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Want to move up at work? Be a true believer

2013-05-29
New research is tweaking an old adage about how to get ahead in a competitive workplace: It's not just who you know, but what you believe in. A recently published BYU business study finds that employees who are "true believers" in the mission of their organization are more likely to increase in status and influence than non-believers. "Many organizations today have a well-defined mission with enduring principles that matter, not only to employees, but to other stakeholders," said John Bingham, BYU professor of organizational leadership and strategy. "It's a shift from ...

A molecular chain reaction in Alzheimer's disease

2013-05-29
Researchers at Lund University in Sweden have identified the molecular mechanism behind the transformation of one of the components in Alzheimer's disease. They identified the crucial step leading to formations that kill brain cells. Alzheimer's disease is associated with memory a loss and personality changes. It is still not known what causes the onset of the disease, but once started it cannot be stopped. The accumulation of plaques in the brain is widely considered a hallmark of the disease. The key discovery identified the chemical reaction that causes the plaques ...

Childhood abuse linked with food addiction in adult women

2013-05-29
Women who experienced severe physical or sexual abuse during childhood are much more likely to have a food addiction as adults than women who did not experience such abuse, according to a new study published in the journal Obesity. The study's findings provide valuable new information regarding potential causes and treatments for food addiction and obesity. National surveys indicate that more than a third of American women experienced some form of physical or sexual abuse before they reached 18 years of age. Also, research shows that such childhood abuse has consequences ...

The value of randomized clinical trials in radiation oncology clinical practice

2013-05-29
CHAPEL HILL, N.C. - Cancer patients, physicians and insurers want to be sure that whatever therapy is recommended and provided to patients is based on evidence, preferably results from randomized clinical trials. But are there enough clinical trials data to provide this level of confidence? A University of North Carolina School of Medicine study says not necessarily. Radiation oncologists evaluated how often patients were seen in their clinic with medical decisions to be made that were not specifically addressed by randomized controlled trials. They determined that ...

Re-creating the original colors of treasured ivory carvings from the ancient past

2013-05-29
The fabled ivory carvings from the ancient Phoenician city of Arslan Tash — literally meaning "Stone Lion" — may appear a dull monochrome in museums today, but they glittered with brilliant blue, red, gold and other colors 2,800 years ago, a new study has confirmed after decades of speculation. It appears in the ACS journal Analytical Chemistry. Ina Reiche and colleagues explain that these carvings are rare, housed in museums like the Louvre, and art experts regard them as the most beautiful ivory carvings of the era. Experts long believed that the lion heads, amulets ...

Nordic diet lowers cholesterol, study finds

2013-05-29
A healthy Nordic diet lowers cholesterol levels, and therefore the risk of cardiovascular disease, a pan-Nordic study where Lund University participated has found. There was also decreased inflammation associated with pre-diabetes. - The subjects who ate a Nordic diet had lower levels of harmful LDL cholesterol and higher levels of "good" HDL cholesterol. The amount of harmful fat particles in the blood also declined, says Lieselotte Cloetens, a biomedical nutrition researcher at Lund University. The 'healthy Nordic diet' used in the study contains local produce such ...

Radiotherapy remains the treatment of first choice for high-risk low-grade glioma

2013-05-29
In a large, international, randomized trial, initial radiotherapy was compared to temozolomide chemotherapy. A statistically significant difference between the two treatment strategies was not observed for progression-free survival, although radiotherapy was numerically favored. However, molecular tumor characterization may allow the treatment approach to be personalized and one or the other treatment modality to be selected. The results of EORTC trial 22033-26033 will be presented Saturday, 01 June 2013 at an ASCO 2013 Oral Abstract Session by the coordinator of the ...

Is YouTube an effective research tool?

2013-05-29
New Rochelle, NY, May 29, 2013—YouTube has more than 10 million unique users a month who are younger than 18 years of age, making it an ideal online environment in which to study the impact of various media content and peer feedback on adolescents. A series of experiments were designed to test the effectiveness of using YouTube to present controlled media content and peer comments to teens, and to measure their preferences and moral judgments. The results are presented in Cyberpsychology, Behavior, and Social Networking, a peer-reviewed journal from Mary Ann Liebert, Inc., ...

Human scabs serve as inspiration for new bandage to speed healing

2013-05-29
Human scabs have become the model for development of an advanced wound dressing material that shows promise for speeding the healing process, scientists are reporting. Their study appears in the journal ACS Applied Materials & Interfaces. Shutao Wang and colleagues explain that scabs are a perfect natural dressing material for wounds. In addition to preventing further bleeding, scabs protect against infection and recruit the new cells needed for healing. Existing bandages and other dressings for wounds generally are intended to prevent bleeding and infections. Wang's ...

