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NASA's Aqua satellite puts two eyes on Hurricane Bertha

NASAs Aqua satellite puts two eyes on Hurricane Bertha
2014-08-05
Two instruments or "eyes" from NASA's Aqua satellite were peering at Hurricane Bertha in the North Atlantic Ocean shortly after it became the season's second hurricane. Bertha's hurricane status didn't last long as it weakened to a tropical storm today, August 5. The Atmospheric Infrared Sounder or AIRS instrument aboard Aqua provides infrared data, while the Moderate Resolution Imaging Spectroradiometer or MODIS instrument provides visible data. Together, these instruments give scientists and forecasters a good look inside and outside of the storm to help determine what's ...

Training schemes help jobless men feel better about themselves

2014-08-05
Do the UK government's welfare-to-work training schemes improve the happiness and well-being of its unemployed citizens? Yes, and especially that of jobless men, says Daniel Sage of the University of Stirling in the UK in an article in Springer's Journal of Happiness Studies. His detailed analysis of data from the UK's Annual Population Survey shows that such active labor market programs that mimic the routines of the workplace work best. Being unemployed can have a long-term scarring effect on a person's subjective sense of well-being and levels of life worth, happiness, ...

Does your training routine really need to be that complicated?

2014-08-05
This news release is available in French. Ottawa, ON -- A new study just published in the journal Applied Physiology, Nutrition, and Metabolism investigated the value of the Pre-Exhaustion (PreEx) training method and found that that the various arrangements of different exercise protocols is of less relevance than simply performing resistance training exercises with a high intensity of effort within any protocol. As resistance training is becoming a major intervention for health and disease prevention, improved understanding in this area is increasingly important. PreEx ...

Surprise discovery could see graphene used to improve health

2014-08-05
A chance discovery about the 'wonder material' graphene – already exciting scientists because of its potential uses in electronics, energy storage and energy generation – takes it a step closer to being used in medicine and human health. Researchers from Monash University have discovered that graphene oxide sheets can change structure to become liquid crystal droplets spontaneously and without any specialist equipment. With graphene droplets now easy to produce, researchers say this opens up possibilities for its use in drug delivery and disease detection. The findings, ...

Warning to parents on high acidity drinks

2014-08-05
Dental researchers at the University of Adelaide are warning parents of the dangers of soft drinks, fruit juice, sports drinks and other drinks high in acidity, which form part of a "triple-threat" of permanent damage to young people's teeth. For the first time, researchers have been able to demonstrate that lifelong damage is caused by acidity to the teeth within the first 30 seconds of acid attack. The researchers say drinks high in acidity combined with night-time tooth grinding and reflux can cause major, irreversible damage to young people's teeth. "Dental erosion ...

Pheromones regulate aggression of non-mother female mice toward pups in wild-derived mice

Pheromones regulate aggression of non-mother female mice toward pups in wild-derived mice
2014-08-05
Laboratory mice are one of the most common animal models used in biological and medical research. Thousands of laboratory mouse strains are produced by artificial selection – the process by which humans breed animals over dozens of generations for particular traits. This has led to the domestication of mice: strengthening specific qualities that make them well-adapted for research under laboratory conditions, such as rapid reproduction, while eliminating characteristics that are not conducive to research, for example, aggression, the desire and ability to escape from danger, ...

Eating more dietary pulses can increase fullness, may help manage weight

Eating more dietary pulses can increase fullness, may help manage weight
2014-08-05
TORONTO, Aug. 5, 2014 – Eating about one serving a day of beans, peas, chickpeas or lentils can increase fullness, which may lead to better weight management and weight loss, a new study has found. A systematic review and meta-analysis of all available clinical trials found that people felt 31 per cent fuller after eating on average 160 grams of dietary pulses compared with a control diet, according to senior author Dr. John Sievenpiper of St. Michael's Hospital's Clinical Nutrition and Risk Factor Modification Centre. His group's findings were published in the August ...

Social networking is key to helping bugs spread, study shows

Social networking is key to helping bugs spread, study shows
2014-08-05
Fresh discoveries about how bacteria co-operate with each other when causing infection could help scientists identify animal diseases that might transmit to people. Bugs that can co-operate best with each other are most likely to be able to jump to new species, including humans, a new study shows. Bacteria interact by releasing molecules to help them adapt to their environment – for example, when killing competing infections in their victim. They co-ordinate these actions by releasing tiny amounts of chemicals as signals. Bacteria that can co-operate to create an ...

LEDs made from 'wonder material' perovskite

LEDs made from wonder material perovskite
2014-08-05
A hybrid form of perovskite - the same type of material which has recently been found to make highly efficient solar cells that could one day replace silicon - has been used to make low-cost, easily manufactured LEDs, potentially opening up a wide range of commercial applications in future, such as flexible colour displays. This particular class of semiconducting perovskites have generated excitement in the solar cell field over the past several years, after Professor Henry Snaith's group at Oxford University found them to be remarkably efficient at converting light to ...

