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Nanoscience makes your wine better

September 18, 2014 1:13 pm | by Anne-Mette Siem, Aarhus Univ. | Comments

One sip of a perfectly poured glass of wine leads to an explosion of flavors in your mouth. Researchers in Denmark have now developed a nanosensor that can mimic what happens in your mouth when you drink wine. The sensor, which uses gold nanoparticles to act as a “mini-mouth”, measures how you experience the sensation of dryness in the wine.

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Advanced molecular “sieves” could be used for carbon capture

September 18, 2014 12:33 pm | Comments

Researchers from the Univ. of Cambridge have developed advanced molecular synthetic membranes, or “sieves”, which could be used to filter carbon dioxide and other greenhouse gases from the atmosphere. The sieves were made by heating microporous polymers using low levels of oxygen which, produces a tougher and far more selective membrane that is still relatively flexible.

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Sensing neuronal activity with light

September 18, 2014 12:29 pm | by Jessica Stoller-Conrad, Caltech | Comments

For years, neuroscientists have been trying to develop tools that would allow them to clearly view the brain's circuitry in action. To get this complete picture, neuroscientists are working to develop a range of new tools to study the brain. Researchers at Caltech have developed one such tool that provides a new way of mapping neural networks in a living organism.

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Chemists modify antibiotic to vanquish resistant bacteria

September 18, 2014 10:14 am | by The Scripps Research Institute | Comments

Scientists at The Scripps Research Institute have devised a new antibiotic based on vancomycin that is powerfully effective against vancomycin-resistant strains of MRSA and other disease-causing bacteria. The new vancomycin analog appears to have not one but two distinct mechanisms of anti-microbial action, against which bacteria probably cannot evolve resistance quickly.

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New diagnostic method identifies genetic diseases

September 18, 2014 9:01 am | Comments

Fewer than half of all patients who are suspected of having a genetic disease actually receive a satisfactory diagnosis. To solve this problem, scientists have developed an innovative diagnostic procedure, called PhenIX, that combines the analysis of genetic irregularities with the patient's clinical presentation. The method involves a search for genes that cause disease and its related phenotypes to produce a short, testable list.

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Physicists heat freestanding graphene to control curvature of ripples

September 18, 2014 8:52 am | Comments

While freestanding graphene offers promise as a replacement for silicon and other materials in microprocessors and next-generation energy devices, much remains unknown about its mechanical and thermal properties. An international team of physicists, led by a research group at the Univ. of Arkansas, has recently discovered that heating can be used to control the curvature of ripples in freestanding graphene.

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Sandia pioneers software for smart, sustainable institutions

September 18, 2014 8:13 am | by Stephanie Holinka, Sandia National Laboratories | Comments

Sandia National Laboratories’ Institutional Transformation (IX) model helps the federal laboratory reduce its energy consumption and could help other large institutions do the same. The IX model allows planners to experiment with energy conservation measures before making expensive changes. It also models operations-oriented conservation methods.

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Team aims to improve plant-based battery with neutrons, simulation

September 18, 2014 8:02 am | by Morgan McCorkle, Oak Ridge National Laboratory | Comments

When Orlando Rios first started analyzing samples of carbon fibers made from a woody plant polymer known as lignin, he noticed something unusual. The material’s microstructure—a mixture of perfectly spherical nanoscale crystallites distributed within a fibrous matrix—looked almost too good to be true.

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Studies find declines in price of rooftop and utility-scale solar

September 18, 2014 7:51 am | by Allen Chen, Lawrence Berkeley National Laboratory | Comments

The price of solar energy in the U.S. continues to fall substantially, according to the latest editions of two annual reports produced by Lawrence Berkeley National Laboratory (Berkeley Lab). A third Berkeley Lab report, written in collaboration with researchers at Yale Univ., the Univ. of Texas at Austin and the DOE, shows that local permitting and other regulatory procedures can significantly impact residential photovoltaic prices.

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Boosting global corn yields depends on improving nutrient balance

September 18, 2014 7:40 am | by Natalie van Hoose, Purdue Univ. | Comments

Ensuring that corn absorbs the right balance of nitrogen, phosphorus and potassium is crucial to increasing global yields, a Purdue and Kansas State Univ. study finds. A review of data from more than 150 studies from the U.S. and other regions showed that high yields were linked to production systems in which corn plants took up key nutrients at specific ratios.

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Shrink-wrapping spacesuits

September 18, 2014 7:32 am | by Jennifer Chu, MIT News Office | Comments

For future astronauts, the process of suiting up may go something like this: Instead of climbing into a conventional, bulky, gas-pressurized suit, an astronaut may don a lightweight, stretchy garment, lined with tiny, muscle-like coils. She would then plug in to a spacecraft’s power supply, triggering the coils to contract and essentially shrink-wrap the garment around her body.

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Ebola unlikely to become airborne

September 17, 2014 3:37 pm | by Lauran Neergaard - AP Medical Writer - Associated Press | Comments

It's incredibly unlikely that Ebola would mutate to spread through the air, and the best way to make sure it doesn't is to stop the epidemic, a top government scientist told concerned lawmakers Wednesday. "A virus that doesn't replicate, doesn't mutate," Dr. Anthony Fauci of the National Institutes of Health told a House Foreign Affairs subcommittee.

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NASA's Maven spacecraft reaches Mars this weekend

September 17, 2014 3:37 pm | by Marcia Dunn - AP Aerospace Writer - Associated Press | Comments

Mars, get ready for another visitor or two. This weekend, NASA's Maven spacecraft will reach the red planet following a 10-month journey spanning 442 million miles (711 million km). If all goes well, the robotic explorer will hit the brakes and slip into Martian orbit Sunday night.

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New algorithms lets owners swap, recharge battery modules in electric cars

September 17, 2014 1:51 pm | Comments

Imagine being able to switch out the batteries in electric cars just like you switch out batteries in a photo camera or flashlight. Engineers in California are trying to accomplish just that, in partnership with a local San Diego engineering company. Rather than swapping out the whole battery, which is cumbersome and requires large, heavy equipment, engineers plan to swap out and recharge smaller units within the battery, known as modules.

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Oxides discovered by chemists could advance memory devices

September 17, 2014 1:35 pm | Comments

Combining materials that exhibit magnetic and ferroelectric properties could be a boon for electronics designs, revolutionizing logic circuits and jumpstarting spintronics. This task has proven difficult until a recently developed inorganic synthesis technique, created by chemists at The City College of New York, produced a new complex oxide that demonstrate both properties.

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