EORTC study identifies patients with anaplastic oligodendroglioma that benefit from adjuvant PCV

2013-05-29
A further report on the results of EORTC trial 26951 indicates that CpG island methylator phenotype (CIMP) status and O 6-methylguanine-DNA methyltransferase (MGMT) promoter methylation as assessed by MGMT-STP27 are the most informative for identifying grade III glioma patients who might benefit from the addition of procarbazine, CCNU and vincristine (PCV) chemotherapy to radiation therapy. Prior results had shown that PCV chemotherapy following standard radiation therapy delayed tumor growth and extended the lives of patients with anaplastic oligodendroglial tumors, a ...

Charred micro-bunny sculpture shows promise of new material for 3-D shaping

2013-05-29
Though its surface has been turned to carbon, the bunny-like features can still be easily observed with a microscope. This rabbit sculpture, the size of a typical bacterium, is one of several whimsical shapes created by a team of Japanese scientists using a new material that can be molded into complex, highly conductive 3-D structures with features just a few micrometers across. Combined with state-of-the-art micro-sculpting techniques, the new resin holds promise for making customized electrodes for fuel cells or batteries, as well as biosensor interfaces for medical uses. ...

Despite safety and other concerns, nuclear power saves lives, greenhouse gas emissions

2013-05-29
Global use of nuclear power has prevented about 1.84 million air pollution-related deaths and release of 64 billion tons of greenhouse gases that would have resulted from burning coal and other fossil fuels, a new study concludes. It appears in the ACS journal Environmental Science & Technology. Pushker A. Kharecha and James E. Hansen state that nuclear power has the potential to help control both global climate change and illness and death associated with air pollution. That potential exists, they say, despite serious questions about safety, disposal of radioactive waste ...

A new addition to the Hall of Fame of science venues

2013-05-29
A building that helped launch generations of scientists, including Nobel laureates, on their careers of discovery has joined the Hall of Fame of notable venues, being named a National Historic Chemical Landmark by the American Chemical Society (ACS). That's the topic of an article in the current edition of Chemical & Engineering News (C&EN), the weekly newsmagazine of the ACS, the world's largest scientific society. Susan J. Ainsworth, C&EN senior editor, explains that the ACS recognized the R.B. Wetherill Laboratory of Chemistry building on the Purdue University's ...

New Mayo Clinic approach could lead to blood test to diagnose Alzheimer's in earliest stage

2013-05-29
ROCHESTER, Minn. -- Blood offers promise as a way to detect Alzheimer's disease at its earliest onset, Mayo Clinic researchers say. They envision a test that would detect distinct metabolic signatures in blood plasma that are synonymous with the disease -- years before patients begin showing cognitive decline. Their study was recently published online in the journal PLOS ONE. Researchers analyzed cerebrospinal fluid and plasma samples from 45 people in the Mayo Clinic Study on Aging and Mayo Clinic Alzheimer's Disease Center (15 with no cognitive decline, 15 with mild ...

Study shows longer treatment for children with langerhans cell hystiocytosis improves survival rates

2013-05-29
Washington, DC—A new international study finds that prolonged, intense initial treatment in children with multi-system Langerhans cell histiocytosis (MS-LCH) can achieve survival rates as high as 84 percent—a full 15 percent improvement over the previous clinical trial in this series. The study, LCH-III, is published in Blood, the journal of the American Society of Hematology. It is the third in a series of international randomized clinical trials for LCH that spans twenty years initiated and coordinated by the Histiocyte Society, a group of more than 200 physicians and ...

Twitter may become less interactive and more an advertising broadcast medium like TV or radio

2013-05-29
PITTSBURGH—Popular social media site Twitter may eventually resemble a broadcast medium like television or radio, with users reading messages written by celebrities and corporations rather than writing their own "tweet" messages of up to 140 characters, suggests a new study coauthored by Andrew T. Stephen, assistant professor of business administration and Katz Fellow in Marketing in the University of Pittsburgh's Joseph M. Katz Graduate School of Business and College of Business Administration. In one of the first studies to use social media as a laboratory for social ...

