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Also of interest from the Proceedings of the National Academy of Sciences

Intracranial monitoring of 520 neurons within the hippocampus and amygdala of nine people engaged in memory tests suggests that episodic memories are encoded in the hippocampus by small groups of...

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Registration opens for key regional osteoporosis meeting to be held in Taipei...

Registration has opened for the 5th Asia-Pacific Osteoporosis Meeting to be held at the Taipei International Convention Centre from November 14-16, 2014. The meeting programme features a broad range...

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Analysis finds mixed results for use of thrombolytic therapy for blood clot...

In an analysis that included data from 16 trials performed over the last 45 years, among patients with pulmonary embolism, receipt of therapy to dissolve the blood clot (thrombolysis) was associated...

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Use of tumor necrosis factor inhibitors for treatment of inflammatory bowel...

In a study that included more than 56,000 patients with inflammatory bowel disease, use of a popular class of medications known as tumor necrosis factor alpha antagonists was not associated with an...

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A new quartz crystal microbalance measuring method with expansive frequency...

Quartz crystal microbalance (QCM) as a new-type resonant mass meter reaches a nanogram-level precision and can be applied in both gas-phase and liquid-phase environments, thus receiving extensive...

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DNA blood test detects heart transplant rejection

A blood test that gauges differences in the circulating DNA of heart transplant recipients could be used to diagnose the likelihood of heart transplant rejection and reduce the need for costly and...

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Skulls with mix of traits illuminate human evolution

Researchers have analyzed the largest collection of ancient fossil hominin species ever recovered from a single excavation site, shedding light on the origin and evolution of Neandertals. They...

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Macaques with AIDS -- a model of the disease?

After trying for years, researchers have finally infected pigtailed macaqueswith an AIDS-like disease. The advance represents a major step toward an animal model with which to study the disease in...

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A tale of two crow genomes

Despite frequently exchanging their genes in two distinct zones in Europe where their ranges overlap, the all-black carrion crow and the gray-coated hooded crow maintain very different plumages. Now,...

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D-wave quantum computer -- faster than classical hardware?

Scientists have performed perhaps the most comprehensive analysis to date of a D-wave device, claimed by its creators to be the first commercial quantum computer. A quantum computer is a type of...

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'Tom Sawyer' regulatory protein initiates gene transcription in a hit-and-run...

A team of genome scientists has identified a "hit-and-run" mechanism that allows regulatory proteins in the nucleus to adopt a "Tom Sawyer" behavior when it comes to the work of initiating gene...

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Climate change effects and human migration

A study suggests that long-term changes in climate may exert a greater influence than episodic natural disasters on permanent human migration patterns. Climate change impacts may render some areas...

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Boosting self-control by reframing choices

A study suggests that cognitively reframing the consequences of immediate gratification can increase self-control without requiring additional willpower. Eran Magen, Carol S. Dweck, and colleagues...

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Emergence of deadly flu viruses

The main barriers preventing the emergence of highly pathogenic bird flu viruses are imposed by the immunity of bird populations to related strains rather than the ability of viruses to acquire the...

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Water resources efficiency in China’s agricultural trade

A study of China’s virtual water trade finds inefficiencies in domestic food trade and efficiencies in international agricultural imports. China’s demand for water due to rapid development and high...

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No-till farming and climate change

No-till farming practices, if implemented throughout Europe, may decrease summer heat extremes by as many as 2 °C, according to a study. Untilled croplands exhibit increased albedo and carbon...

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Also of interest from the Proceedings of the National Academy of Sciences

A study of 33 fungal genomes finds that the previous division of wood decay fungi into either white rot, which degrades lignin, or brown rot, which does not degrade lignin, is inadequate because some...

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A new principle for the numerical simulation of multiscale flow

Raditional computational fluid dynamics (CFD) methods based on the direct discretization of partial differential equations (PDE) encounter great difficulty in simulating multiscale flows with high...

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Advances of 'ordered water monolayer that does not completely wet water' at...

At room temperature, generally, water always completely wet water due to the hydrogen bonds formed among water molecules. In recent years, this phenomenon has also been observed on many real surfaces...

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How did the ancient city Liangzhu rise?

The ancient city liangzhu has many mysteries which haven’t been solved. A recent study found that the ancient city was constructed in two phases, with large-scale water conservancy prototype, its rise...

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