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NIST ion duet offers tunable module for quantum simulator

August 7, 2014 9:10 am | by EurekAlert! | Comments

Physicists at the National Institute of Standards and Technology (NIST) have demonstrated a pas de deux of atomic ions that combines the fine choreography of dance with precise individual control.NIST's ion duet, described in the August 7 issue of Nature, is a component for a flexible quantum simulator that could be scaled up in size and configured to model quantum systems of a complexity that overwhelms traditional computer simulations....

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Acute psychological stress promotes skin healing in mice

August 7, 2014 9:05 am | by EurekAlert! | Comments

Brief, acute psychological stress promoted healing in mouse models of three different types of skin irritations, in a study led by UC San Francisco researchers. The scientists found that healing was brought about by the anti-inflammatory effects of glucocorticoids – steroid hormones – produced by the adrenal glands in response to stress....

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Pancreatic survival rates at standstill for 4 decades

August 7, 2014 9:01 am | by EurekAlert! | Comments

Long-term survival from pancreatic cancer has failed to improve in 40 years – with the outlook remaining the lowest of the 21 most common cancers, according to new figures published by Cancer Research UK today. Today just over three per cent of pancreatic cancer patients survive for at least five years, only a fraction more than the two per cent who survived that long in the early 1970s....

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A new way to model cancer

August 7, 2014 8:57 am | by EurekAlert! | Comments

Sequencing the genomes of tumor cells has revealed thousands of mutations associated with cancer. One way to discover the role of these mutations is to breed a strain of mice that carry the genetic flaw — but breeding such mice is an expensive, time-consuming process....

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Wounded veteran finds new way to serve by training for career in 3D printing

August 7, 2014 8:24 am | Comments

While 26-year-old wounded veteran Joseph Grabianowski has inspired Americans with his harrowing war story, someday he may be nationally known for building highly efficient exhaust systems for cars and trucks using 3D printing technology....

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Photos of the Day: The world’s first 3D-printed saxophone

August 6, 2014 12:53 pm | by ECN Staff | Comments

A saxophone is an incredibly complex compilation of materials and design. This prototype includes 41 components, plus the springs for all the keys, which were added by hand along with any screws. This prototype includes 41 components, plus the springs for all the keys....

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New hand-held device uses lasers, sound waves for deeper melanoma imaging

August 6, 2014 11:55 am | by EurekAlert! | Comments

A new hand-held device that uses lasers and sound waves may change the way doctors treat and diagnose melanoma, according to a team of researchers from Washington University in St. Louis. The instrument, described in a paper published today in The Optical Society's (OSA) journal Optics Letters, is the first that can be used directly on a patient and accurately measure how deep a melanoma tumor extends into the skin....

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Older adults have morning brains!

August 6, 2014 11:51 am | by EurekAlert! | Comments

Older adults who are tested at their optimal time of day (the morning), not only perform better on demanding cognitive tasks but also activate the same brain networks responsible for paying attention and suppressing distraction as younger adults, according to Canadian researchers....

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New research debunks the family myth as primary reason for gender gap in politics

August 6, 2014 11:48 am | by EurekAlert! | Comments

Female candidates for elected office do as well as male candidates in terms of raising money and winning votes, so why do women only occupy 19 percent of congressional seats and approximately 25 percent of statewide offices and hold fewer governorships and mayorships? The traditional wisdom has been family obligations and responsibilities prevent women from running for office....

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Boomers building muscle at the gym -- without passion

August 6, 2014 11:45 am | by EurekAlert! | Comments

As the first generation to embrace exercise, baby boomers continue going to the gym, yet more out of necessity than for the challenge and enjoyment of physical activity. In a study recently published in the International Journal of Wellbeing, James Gavin, a professor in Concordia's Department of Applied Human Sciences, investigates our motivations for exercise, from looking good to having fun....

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Construction to begin in Hawaii on world's most advanced telescope

August 6, 2014 11:42 am | by EurekAlert! | Comments

With the recent approval of a sublease by Hawaii's Board of Land and Natural Resources, initial construction on the Thirty Meter Telescope — destined to be the most advanced and powerful optical telescope in the world — can begin later this year....

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Typhoon Halong opens its eye again for NASA

August 6, 2014 11:37 am | by EurekAlert! | Comments

When NASA's Aqua satellite passed over Typhoon Halong on its northern journey through the western North Pacific Ocean, it became wide-eyed again after going through eyewall replacement. Eyewall replacement happens when the thunderstorms that circle the eye of a powerful hurricane are replaced by other thunderstorms. Basically, a new eye begins to develop around the old eye and it usually indicates a weakening trend....

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Speedier diagnosis of diseases such as cancer likely thanks to new DNA analysis technique

August 6, 2014 9:50 am | by EurekAlert! | Comments

Researchers from McGill University and the Génome Québec Innovation Centre have achieved a technical breakthrough that should result in speedier diagnosis of cancer and various pre-natal conditions. The key discovery, which is described online this week in the Proceedings of the National Academy of Sciences (PNAS), lies in a new tool developed by Professors Sabrina Leslie and Walter Reisner of McGill's Physics Department....

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Researchers boost insect aggression by altering brain metabolism

August 6, 2014 9:35 am | by EurekAlert! | Comments

Scientists report they can crank up insect aggression simply by interfering with a basic metabolic pathway in the insect brain. Their study, of fruit flies and honey bees, shows a direct, causal link between brain metabolism (how the brain generates the energy it needs to function) and aggression....

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Study: Many cancer survivors smoke years after diagnosis

August 6, 2014 9:31 am | by EurekAlert! | Comments

Nearly one in ten cancer survivors reports smoking many years after a diagnosis, according to a new study by American Cancer Society researchers. Further, among ten cancer sites included in the analysis, the highest rates of smoking were in bladder and lung cancers, two sites strongly associated with smoking. The study appears early online in Cancer Epidemiology, Biomarkers & Prevention....

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