People can 'beat' guilt detection tests by suppressing incriminating memories

2013-05-29
New research published by an international team of psychologists has shown that people can suppress incriminating memories and thereby avoid detection in brain activity guilt detection tests. Such tests, which are commercially available in the USA and are used by law enforcement agencies in several countries, including Japan and India, are based on the logic that criminals will have specific memories of their crime stored in their brain. Once presented with reminders of their crime in a guilt detection test, it is assumed that their brain will automatically and uncontrollably ...

Pigeons peck for computerized treat

2013-05-29
Go to about any public square, and you see pigeons pecking at the ground, always in search of crumbs dropped by a passerby. While the pigeons' scavenging may seem random, new research by psychologists at the University of Iowa suggest the birds are capable of making highly intelligent choices, sometimes with problem-solving skills to match. The study by Edward Wasserman and colleagues centered on the "string task," a longstanding, standard test of intelligence that involves attaching a treat to one of two strings and seeing if the participant (human or animal) can reel ...

Study finds that radiation oncology research is critically underfunded by NIH

2013-05-29
Radiation oncology research received 197 grants, totaling only 1.6 percent ($85.5 million) of the $5.4 billion in cancer research funding from the National Institutes of Health (NIH) in Fiscal Year (FY) 2013, according to a study available online and in the June 1, 2013, print issue of the International Journal of Radiation Oncology • Biology • Physics (Red Journal), the official scientific journal of the American Society for Radiation Oncology (ASTRO). The study reviewed the more than 50,000 grants funded by the NIH, totaling $30.9 billion. Investigation revealed 952 ...

Brain haemorrhage patients offered better treatment

2013-05-29
An international trial has provided surgeons with a formula which predicts when brain haemorrhage patients need surgery for the best outcome. Brain haemorrhage affects some 4 million patients a year worldwide and the trial, run from Newcastle University, will help to ensure the best treatment is given at the right time. David Mendelow, Professor of Neurosurgery at Newcastle University and honorary consultant within the Newcastle Hospitals NHS Foundation Trust, who ran the trials, has devised a formula published today in The Lancet online which will allow surgeons to ...

'Junk DNA' plays active role in cancer progression, researchers find

2013-05-29
Scientists at The University of Nottingham have found that a genetic rogue element produced by sequences until recently considered 'junk DNA' could promote cancer progression. The researchers, led by Dr Cristina Tufarelli, in the School of Graduate Entry Medicine and Health Sciences, discovered that the presence of this faulty genetic element — known as chimeric transcript LCT13 — is associated with the switching off of a known tumour suppressor gene (known as TFPI-2) whose expression is required to prevent cancer invasion and metastasis. Their findings, published online ...

Recovery of Hawaiian green sea turtles still short of historic levels, Stanford-led study suggests

2013-05-29
Calls to lift protections for the iconic Hawaiian green sea turtle may be premature, according to a new study led by a Stanford researcher. Although the number of Hawaiian green sea turtles has increased since 1978 when the species was listed under the U.S. Endangered Species Act, the population may still be only a fraction of historic levels, the research shows. "It's critical to compare the animal's population level to its historic abundance, not just to recent levels," said study coauthor John N. "Jack" Kittinger, an early career fellow at Stanford's Center for Ocean ...

Gene therapies for regenerative surgery are getting closer, says review in PRS

2013-05-29
Philadelphia, Pa. (May 29, 2013) – Experimental genetic techniques may one day provide plastic and reconstructive surgeons with an invaluable tool—the ability to promote growth of the patient's own tissues for reconstructive surgery. A review of recent progress toward developing effective gene therapies for use in "regenerative surgery" appears in the June issue of Plastic and Reconstructive Surgery®, the official medical journal of the END ...

Tobacco companies are not public health stakeholders

2013-05-29
When assessing information presented by the tobacco industry, the US regulator, the Food and Drug Administration (FDA) and regulatory bodies in other countries, should be aware that they are dealing with companies with a long history of intentionally misleading the public. They therefore should actively protect their public-health policies on smoking from the commercial interests of the tobacco industry and not consider the industry as a stakeholder, concludes a study by experts from the US and Germany published in this week's PLOS Medicine. The researchers, led by Stanton ...

Psychotherapy's benefits for depression

2013-05-29
Treatments for depression that don't involve antidepressant drugs but rather focus on different forms of talking therapy (referred to as psychotherapeutic interventions) are all beneficial, with no one form of therapy being better than the others, according to a study by international researchers published in this week's PLOS Medicine. These findings are important as they suggest that patients with depression should discuss different forms of non-drug therapy with their doctors and explore which type of psychotherapy best suits them. The researchers, led by Jürgen Barth ...
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