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NASA sees inner-core structure of Typhoon Usagi persisted at landfall

2013-09-24
The radar on NASA and JAXA's Tropical Rainfall Measuring Mission (TRMM) satellite saw Typhoon Usagi maintaining some of its inner-core structure an hour before landfall on Sept. 22, 2013. The data was used to create an image that showed the 3-D regions of heavy precipitation hiding under the circular cloud cover near Usagi's center of rotation. While the light precipitation regions had lost the appearance of organization, the heavy precipitation regions showed what appeared to be a ~50 km/31.0 mile-radius eye wall, with multiple rain bands further away from the center. ...

Do anaesthetics trigger stress?

2013-09-24
New research could improve the welfare standards of millions of fish used by scientists around the world. The study, published in PLOS ONE, is one of the first to formally assess the welfare implications of anaesthetics on fish. Researchers use fish to study the developmental origins of health and disease. The work, carried out in collaboration between the University of Bristol's School of Veterinary Sciences and AstraZeneca Brixham Environmental Laboratory, investigated whether scientists are using the right anaesthetics and if current best practice for fish could ...

Artificial lighting and noise alter biorhythms of birds

2013-09-24
This news release is available in German. Leipzig. Noise from traffic and artificial night lighting cause birds in the city centre to become active up to five hours earlier in the morning than birds in more natural areas. These were the findings from an investigation conducted on 400 blackbirds in Leipzig by the interdisciplinary research group "Loss of the Night". Scientists from the Helmholtz Centre for Environmental Research (UFZ) reported in the open-access journal PLOS ONE that these findings showed how ambient noise and light pollution caused by humans have ...

New theory for analyzing interacting nuclear spins in solvents

2013-09-24
Hardly a spectroscopic method boasts so many different applications as nuclear magnetic resonance spectroscopy, better known as "NMR". The approach of NMR spectroscopy is based on monitoring the so-called nuclear spin, namely the angular momentum of atoms, or, more precisely: the magnetic moment associated with them. The atom thus becomes a bar magnet, whose axis is aligned within a magnetic field but is otherwise arbitrarily oriented within its environment. The alignment can be altered by applying electromagnetic radiation in the radio wavelength, typically at several ...

Reliable method detects suicidal propensity

2013-09-24
A simple measurement of the sweat gland activity of a depressed person can determine if he or she is suicidal – with 97 per cent accuracy. Now another large clinical study confirms the correlation. Blood pressure, blood circulation and activity in the sweat glands of the fingers can reveal if a person is suicidal. "The results are so strong that I'm astonished", says Lars-Håkan Thorell, associate professor in experimental psychiatry at Linköping University, one of the researchers behind the study. "We can determine very accurately whether a person risks committing suicide, ...

Researchers use smart phone photography to diagnose eye disease

2013-09-24
BOSTON (Sept. 24, 2013) – Retinal (or fundus) photography is an essential part of any ophthalmology practice. Commercial fundus cameras can cost tens to hundreds of thousands of dollars, making the technology out of reach for smaller ophthalmic practices and to physicians in third-world countries. In a recent study now on line, Massachusetts Eye and Ear researchers describe the relatively simple technique of fundus photography in human and rabbit eyes using a smartphone, an inexpensive app for the smartphone, and instruments that are readily available in an ophthalmic practice. Smartphones ...

AGU Journal Highlights -- Sept. 24, 2013

2013-09-24
The following highlights summarize research papers that have been recently published in Journal of Geophysical Research-Atmospheres (JGR-D), Journal of Geophysical Research-Solid Earth (JGR-B) and Paleoceanography. In this release: 1. Statistically linking extreme precipitation to global warming 2. The mixed mechanisms of large-earthquake nucleation 3. Evaluating solutions to the faint young Sun problem 4. Updated ice core record captures Industrial Era carbon variability 5. Mechanism could explain rapid, dramatic, cyclic Arctic warming 6. Reconstructing ancient ...

HPV linked to growing number of young adults with oropharyngeal cancer

2013-09-24
VIDEO: Lead author Dr. Farzan Siddiqui, a Radiation Oncologist at Henry Ford Hospital, says the sexual revolution of the 1960s and 1970s led to an increased transmission and infection HPV, which... Click here for more information. DETROIT – The human papillomavirus (HPV) may be to blame for the alarming increase of young adults with oropharyngeal cancer, according to researchers from Henry Ford Hospital in Detroit. The study reveals an overall 60 percent increase from 1973 ...

