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Study shows how bilinguals switch between languages

Individuals who learn two languages at an early age seem to switch back and forth between separate "sound systems" for each language, according to new research conducted at the University of Arizona.

Neuroscience | Source: Association for Psychological Science | Views: 66 | Comments: 0
Slow earthquakes: It's all in the rock mechanics

Earthquakes that last minutes rather than seconds are a relatively recent discovery, according to an international team of seismologists. Researchers have been aware of these slow earthquakes, only for the past five to 10 years because of new tools and new observations, but these tools may explain the triggering of some normal earthquakes and could help in earthquake prediction.

Genetics | Source: Penn State | Views: 60 | Comments: 0
Amazon River exhales virtually all carbon taken up by rain forest

The Amazon rain forest, popularly known as the lungs of the planet, inhales carbon dioxide as it exudes oxygen. Plants use carbon dioxide from the air to grow parts that eventually fall to the ground to decompose or get washed away by the region's plentiful rainfall.

Environment | Source: University of Washington | Views: 72 | Comments: 0
Opening doors to foldable electronics with inkjet-printed graphene

Imagine a bendable tablet computer or an electronic newspaper that could fold to fit in a pocket.

Materials Science | Source: Northwestern University | Views: 58 | Comments: 0
Fossil brain teaser

A new study conducted at the University of Bristol and published online today in the Journal of Evolutionary Biology sheds light on how the brain and inner ear developed in dinosaurs.

Paleontology | Source: University of Bristol | Views: 58 | Comments: 0
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Fossil brain teaser

A new study conducted at the University of Bristol and published online today in the Journal of Evolutionary Biology sheds light on how the brain and inner ear developed in dinosaurs.

Paleontology | Source: University of Bristol | Views: 58 | Comments: 0
Molecular trigger for Alzheimer's disease identified

Researchers have pinpointed a catalytic trigger for the onset of Alzheimer's disease – when the fundamental structure of a protein molecule changes to cause a chain reaction that leads to the death of neurons in the brain.

Genetics | Source: University of Cambridge | Views: 87 | Comments: 0
Parasitic wasps use calcium pump to block fruit fly immunity

Parasitic wasps switch off the immune systems of fruit flies by draining calcium from the flies' blood cells, a finding that offers new insight into how pathogens break through a host's defenses.

Genetics | Source: Emory Health Sciences | Views: 62 | Comments: 0
Protein study suggests drug side effects are inevitable

A new study of both computer-created and natural proteins suggests that the number of unique pockets – sites where small molecule pharmaceutical compounds can bind to proteins – is surprisingly small, meaning drug side effects may be impossible to avoid. The study also found that the fundamental biochemical processes needed for life could have been enabled by the simple physics of protein folding.

Health | Source: Georgia Institute of Technology | Views: 105 | Comments: 0
Do salamanders hold the solution to regeneration?

Salamanders' immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their hearts, scientists have found.

Immunology | Source: Monash University | Views: 63 | Comments: 0
Older prostate cancer patients should think twice before undergoing treatment

Older prostate cancer patients with other underlying health conditions should think twice before committing to surgery or radiation therapy for their cancer, according to a multicenter study led by researchers in the UCLA Department of Urology.

Cancer | Source: University of California - Los Angeles Health Sciences | Views: 59 | Comments: 0
Video: Principles of locomotion in confined spaces could help robot teams work underground

Future teams of subterranean search and rescue robots may owe their success to the lowly fire ant, a much-despised insect whose painful bites and extensive networks of underground tunnels are all-too-familiar to people living in the southern United States.

Robotics | Source: Georgia Institute of Technology | Views: 65 | Comments: 0
Team finds mechanism linking key inflammatory marker to cancer

In a new study described in the journal Oncogene, researchers reveal how a key player in cell growth, immunity and the inflammatory response can be transformed into a primary contributor to tumor growth.

Cancer | Source: University of Illinois at Urbana-Champaign | Views: 113 | Comments: 0
Genetic diversity within tumors predicts outcome in head and neck cancer

A new measure of the heterogeneity – the variety of genetic mutations – of cells within a tumor appears to predict treatment outcomes of patients with the most common type of head and neck cancer. In the May 20 issue of the journal Cancer, investigators at Massachusetts General Hospital (MGH) and Massachusetts Eye and Ear Infirmary describe how their measure was a better predictor of survi

Cancer | Source: Massachusetts General Hospital | Views: 85 | Comments: 0
Whole-cell vaccine was more effective than acellular vaccine during CA pertussis outbreak

Whole-cell pertussis vaccines were more effective at protecting against pertussis than acellular pertussis vaccines during a large recent outbreak, according to a new Kaiser Permanente study published in Pediatrics.

Epidemiology | Source: Kaiser Permanente | Views: 81 | Comments: 0
Kinks and curves at the nanoscale

One of the basic principles of nanotechnology is that when you make things extremely small—one nanometer is about five atoms wide, 100,000 times smaller than the diameter of a human hair—they are going to become more perfect.

Materials Science | Source: University of Vermont | Views: 84 | Comments: 0
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