Reigning in chaos in particle colliders yields big results
2014-07-01
WASHINGTON D.C., June 30, 2014 – When beams with trillions of particles go zipping around at near light speed, there's bound to be some chaos. Limiting that chaos in particle colliders is crucial for the groundbreaking results such experiments are designed to deliver.
In a special focus issue of the journal Chaos, from AIP Publishing, a physicist at the European Organization for Nuclear Research (CERN) details an important method of detecting and correcting unwanted chaotic behavior in particle colliders. The method is helping accelerator physicists design high-performing, ...
Research reveals a gender gap in the nation's biology labs
2014-07-01
CAMBRIDGE, MA -- Among the sciences, biology consistently attracts the greatest numbers of women to graduate school and academic careers. About half of all biology graduate students are women, and 40 percent of biology postdocs are female. However, those numbers drop dramatically among faculty members: Nationwide, only 36 percent of assistant professors and 18 percent of full professors are women.
A new study reveals a possible explanation for this discrepancy: In the labs of the highest-achieving male biology professors — winners of the Nobel Prize, the National Medal ...
Study reveals that many people are oblivious to how they come across to counterparts and colleagues
2014-07-01
NEW YORK—Jill Abramson was recently ousted from her position as the executive editor of The New York Times for being, among other things, too "pushy." But did Abramson—who has also been described by the media as "polarizing" and "brusque"—know during the course of her tenure that others viewed her as being overly assertive? A new study from the Columbia Business School suggests that there's a great chance she didn't.
"Finding the middle ground between being pushy and being a pushover is a basic challenge in social life and the workplace. We've now found that the challenge ...
All the world's oceans have plastic debris on their surface
2014-07-01
However, central surface waters of the oceans may not be the final destination of plastic debris since, as indicated by the study performed by the Malaspina Expedition, large amounts of microplastics could be passing to the marine food chain and the ocean floor. Results of the study, led by the University of Cadiz (Spain), have been published in the journal Proceedings of the National Academy of Sciences (PNAS).
Andrés Cózar, researcher from the University of Cadiz, explains: "Ocean currents carry plastic objects which split into smaller and smaller fragments due to solar ...
Genetic evidence that body mass increases the risk of asthma in mid-childhood
2014-07-01
Some of the increase in asthma risk toward the end of the 20th century could be attributed to the increase in body mass index (BMI) in mid-childhood, according to new research published in this week's PLOS Medicine. The study, led by Raquel Granell from the University of Bristol, UK, and colleagues, provides genetic evidence that higher fat mass and lean mass increase the risk of asthma in mid-childhood.
The incidence of asthma, a chronic condition caused by inflammation of the airways, has been rising steadily over the past few decades, and it is estimated that 200� ...
Cesarean section linked to slight increase in future stillbirth and ectopic pregnancy
2014-07-01
Caesarean section is associated with a slightly increased rate of subsequent stillbirth and ectopic pregnancy, according to a large study of women living in Demark, published in this week in PLOS Medicine. Given the global increase in Caesarean rates, the results of the study, which was conducted by Louise Kenny and colleagues from University College Cork, Ireland and Aarhus University, Denmark, are of interest to pregnant women, their partners, and healthcare providers.
The researchers obtained data for 832,996 women from Danish national registers regarding their first ...
Catheter ablation a first-line treatment for atrial flutter
2014-07-01
Use of catheter ablation is not only beneficial for treating atrial flutter but also can significantly reduce hospital visits – both inpatient and emergency – and lower the risk for atrial fibrillation, according to research by UC San Francisco.
The study is in the July issue of PLOS ONE and available online.
"We've seen firsthand in our clinical experience that atrial flutter is difficult to control with drugs, even more than atrial fibrillation," said senior author Gregory Marcus, MD, director of clinical research in the UCSF Division of Cardiology. "Based on our ...
New insights from the modENCODE Project are published in Genome Research
2014-07-01
July 1, 2014 – Genome Research publishes six articles online and in print today describing recent advancements from the modENCODE Project. Initially launched in 2007, the goal of the modENCODE Project is to comprehensively characterize functional genomic elements in two model organisms, the fly Drosophila melanogaster, and the worm Caenorhabditis elegans. Comparative analyses in these well-established systems are expected to guide efforts to further our understanding of human biology. The articles published in this issue present new genomic advances shedding light upon ...
New compound blocks 'gatekeeper' enzyme to kill malaria
2014-07-01
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Melbourne researchers are homing in on a new target for malaria treatment, after developing a compound that blocks the action of a key 'gatekeeper' enzyme essential for malaria parasite survival.
