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Memories of errors foster faster learning

August 14, 2014 4:59 pm | by EurekAlert! | Comments

Using a deceptively simple set of experiments, researchers at Johns Hopkins have learned why people learn an identical or similar task faster the second, third and subsequent time around. The reason: They are aided not only by memories of how to perform the task....

UT Arlington and Pediatrix partner to bring simulation training direct to practice

August 14, 2014 4:45 pm | by EurekAlert! | Comments

A real-time video feed, a laptop and a computerized manikin baby are key components for a new simulation training initiative that allows UT Arlington College of Nursing educators to put Neonatal Nurse Practitioners (NNPs) and physicians through the paces of an emergency scenario....

Scientists fold RNA origami from a single strand

August 14, 2014 4:42 pm | by EurekAlert! | Comments

RNA origami is a new method for organizing molecules on the nanoscale. Using just a single strand of RNA, many complicated shapes can be fabricated by this technique. Unlike existing methods for folding DNA molecules, RNA origamis are produced by enzymes....

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Stardust team reports discovery of first potential interstellar space particles

August 14, 2014 4:17 pm | by NASA | Comments

Seven rare, microscopic interstellar dust particles that date to the beginnings of the solar system are among the samples collected by scientists who have been studying the payload from NASA's Stardust spacecraft since its return to Earth in 2006. If confirmed, these particles would be the first ...

University of Tennessee research uncovers forces that hold gravity-defying near-earth asteroid together

August 14, 2014 3:59 pm | by EurekAlert! | Comments

Researchers at the University of Tennessee, Knoxville, have made a novel discovery that may potentially protect the world from future collisions with asteroids. The team studied near-Earth asteroid 1950 DA and discovered that the body, which rotates so quickly it defies gravity ...

New test reveals purity of graphene

August 14, 2014 3:55 pm | by EurekAlert! | Comments

Graphene may be tough, but those who handle it had better be tender. The environment surrounding the atom-thick carbon material can influence its electronic performance, according to researchers at Rice and Osaka universities who have come up with a simple way to spot contaminants....

Single gene controls jet lag

August 14, 2014 2:25 pm | by EurekAlert! | Comments

LA JOLLA–Scientists at the Salk Institute for Biological Studies have identified a gene that regulates sleep and wake rhythms. The discovery of the role of this gene, called Lhx1, provides scientists with a potential therapeutic target to help night-shift workers....

New material could enhance fast and accurate DNA sequencing

August 14, 2014 2:20 pm | by EurekAlert! | Comments

Gene-based personalized medicine has many possibilities for diagnosis and targeted therapy, but one big bottleneck: the expensive and time-consuming DNA-sequencing process. Now, researchers at the University of Illinois at Urbana-Champaign ...

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Patent examiners more likely to approve marginal inventions when pressed for time

August 14, 2014 2:16 pm | by EurekAlert! | Comments

Haste makes waste, as the old saying goes. And according to research from a University of Illinois expert in patent law, the same adage could be applied to the U.S. Patent and Trademark Office, where high-ranking examiners have a tendency to rubber-stamp patents of questionable merit....

Monitoring meteor showers from space

August 14, 2014 2:12 pm | by EurekAlert! | Comments

Those who enjoy the spectacle of the Perseids, Geminids or other annual meteor showers likely aren't thinking about where these shooting stars originated or whether they might pose a danger. Scientists, however, think about such things and will use the vantage point....

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NERSC launches next-generation code optimization effort

August 14, 2014 2:03 pm | by EurekAlert! | Comments

With the promise of exascale supercomputers looming on the horizon, much of the roadmap is dotted with questions about hardware design and how to make these systems energy efficient enough so that centers can afford to run them. Often taking a back seat ...

Novel chip-based platform could simplify measurements of single molecules

August 14, 2014 2:01 pm | by EurekAlert! | Comments

Researchers at UC Santa Cruz have developed a new approach for studying single molecules and nanoparticles by combining electrical and optical measurements on an integrated chip-based platform. In a paper published July 9 in Nano Letters, the researchers reported using the device....

Virginia Tech unmanned aircraft test site 'fully operational,' FAA says

August 14, 2014 1:59 pm | by EurekAlert! | Comments

The Mid-Atlantic Aviation Partnership's Unmanned Aircraft Systems test site program is fully operational and ready to conduct research vital to integrate unmanned aircraft into the nation's airspace, Federal Aviation Administration officials announced Wednesday....

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People fake to look authentic on social media

August 14, 2014 1:48 pm | by EurekAlert! | Comments

Presenting an authentic image on social network sites (SNSs) includes an element of fakery according to a new study by researchers at Aalto University. During the study, researchers discovered that being authentic is very important for social media users....

Genetic signal prevents immune cells from turning against the body

August 14, 2014 1:45 pm | by EurekAlert! | Comments

When faced with pathogens, the immune system summons a swarm of cells made up of soldiers and peacekeepers. The peacekeeping cells tell the soldier cells to halt fighting when invaders are cleared. Without this cease-fire signal, the soldiers, known as killer T cells ...

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