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Advanced buoys bring vital data to untapped energy resource

September 15, 2014 8:30 am | by Frances White, PNNL | News | Comments

Two massive, 20,000-lb buoys decked out with the latest in meteorological and oceanographic equipment will enable more accurate predictions of the power-producing potential of winds that blow off U.S. shores. The bright yellow buoys are being commissioned by the Pacific Northwest National Laboratory in Washington state's Sequim Bay.

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Blood-cleansing biospleen device developed for sepsis therapy

September 15, 2014 8:21 am | by Kristen Kusek, Wyss Institute for Biologically Inspired Engineering, Harvard Univ. | News | Comments

Things can go downhill fast when a patient has sepsis, a life-threatening condition in which bacteria or fungi multiply in a patient's blood—often too fast for antibiotics to help. A new device inspired by the human spleen and developed by a team at Harvard's Wyss Institute for Biologically Inspired Engineering may radically transform the way doctors treat sepsis.

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Slimy fish and the origins of brain development

September 15, 2014 8:09 am | by Jessica Stoller-Conrad, Caltech | News | Comments

Lamprey—slimy, eel-like parasitic fish with tooth-riddled, jawless sucking mouths—are rather disgusting to look at, but thanks to their important position on the vertebrate family tree, they can offer important insights about the evolutionary history of our own brain development, a recent study suggests.

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Researchers roll “neat” nanotube fibers

September 15, 2014 7:57 am | by Mike Williams, Rice Univ. | News | Comments

The very idea of fibers made of carbon nanotubes is neat, but Rice Univ. scientists are making them neat—literally. The single-walled carbon nanotubes in new fibers created at Rice line up like a fistful of uncooked spaghetti through a process designed by chemist Angel Martí and his colleagues.

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Fluid mechanics suggests alternative to quantum orthodoxy

September 15, 2014 7:46 am | by Larry Hardesty, MIT News Office | News | Comments

The central mystery of quantum mechanics is that small chunks of matter sometimes seem to behave like particles, sometimes like waves. For most of the past century, the prevailing explanation of this conundrum has been what’s called the “Copenhagen interpretation”—which holds that, in some sense, a single particle really is a wave, smeared out across the universe, that collapses into a determinate location only when observed.

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Study sheds new light on why batteries go bad

September 15, 2014 7:34 am | by Andrew Gordon, SLAC National Accelerator Laboratory | Videos | Comments

A comprehensive look at how tiny particles in a lithium-ion battery electrode behave shows that rapid-charging the battery and using it to do high-power, rapidly draining work may not be as damaging as researchers had thought—and that the benefits of slow draining and charging may have been overestimated.

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Magnetism intensified by defects

September 12, 2014 1:53 pm | News | Comments

As integrated circuits become increasingly miniaturized and the sizes of magnetic components approach nanoscale dimensions, magnetic properties can disappear. Scientists in Japan, with the help of a form of electron microscopy called split-illumination electron holography, have gained important insights into the development of stable, strong nanomagnets by discovering magnetism-amplifying atomic disorder in iron-aluminum alloys.

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Fluid mechanics suggests alternative to quantum orthodoxy

September 12, 2014 1:48 pm | by Larry Hardesty, MIT | News | Comments

The central mystery of quantum mechanics is that small chunks of matter sometimes seem to behave like particles, sometimes like waves. The traditional view holds that a single particle really is a wave that collapses only when observed. But John Bush, of the Massachusetts Institute of Technology, believes that another explanation, the pilot-wave theory, deserves a second look.

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Evolutionary biology key to tackling diverse global problems

September 12, 2014 10:14 am | by Pat Bailey, UC Davis News Service | News | Comments

Evolutionary biology techniques can and must be used to help solve global challenges in agriculture, medicine and environmental sciences, advises a nine-member global team led by an evolutionary ecologist from Univ. of California, Davis.

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Apple's smartwatch: Timely idea or clocked out?

September 12, 2014 9:24 am | by Mae Anderson, AP Technology Writer | News | Comments

A habitual party crasher, Apple has a history of arriving late and making a big splash in various gadget categories. But can it continue with the Apple Watch? Smartwatches have been around for a few years, but makers such as Samsung and Sony have failed to make them a runaway hit. Apple's Watch won't go on sale until early 2015 and raises questions: Can the company work its magic as it has in the past?

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Polonium’s most stable isotope gets revised half-life measurement

September 12, 2014 9:14 am | by NIST | News | Comments

Scientists at NIST have determined that polonium-209, the longest-lived isotope of this radioactive heavy element, has a half-life about 25% longer than the previously determined value, which had been in use for decades. The new NIST measurements could affect geophysical studies such as the dating of sediment samples from ocean and lake floors.

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Alien-like giant water-living dinosaur unveiled

September 12, 2014 8:57 am | by Seth Borenstein, AP Science Writer | News | Comments

Picture the fearsome creatures of "Jurassic Park" crossed with the shark from "Jaws." Then super-size to the biggest predator ever to roam Earth. Now add a crocodile snout as big as a person and feet like a duck's. The result gives you some idea of a bizarre dinosaur scientists unveiled Thursday. This patchwork of critters, a 50-foot predator, is the only known dinosaur to live much of its life in the water.

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Engineers describe key mechanism in energy and information storage

September 12, 2014 8:48 am | by Bjorn Carey, Stanford News Service | News | Comments

The ideal energy or information storage system is one that can charge and discharge quickly, has a high capacity and can last forever. Nanomaterials are promising to achieve these criteria, but scientists are just beginning to understand their challenging mechanisms. Now, a team from Stanford Univ. has provided new insight into the storage mechanism of nanomaterials that could facilitate development of improved batteries and memory devices.

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Rapid point-of-care anemia test shows promise

September 12, 2014 8:22 am | by John Toon, Georgia Institute of Technology | News | Comments

A simple point-of-care testing device for anemia could provide more rapid diagnosis of the common blood disorder and allow inexpensive at-home self-monitoring of persons with chronic forms of the disease. The disposable self-testing device analyzes a single droplet of blood using a chemical reagent that produces visible color changes corresponding to different levels of anemia.

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Faster image processing for low-radiation CT scans

September 12, 2014 8:08 am | by Kate McAlpine, Univ. of Michigan | Videos | Comments

A new $1.9 million study at the Univ. of Michigan seeks to make low-dose computed tomography scans a viable screening technique by speeding up the image reconstruction from half an hour or more to just five minutes. The advance could be particularly important for fighting lung cancers, as symptoms often appear too late for effective treatment.

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