Targeted radiation therapy safe, effective treatment for elderly with pancreatic cancer

2013-09-24
DETROIT – A highly targeted cancer radiation therapy may offer a safe and effective treatment option for elderly pancreatic cancer patients unable to undergo surgery or combined chemotherapy and radiation therapy, according to researchers at Henry Ford Hospital in Detroit. Called stereotactic body radiotherapy (SBRT), the study finds patients lived, on average, six to seven months longer following treatment with minimal side-effects even when they had other severe comorbidities such as chronic obstructive pulmonary disease (COPD), heart disease and diabetes. Two of ...

Study confirms that rare mutations increase risk of late-onset Alzheimer's disease

2013-09-24
Massachusetts General Hospital (MGH) researchers have identified and validated two rare gene mutations that appear to cause the common form of Alzheimer's disease (AD) that strikes after the age of 60. The two mutations occur in a gene called ADAM10 – coding for an enzyme involved in processing the amyloid precursor protein – which now becomes the second pathologically-confirmed gene for late-onset AD and the fifth AD gene overall. In their report, which will appear in the October 16 issue of Neuron and has been released online, the investigators from the MassGeneral ...

New research shows how heart cells communicate to regulate heart activity

2013-09-24
VIDEO: The Western University research led by Robarts Research Institute scientist Robert Gros, Ph.D., found the heart is regulated not only by nervous systems but also by heart cells sending messages... Click here for more information. New research from Western University (London, Canada) is leading to a better understanding of what happens during heart failure; knowledge that could lead to better therapeutics or a more accurate predictor of risk. The research led by Robarts ...

NASA sees Typhoon Pabuk's veiled eye

2013-09-24
NASA's Aqua satellite orbit around the Earth took it right over Typhoon Pabuk and the image showed an eye veiled with some high clouds. The Moderate Resolution Imaging Spectroradiometer or MODIS instrument that flies aboard NASA's Aqua satellite captured a visible image of Typhoon Pabuk on Sept. 24 at 04:05 UTC as it was nearing Japan. In the image, high clouds draped over Pabuk's eye. Pabuk's eye is about 30 nautical miles/34.5 miles/55.5 km wide, about three times larger than Typhoon Usagi's eye before it made landfall in China earlier in the week. On Tuesday, Sept. ...

Regenstrief, IU automated CHICA system makes ADHD diagnosis more accurate

2013-09-24
INDIANAPOLIS - Asking three questions of parents of 5- to 12-year-olds in the waiting room before a pediatrician visit may make a lifetime of difference for their child, according to a new study from Regenstrief Institute and Indiana University investigators. Does your child OFTEN make careless mistakes or not pay close attention to details, causing problems at home or school? Does your child OFTEN have difficulty remaining seated when asked to do so, causing problems at home or school? Does your child OFTEN have a hard time paying attention to tasks or play, causing ...

A single mild blast exposure can cause brain injuries with similarities to Alzheimer's disease

2013-09-24
A new study published in the September issue of the Journal of Alzheimer's Disease reports that even a single mild explosion can cause changes in the brain that have similarities to those found in diseases like Alzheimer's disease and chronic traumatic encephalopathy. Flying debris or getting thrown against other objects are not the only things that make explosions so dangerous. The primary shock waves that emanate from explosions also can kill a person if they are intense enough. However, most blast survivors experience less powerful shock waves that cause less severe ...

Scientists discover possible way to turn fungus from foe to friend

2013-09-24
Candida albicans is a double agent: In most of us, it lives peacefully, but for people whose immune systems are compromised by HIV or other severe illnesses, it is frequently deadly. Now a new study from Johns Hopkins and Harvard Medical School shows how targeting a specific fungal component might turn the fungus from a lion back into a kitten. Study results were reported this month in The Journal of Biological Chemistry. "Treatment options for systemic Candida infections are limited, and a major difficulty in finding new drug targets is that fungi are closely related ...

New steering tech for heavy equipment saves fuel, ups efficiency

2013-09-24
WEST LAFAYETTE, Ind. -- Researchers at Purdue University have shown how to reduce fuel consumption while improving the efficiency of hydraulic steering systems in heavy construction equipment. The new approach incorporates several innovations: It eliminates valves now needed to direct the flow of hydraulic fluid in steering systems and uses advanced algorithms and models to precisely control hydraulic pumps. New designs might also incorporate textured "microstructured" surfaces inside pumps to improve performance. "Fuel consumption of heavy off-road equipment accounts ...

Disease-specific human embryonic stem cell lines from King's College London placed on NIH Registry

2013-09-24
Scientists from King's College London have announced that 16 human embryonic stem (hES) cell lines have been approved by the US National Institutes of Health (NIH) and placed on their Stem Cell Registry, making them freely available for federally-funded research in the USA. The stem cell lines, which carry genes for a variety of hereditary disorders such as Huntington's disease, spinal muscular dystrophy and cystic fibrosis, are considered to be ideal research tools for designing models to understand disease progression, and ultimately in helping scientists develop new ...

