaccine must induce bNAbs. Defining how to safely replicate these attributes in HIV-uninfected vaccine recipients may lead to better designed experimental vaccines to protect against HIV.
Fri, 29 Jul 2016 14:30:25 EDT
Researchers find molecular switch that triggers bacterial pathogenicity
The supercoiling of bacterial chromosomes around histone-like proteins can trigger the expression of genes that make the microbe invasive, new research shows. The discovery could provide a new target for the development of drugs to prevent or treat bacterial infection, say scientists.
Fri, 29 Jul 2016 13:29:37 EDT
Vaccination: Zika infection is caused by one virus serotype
Vaccination against a single strain of Zika virus should be sufficient to protect against genetically diverse strains of the virus, according to a new study.
Fri, 29 Jul 2016 13:29:12 EDT
New fossil evidence supports theory that first mass extinction engineered by early animals
Newly discovered fossil evidence from Namibia strengthens the proposition that the world's first mass extinction was caused by 'ecosystem engineers' -- newly evolved biological organisms that altered the environment so radically it drove older species to extinction.
Fri, 29 Jul 2016 13:29:10 EDT
Fish oil vs. lard: Why some fat can help or hinder your diet
A diet high in saturated fat can make your brain struggle to control what you eat, says a new study. Consuming fish oil instead of lard can make a significant difference, the study shows.
Fri, 29 Jul 2016 13:29:08 EDT
The heart-brain connection: The link between LQTS and seizures
Patients carrying certain mutations that cause Long QT Syndrome, a rare cardiac rhythm disorder, have an increased risk for developing seizures and have more severe cardiac symptoms.
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