The...
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Melbourne researchers are homing in on a new target for malaria treatment, after developing a compound that blocks the action of a key 'gatekeeper' enzyme essential for malaria parasite survival.
The compound, called WEHI-916, is ...
Analysis of the Chinese facial profile: Contours of the side face in the Tu and Zang ethnic minorities
2014-07-01
Li Haijun and fellow researchers at Minzu University of China, in Beijing, conducted a series of geometric morphometric analyses of the contours of the side face and variations in the Tu and Zang (Tibetan) ethnic minorities from Qinghai Province, in northwestern China.
Their study, entitled "Morphometric analysis of the Chinese facial profile: Contours of the side face and variations in the Tu and Zang ethnic minorities", was published (in Chinese) in the Chinese Science Bulletin, 2014, Vol 59(16).
The team of researchers used advanced digital cameras and image processing ...
Behind a marine creature's bright green fluorescent glow
2014-07-01
Pushing closer to understanding the mechanisms behind the mysterious glow of light produced naturally by certain animals, scientists at Scripps Institution of Oceanography at UC San Diego have deciphered the structural components related to fluorescence brightness in a primitive sea creature.
In a study published in Scientific Reports, an open-access journal of the Nature Publishing Group, Dimitri Deheyn and his colleagues at Scripps Oceanography, the Air Force Research Laboratory, and the Salk Institute for Biological Studies have conducted the most detailed examination ...
Solar panels light the way from carbon dioxide to fuel
2014-07-01
Research to curb global warming caused by rising levels of atmospheric greenhouse gases, such as carbon dioxide, usually involves three areas: Developing alternative energy sources, capturing and storing greenhouse gases, and repurposing excess greenhouse gases. Drawing on two of these approaches, researchers in the laboratory of Andrew Bocarsly, a Princeton professor of chemistry, collaborated with start-up company Liquid Light Inc. of Monmouth Junction, N.J. to devise an efficient method for harnessing sunlight to convert carbon dioxide into a potential alternative fuel ...
Poor physical, financial health driven by same factors
2014-07-01
Poor physical health and financial health are driven by the same underlying psychological factors, finds a new study out of the Olin Business School at Washington University in St. Louis.
Researchers Lamar Pierce, PhD, associate professor of strategy at Olin and PhD-candidate Timothy Gubler found that the decision to contribute to a 401(k) retirement plan predicted whether or not an individual will act to correct poor physical health indicators revealed during an employer-sponsored health examination.
"We find that existing retirement contribution patterns and future ...
Blind lead the way in brave new world of tactile technology
2014-07-01
Imagine feeling a slimy jellyfish, a prickly cactus or map directions on your iPad mini Retina display, because that's where tactile technology is headed. But you'll need more than just an index finger to feel your way around.
New research at UC Berkeley has found that people are better and faster at navigating tactile technology when using both hands and several fingers. Moreover, blind people in the study outmaneuvered their sighted counterparts – especially when using both hands and several fingers – possibly because they've developed superior cognitive strategies ...
Engaging parents, community to map student success in South King County
2014-07-01
If we had a road map to what parental involvement in schools should be, what would it look like? Would it be a straight line, or a complicated maze of cross streets going in every direction?
University of Washington researchers studied The Road Map Project, a collaborative effort to dramatically improve student achievement in seven school districts in South Seattle and South King County. In their report after a yearlong study of the initiative, they found that students were most successful when schools and communities found creative and culturally responsive ways of engaging ...
For cancer patients, sugar-coated cells are deadly
2014-07-01
ITHACA, N.Y. – Every living cell's surface has a protein-embedded membrane that's covered in polysaccharide chains – a literal sugar coating. A new study by a Cornell University researcher found this coating is especially thick and pronounced on cancer cells and is a crucial determinant of the cell's survival.
Consisting of long, sugar-decorated molecules called glycoproteins, the coating causes physical changes in the cell membrane that make the cell better able to thrive – leading to a more lethal cancer.
Matthew Paszek, assistant professor of chemical and biomolecular ...
Clemson scientists: Kudzu can release soil carbon, accelerate global warming
2014-07-01
CLEMSON, S.C. — Clemson University scientists are shedding new light on how invasion by exotic plant species affects the ability of soil to store greenhouse gases. The research could have far-reaching implications for how we manage agricultural land and native ecosystems.
In a paper published in the scientific journal New Phytologist, plant ecologist Nishanth Tharayil and graduate student Mioko Tamura show that invasive plants can accelerate the greenhouse effect by releasing carbon stored in soil into the atmosphere.