Scientists discover environmental enrichment for TBI patients may counter shrinkage in the brain

2013-09-24
TORONTO, September 24, 2013 – For the first time, scientists at Toronto Rehab have found that in people with chronic moderate-severe traumatic brain injury (TBI), atrophy (shrinkage) in the brain may be countered by participating in environmental enrichment – increased physical, social and cognitive stimulation. The paper, entitled "Environmental enrichment may protect against hippocampal atrophy in the chronic stages of traumatic brain injury," was published today in the open-access journal Frontiers in Human Neuroscience. The principal investigator of this study is ...

World Heart Day 2013

2013-09-24
Sophia Antipolis, 29 September 2013: Obese children have blood vessel damage and insulin resistance that are precursors to atherosclerosis and diabetes, reveals research by Dr Norman Mangner presented at ESC Congress 2013. The findings highlight the need to adopt a healthy lifestyle early in life to prevent cardiovascular disease (CVD) which is the theme of World Heart Day 2013, held today. Professor Grethe Tell (Norway), ESC prevention spokesperson, said: "On World Heart Day 2013 the ESC is emphasising the importance of a healthy lifestyle from a young age. One in 10 ...

Professional French horn players in danger of developing noise-induced hearing loss

2013-09-24
FALLS CHURCH, Va. (September 24, 2013) — Professional French horn players may need to seriously consider adopting effective strategies to prevent noise induced hearing loss (NIHL). A new study published online in the Journal of Occupational and Environmental Hygiene (JOEH) found further evidence that French horn players are one of the most at-risk groups of developing NIHL among professional orchestral musicians. "Using both conservative and lenient criteria for hearing loss and correcting for age, we found that between 11 percent and 22 percent of the participants showed ...

Penn Medicine study: Proton therapy cuts side effects for pediatric head and neck cancer patients

2013-09-24
ATLANTA -- The precise targeting and limited dosing of radiation via proton therapy is proving to be an advantage in ongoing efforts to reduce treatment side effects among head and neck cancer patients, according to a new study of pediatric patients from researchers at the Perelman School of Medicine at the University of Pennsylvania. The results were presented Monday at the 55th annual meeting of the American Society for Radiation Oncology (ASTRO) conference. "Children are especially susceptible to the side effects of radiation therapy, and treating them for head and ...

Uphill for the trees of the world

2013-09-24
Human civilisation has had an impact on the world, and it continues to have an even greater impact. One of these is that the forests have been cleared and especially so in flat lowlands, so that they have gradually become restricted to steep terrain. This pattern is now emerging all across the world. Developed countries have been particularly efficient at removing forests from fertile, flat areas of land. The process has been going on throughout the last centuries, for example in Europe. And there is a clear correlation. The better the economy, the better the political ...

Penn Medicine researchers harness the immune system to fight pancreatic cancer

2013-09-24
PHILADELPHIA -- Pancreatic cancer ranks as the fourth-leading cause of cancer death in the United States, and is one of the most deadly forms of cancer, due to its resistance to standard treatments with chemotherapy and radiation therapy and frequently, its late stage at the time of diagnosis. A group of researchers led by the University of Pennsylvania's Perelman School of Medicine and Abramson Cancer Center, in collaboration with scientists from the University of Pittsburgh and University of Washington, published results of a clinical trial in which the standard chemotherapy ...

Past weight loss an overlooked factor in disordered eating

2013-09-24
PHILADELPHIA (September 24, 2013)— Dieters and weight loss researchers are familiar with the principle: The more weight you've lost, the harder it is to keep it off. A complex and vicious cycle of biological and behavioral factors make it so. But eating disorder research has largely overlooked this influence, and Dr. Michael Lowe, a professor of psychology at Drexel University, has published a flurry of research studies showing that needs to change. "The focus of eating disorder research has very much been on the state of patients' thoughts, beliefs, emotions and personalities," ...

Older is wiser, at least economically

2013-09-24
RIVERSIDE, Calif. — The brains of older people are slowing but experience more than makes up for the decline, a University of California, Riverside assistant professor of management and several colleagues found when asking the participants a series of financially related questions. Ye Li, the UC Riverside assistant professor, and Martine Baldassi, Eric J. Johnson and Elke U. Weber, all currently or formerly of Columbia University, outlined the results in a paper, "Complementary Cognitive Capabilities: Economic Decision Making, and Aging," which was just published in the ...
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