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Thursday November 27th 2014

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Stanford engineers invent high-tech mirror to beam heat away from buildings into space

Stanford engineers have invented a material designed to help cool buildings. The material reflects incoming sunlight, and it sends heat from inside the structure directly into space as infrared radiation.

Posted on 26 November 2014 | 5:00 am

Trial shows new imaging system may cut X-ray exposure for liver cancer patients

Johns Hopkins researchers report that their test of an interventional X-ray guidance device approved by the US Food and Drug Administration in 2013 has the potential to reduce the radiation exposure of patients undergoing intra-arterial therapy for liver cancer.

Posted on 26 November 2014 | 5:00 am

Star Trek-like invisible shield found thousands of miles above Earth

A team led by the University of Colorado Boulder has discovered an invisible shield some 7,200 miles above Earth that blocks so-called ‘killer electrons,’ which whip around the planet at near-light speed and have been known to threaten astronauts, fry satellites and degrade space systems during intense solar storms.

Posted on 26 November 2014 | 5:00 am

NIAID/GSK experimental Ebola vaccine appears safe, prompts immune response

An experimental vaccine to prevent Ebola virus disease was well-tolerated and produced immune system responses in all 20 healthy adults who received it in a Phase 1 clinical trial conducted by researchers from the National Institutes of Health. The candidate vaccine, which was co-developed by the NIH’s National Institute of Allergy and Infectious Diseases and GlaxoSmithKline, was tested at the NIH Clinical Center in Bethesda, Maryland.

Posted on 26 November 2014 | 5:00 am

Study: Most people with dementia never have screening

The majority of people with dementia have never seen a doctor about their memory and thinking problems, according to a new study published in the Nov. 26, 2014, online issue of Neurology, the medical journal of the American Academy of Neurology.

Posted on 26 November 2014 | 5:00 am

How do our muscles work?

Scientists led by Kristina Djinovic-Carugo at the Max F. Perutz Laboratories of the University of Vienna and the Medical University of Vienna have elucidated the molecular structure and regulation of the essential muscle protein alpha-actinin. The new findings allow unprecedented insights into the protein’s mode of action and its role in muscle disorders. The findings, made in collaboration with King’s College London, may lead to improved treatments, and are published in the top-class journal Cell.

Posted on 26 November 2014 | 5:00 am

Follow-up on psychiatric disorders in young people after release from detention

Juvenile offenders with multiple psychiatric disorders when they are incarcerated in detention centers appear to be at high risk for disorders five years after detention, according to a report published online by JAMA Psychiatry.

Posted on 26 November 2014 | 5:00 am

NASA’s Van Allen Probes spot an impenetrable barrier in space

Two donuts of seething radiation that surround Earth, called the Van Allen radiation belts, have been found to contain a nearly impenetrable barrier that prevents the fastest, most energetic electrons from reaching Earth.

Posted on 26 November 2014 | 5:00 am

iPS cells used to correct genetic mutations that cause muscular dystrophy

Researchers at CiRA show that iPS cells can be used to correct genetic mutations that cause Duchenne muscular dystrophy. The research demonstrates how engineered nucleases, such as TALEN and CRISPR, can be used to edit the genome of iPS cells generated from the skin cells of a DMD patient. The cells were then differentiated into skeletal muscles, in which the mutation responsible for DMD had disappeared.

Posted on 26 November 2014 | 5:00 am

Matched ‘hybrid’ systems may hold key to wider use of renewable energy

The use of renewable energy in the United States could take a significant leap forward with improved storage technologies or more efforts to ‘match’ different forms of alternative energy systems that provide an overall more steady flow of electricity, researchers say in a new report.

Posted on 26 November 2014 | 5:00 am

Science News Headlines – Yahoo News

Get the latest Science news headlines from Yahoo News. Find breaking Science news, including analysis and opinion on top Science stories.

Smoking in US Declines to All-Time Low

Cigarette smoking has hit the lowest point ever among American adults, a new report finds. The percentage of U.S. adults who smoke cigarettes was 17.8 percent in 2013, a drop from 20.9 percent in 2005, and the lowest rate of smoking since researchers began tracking this figure in 1965, according to the report from the U.S. Centers for Disease Control and Prevention (CDC).

Posted on 26 November 2014 | 10:21 pm

Many People with Dementia May Go Unscreened, Untreated

The majority of people with dementia in the United States may have never seen a doctor about their memory and thinking problems, according to a new study of older adults. The researchers found that 55 percent of patients screened for dementia as part of the University of Michigan Health and Retirement Study had never been evaluated prior to participating in this study, despite showing a clear cognitive decline. Although the study was small — it included 845 people — the results imply that upwards of 1.8 million Americans ages 70 and older with dementia also have either never been screened, or are not receiving treatment. “Early evaluation and identification of people with dementia may help them receive care earlier” and help reduce societal costs, said Dr. Vikas Kotagal, lead author on the paper and assistant professor of neurology at the University of Michigan Health System in Ann Arbor.

