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Researchers create new method to draw molecules from live cells

July 18, 2014 12:30 pm | by Jeannie Kever, Univ. of Houston | Comments

Most current methods of identifying intracellular information result in the death of the individual cells, making it impossible to continue to gain information and assess change over time. Using magnetized carbon nanotubes, scientists in Texas have devised a new method for extracting molecules from live cells without disrupting cell development.

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Nature’s strongest glue comes unstuck

July 18, 2014 11:23 am | Comments

Barnacle glue, or cement, sticks to any surface, under any conditions. And it’s still far better than anything we have been able to develop synthetically. Now, over 150 years since it was first described by Charles Darwin, scientists are finally uncovering the secrets behind the super strength of barnacle glue.

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Mats made from shrimp chitin attract uranium like a magnet

July 18, 2014 11:16 am | Comments

A Univ. of Alabama start-up company, 525 Solutions, has received about $1.5 million from the federal government to refine an invention to extract uranium from the ocean for use as fuel. It is an adsorbent, biodegradable material made from the compound chitin, which is found in crustaceans and insects. The researchers have developed transparent sheets, or mats, comprised of tiny chitin fibers, which pull uranium from the water.

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Researchers uncover new cancer cell vulnerability

July 18, 2014 9:59 am | Comments

Yale School of Medicine and Yale Cancer Center researchers have uncovered a genetic vulnerability of cancer cells that express telomerase and showed that telomerase-expressing cells depend upon a gene named p21 for their survival. Authors found that simultaneous inhibition of both telomerase and p21 inhibited tumor growth in mice.

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Lipoic acid helps restore, synchronize the “biological clock”

July 18, 2014 9:03 am | by David Stauth, Oregon State Univ. | Comments

Researchers have discovered a possible explanation for the surprisingly large range of biological effects that are linked to a micronutrient called lipoic acid: It appears to reset and synchronize circadian rhythms, or the “biological clock” found in most life forms. The ability of lipoic acid to help restore a more normal circadian rhythm to aging animals could explain its apparent value in so many important biological functions.

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66-yard crater appears in far northern Siberia

July 18, 2014 8:47 am | Comments

Russian scientists say they believe a 66-yard wide crater discovered recently in far northern Siberia could be the result of changing temperatures in the region. Andrei Plekhanov, a senior researcher at the Scientific Research Center of the Arctic who visited the crater this week, the crater was mostly likely the result of a "build-up of excessive pressure" underground due to rising temperatures.

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Peering into giant planets from in and out of this world

July 18, 2014 8:40 am | by Anne M. Stark, Lawrence Livermore National Laboraotry | Comments

Lawrence Livermore National Laboratory scientists for the first time have experimentally re-created the conditions that exist deep inside giant planets, such as Jupiter, Uranus and many of the planets recently discovered outside our solar system. Researchers can now re-create and accurately measure material properties that control how these planets evolve over time, information essential for understanding how these massive objects form.

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Ultra-fast x-ray laser sheds light on fundamental ultra-fast dynamics

July 18, 2014 8:31 am | by KSU News and Communications Service | Comments

Ultra-fast x-ray laser research led by Kansas State Univ. has provided scientists with a snapshot of a fundamental molecular phenomenon. The finding sheds new light on microscopic electron motion in molecules. The researchers measured at which distances between the two atoms the electron transfer can occur.

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First ab initio method for characterizing hot carriers

July 18, 2014 8:19 am | by Lynn Yarris, Lawrence Berkeley National Laboratory | Comments

One of the major road blocks to the design and development of new, more efficient solar cells may have been cleared. Researchers with the Lawrence Berkeley National Laboratory have developed the first ab initio method for characterizing the properties of “hot carriers” in semiconductors. Hot carriers are electrical charge carriers with significantly higher energy than charge carriers at thermal equilibrium.

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Future electronics may depend on lasers, not quartz

July 18, 2014 8:09 am | by Jessica Stoller-Conrad, Caltech | Comments

Nearly all electronics require devices called oscillators that create precise frequencies. For nearly 100 years, these oscillators have relied upon quartz crystals to provide a frequency reference, much like a tuning fork is used as a reference to tune a piano. However, future high-end navigation systems, radar systems and even possibly tomorrow's consumer electronics will require references beyond the performance of quartz.

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Why airlines didn't avoid risky Ukraine airspace

July 18, 2014 3:22 am | by David Koenig - AP Airlines Writers - Associated Press | Comments

The possibility that the civilian jetliner downed over war-torn eastern Ukraine with nearly 300 people onboard was hit by a missile could have profound consequences for the world's airlines. Airlines might have to be more vigilant about avoiding trouble spots, making flights longer and causing them to burn more costly fuel. They may even be forced to reconsider many international routes.

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Microsoft cutting 18,000 jobs, signals new path

July 17, 2014 12:23 pm | by Ryan Nakashima - AP Business Writer - Associated Press | Comments

Microsoft announced the biggest layoffs in its history Thursday, saying it will cut 18,000 jobs or 14 percent of its workforce as it streamlines its Nokia mobile device business to focus on using the Windows Phone operating system. Although the job cuts had been expected, the extent of them was a surprise.

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National Xenopus Resource at MBL innovates new way to study proteins

July 17, 2014 10:45 am | by Laurel Hamers, Marine Biological Laboratory | Comments

Many organisms that hold potential for proteomic analysis do not yet have a completely sequenced genome because the costs are prohibitive. Xenopus laevis, the African clawed frog, is one such species. Researchers at the Marine Biological Laboratory have found a work-around. Instead of relying on DNA, they used mRNA sequences to more efficiently create a reference database that can be used for proteomic analysis of Xenopus.

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Japan approves joint missile study, export to U.S.

July 17, 2014 10:22 am | by The Associated Press | Comments

Japan has approved the export of a locally-made component for a missile defense system to the U.S. and is launching joint research with Britain on air-to-air missile technology for fighter jets. The approval late Thursday marks the first defense technology transfer since Japan eased military export rules in April.

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Toward ultimate light efficiency on the cheap

July 17, 2014 9:27 am | by Kate McAlpine, Univ. of Michigan | Comments

Researchers have taken a major stride toward perfectly efficient lighting that is also relatively inexpensive and simple to make. The same material can also reveal the presence of water by changing color. Incandescent bulbs only turn 5% of the electricity they use into light, while fluorescent LEDs can produce light from up to 25% of the electrons that pass through them. Phosphorescent LEDs can turn every electron into a ray of light.

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