Since soil stores more carbon than both the atmosphere ...
Cellular gates for sodium and calcium controlled by common element of ancient origin
2014-07-01
Researchers at Johns Hopkins have spotted a strong family trait in two distant relatives: The channels that permit entry of sodium and calcium ions into cells turn out to share similar means for regulating ion intake, they say. Both types of channels are critical to life. Having the right concentrations of sodium and calcium ions in cells enables healthy brain communication, heart contraction and many other processes. The new evidence is likely to aid development of drugs for channel-linked diseases ranging from epilepsy to heart ailments to muscle weakness.
"This discovery ...
Mayo Clinic: Proton therapy has advantages over IMRT for advanced head and neck cancers
2014-07-01
Rochester, Minn. -- A new study by radiation oncologists at Mayo Clinic comparing the world's literature on outcomes of proton beam therapy in the treatment of a variety of advanced head and neck cancers of the skull base compared to intensity modulated radiation therapy (IMRT) has found that proton beam therapy significantly improved disease free survival and tumor control when compared to IMRT. The results appear in the journal Lancet Oncology.
"We undertook a systematic review and meta-analysis to compare the clinical outcomes of patients treated with proton therapy ...
Video games could provide venue for exploring sustainability concepts
2014-07-01
CORVALLIS, Ore. – Could playing video games help people understand and address global sustainability issues such as pollution, drought or climate change? At least two researchers believe so, outlining their argument in a concept paper published in the journal First Monday.
Video games have the potential to educate the public and encourage development of creative solutions to social, economic and environmental problems, said Oregon State University's Shawna Kelly, one of the two authors of the article.
"Video games encourage creative and strategic thinking, which could ...
Studies: Addiction starts with an overcorrection in the brain
2014-07-01
The National Institutes of Health has turned to neuroscientists at the nation's most "Stone Cold Sober" university for help finding ways to treat drug and alcohol addiction.
Brigham Young University professor Scott Steffensen and his collaborators have published three new scientific papers that detail the brain mechanisms involved with addictive substances. And the NIH thinks Steffensen's on the right track, as evidenced by a $2-million grant that will help fund projects in his BYU lab for the next five years.
"Addiction is a brain disease that could be treated like ...
New bridge design improves earthquake resistance, reduces damage and speeds construction
2014-07-01
SEATTLE, Wash. - Researchers have developed a new design for the framework of columns and beams that support bridges, called "bents," to improve performance for better resistance to earthquakes, less damage and faster on-site construction.
The faster construction is achieved by pre-fabricating the columns and beams off-site and shipping them to the site, where they are erected and connected quickly.
"The design of reinforced concrete bridges in seismic regions has changed little since the mid-1970s," said John Stanton, a professor in the Department of Civil and Environmental ...
Chinese herbal extract may help kill off pancreatic cancer cells
2014-07-01
Bethesda, Md. (July 1, 2014) — A diagnosis of pancreatic cancer—the fourth most common cause of cancer death in the U.S.—can be devastating. Due in part to aggressive cell replication and tumor growth, pancreatic cancer progresses quickly and has a low five-year survival rate (less than 5 percent).
GRP78, a protein that protects cells from dying, is more abundant in cancer cells and tissue than in normal organs and is thought to play a role in helping pancreatic cancer cells survive and thrive. Researchers at the University of Minnesota have found triptolide, an extract ...
Tags reveal Chilean devil rays are among ocean's deepest divers
2014-07-01
Thought to dwell mostly near the ocean's surface, Chilean devil rays (Mobula tarapacana) are most often seen gliding through shallow, warm waters. But a new study by scientists at Woods Hole Oceanographic Institution (WHOI) and international colleagues reveals that these large and majestic creatures are actually among the deepest-diving ocean animals.
"So little is known about these rays," said Simon Thorrold, a biologist at WHOI and one of the authors of the paper, published July 1, 2014, in the journal Nature Communications. "We thought they probably travelled long ...
Bringing the bling to antibacterials
2014-07-01
WASHINGTON D.C., July 1, 2014 – Bacteria love to colonize surfaces inside your body, but they have a hard time getting past your rugged, salty skin. Surgeries to implant medical devices often give such bacteria the opportunity needed to gain entry into the body cavity, allowing the implants themselves to act then as an ideal growing surface for biofilms.
A group of researchers at the Shanghai Institute of Ceramics in the Chinese Academy of Sciences are looking to combat these dangerous sub-dermal infections by upgrading your new hip or kneecap in a fashion appreciated ...
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