Posted on 26 November 2014 | 10:19 pm

Welcoming the Era of In-Space Manufacturing

Welcoming the Era of In-Space ManufacturingMike Snyder, lead engineer for the company Made In Space, which designed and built the 3D printer currently aboard the International Space Station, contributed this article to Space.com's Expert Voices: Op-Ed & Insights. At this moment, if the space station absolutely needs a part that the 3D printer can build, I can start producing the part onboard the ISS within minutes — from my chair in California. The 3D printer can build files that are created after launch and sent to orbit when needed. Our printer is part of the NASA-funded 3D Printing in Zero-G Technology Demonstration, which is setting out to characterize the performance and demonstrate the functions of additive manufacturing in orbit.

Posted on 26 November 2014 | 10:01 pm

Turkey Talk: Anatomy of the Thanksgiving Centerpiece

Steve Zack is coordinator of Bird Conservation for the Wildlife Conservation Society (WCS). Thanksgiving is upon us, as families and friends gather for food, drink and conversation. Thanksgiving cutting boards hold the centerpiece of our beloved autumn feast.

Posted on 26 November 2014 | 9:50 pm

Thanksgiving Nor’easter Seen from Space (Photos, Video)

Thanksgiving Nor'easter Seen from Space (Photos, Video)The National Oceanic and Atmospheric Administration's weather satellites captured the beginning of the nor'easter that is expected to wreak havoc for Thanksgiving travelers today (Nov. 26) with rain and snow. The video shows another group of clouds blowing over the Northeast on Sunday (Nov. 23) and Monday, but the Thanksgiving storm starts to take shape farther south, following a curved path that dips all the way down to Mexico. The National Weather Association said in a statement that this will be a rapidly moving storm, and that most of the precipitation will fall in a 12-hour time frame. The storm is already dropping rain on Florida and will reach Canada's eastern provinces by Thanksgiving morning (Nov. 27).

Posted on 26 November 2014 | 8:29 pm

Ultra-strong graphene’s weak spot could be key to fuel cells

By Kate Kelland LONDON (Reuters) – In a discovery that experts say could revolutionize fuel cell technology, scientists in Britain have found that graphene, the world’s thinnest, strongest and most impermeable material, can allow protons to pass through it. The researchers, led by the Nobel prize winner and discoverer of graphene Andre Geim of Manchester University, said their finding also raised the possibility that, in future, graphene membranes could be used to “sieve” hydrogen gas from the atmosphere to then generate electricity. …

Posted on 26 November 2014 | 6:18 pm

Exclusive: First gene therapy drug sets million-euro price record

An operator installs a chromatography column to purify the gene therapy drug Glybera at Dutch biotech company uniQure in AmsterdamBy Ludwig Burger and Ben Hirschler FRANKFURT/LONDON (Reuters) – The Western world's first gene therapy drug is set to go on sale in Germany with a 1.1 million euro ($1.4 million) price tag, a new record for a medicine to treat a rare disease. The sky-high cost of Glybera, from Dutch biotech firm UniQure and its unlisted Italian marketing partner Chiesi, shows how single curative therapies to fix faulty genes may upend the conventional pharmaceutical business model. …

Posted on 26 November 2014 | 5:52 pm

Gut check: how vultures dine on rotting flesh, and like it

File of vultures feasting on a road kill as commuters pass by real estate for sale in Great FallsBy Will Dunham WASHINGTON (Reuters) – They snack on danger and dine on death, merrily munching on rotting flesh that would certainly sicken or kill any person and most other animals. But how do vultures do it? These feathery scavengers have one of the toughest guts on the planet, that is how. Scientists said on Tuesday that their analysis of two species of North American vultures showed that the birds possess a ferociously acidic digestive system and intestines loaded with two fiendish kinds of bacteria. …

Posted on 26 November 2014 | 12:50 pm

Thanksgiving Science: Why Gratitude Is Good for You

Thanksgiving may be the only major American holiday focused on giving thanks for all of life’s blessings, but gratitude isn’t just a good excuse for chowing down on turkey and pumpkin pie; it’s also a way to promote good health and well-being, experts say.

Posted on 26 November 2014 | 12:06 pm

One for every leg: scientists map centipede genome

"Bug Chef" David Gordon holds a Vietnamese centipede during his 4th annual "Bug-A-Thon" event at Ripley's Believe It or Not museum in HollywoodLONDON (Reuters) – An international team of more than 100 researchers has mapped the genome of the centipede and found that, while it easily outpaces humans on number of legs, it falls short when it comes to genes. Sequencing the genome of Strigamia maritima, a northern European centipede, the 106-strong team found it has around 15,000 genes – some 7,000 fewer than a human. …

Posted on 25 November 2014 | 8:20 pm