Smart bacteria help each other survive

2014-08-05
The body's assailants are cleverer than previously thought. New research from Lund University in Sweden shows for the first time how bacteria in the airways can help each other replenish vital iron. The bacteria thereby increase their chances of survival, which can happen at the expense of the person's health. The bacteria Haemophilus influenzae is a type of bacteria in the respiratory tract that can cause ear infections and worsen the prognosis for COPD patients. In rare cases, it can also lead to meningitis and septicaemia. "By accepting help from a specific protein, ...

Carnegie Mellon photo editing tool enables object images to be manipulated in 3-D

Carnegie Mellon photo editing tool enables object images to be manipulated in 3-D
2014-08-05
PITTSBURGH—Editors of photos routinely resize objects, or move them up, down or sideways, but Carnegie Mellon University researchers are adding an extra dimension to photo editing by enabling editors to turn or flip objects any way they want, even exposing surfaces not visible in the original photograph. A chair in a photograph of a living room, for instance, can be turned around or even upside down in the photo, displaying sides of the chair that would have been hidden from the camera, yet appearing to be realistic. This three-dimensional manipulation of objects in ...

Rituals can help older people remember to take their asthma meds

2014-08-05
Storing it in the bathroom and making it part of a daily routine may be helpful advice that doctors can give their older asthmatic patients who struggle to remember to take their daily prescribed medication. This advice comes from Alex Federman, Associate Professor of Medicine at the Icahn School of Medicine in New York City, senior author of a study which discusses how elderly asthmatics cope with taking their inhaled corticosteroid medication as prescribed. The findings appear in the Journal of General Internal Medicine, published by Springer. The regular use of such ...

Clues to the ageing of tendons unlocked for the first time

2014-08-05
University of Liverpool scientists have examined the mechanisms that cause ageing in the tendons of horses, opening up the possibility of better treatment for humans. It has been understood for many years that tendons are highly prone to injury and that this likelihood increases as they age. Why this happens, is currently poorly understood Now, using samples taken from young and old horses, which have similar tendon properties to those of humans, the team of researchers, which also included scientists from Queen Mary University of London, performed a range of tests ...

Scientists call for increased conservation efforts to save black bears

Scientists call for increased conservation efforts to save black bears
2014-08-05
COLUMBIA, Mo. – Between 1880 and 1920, the Central Interior Highlands (CIH), consisting of Missouri, Oklahoma and Arkansas, saw the height of deforestation that also decreased the habitat for black bears and other forest species. To combat the decline of black bears and repopulate the mountainous region, more than 250 bears from Minnesota and Manitoba were relocated to Arkansas in the 1950s and 1960s. Now, researchers at the University of Missouri have analyzed genetic diversity in black bears in the CIH and have determined that coordinated conservation management is still ...

Obesity paradox in survival from sepsis

2014-08-05
ANN ARBOR, Mich. – University of Michigan Health System researchers revealed an obesity paradox among older Americans suffering from sepsis. In a study of 1,404 Medicare beneficiaries, heavier patients were more likely to survive sepsis, a life-threatening infection that can lead to a stay in a hospital's intensive care unit. The findings, published in the August issue of Critical Care Medicine, raise interesting questions about how obesity impacts the body's response to infection. Obesity is most often connected with worse, not better, health outcomes. "Physicians ...

Researchers determine why tendons break down with age

2014-08-05
Scientists at Queen Mary University of London (QMUL) have identified differences in the proteins present in young and old tendons, in new research that could guide the development of treatments to stop tissue breakdown from occurring. Tendon structure in horses is similar to humans, and both face common injuries. The researchers used a horse model to undertake a thorough analysis of all the proteins and protein fragments present in healthy and injured tendons. Working with scientists at the University of Liverpool, the team collected data, which shows that healthy, ...

Used-cigarette butts offer energy storage solution

2014-08-05
A group of scientists from South Korea have converted used-cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines to store energy. Presenting their findings today, 5 August 2014, in IOP Publishing's journal Nanotechnology, the researchers have demonstrated the material's superior performance compared to commercially available carbon, graphene and carbon nanotubes. It is hoped the material can be used to coat the electrodes of supercapacitors—electrochemical components that can ...

Mammography benefits women over 75

Mammography benefits women over 75
2014-08-05
OAK BROOK, Ill. – Mammography-detected breast cancer is associated with a shift to earlier stage diagnosis in older women, subsequently reducing the rate of more advanced, difficult-to-treat cases, according to a new study published online in the journal Radiology. Researchers said the findings lend support to regular mammography screening in women ages 75 and older. The value of mammography screening in older women has been subject to much debate in recent years. The American Cancer Society recommends annual mammograms for women age 75 and older as long as they are ...

Patients with autism spectrum disorder are not sensitive to 'being imitated'

2014-08-05
A Japanese research group led by Prof Norihiro Sadato, a professor of the National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences (NINS), has found that people with autism spectrum disorders (ASD) have decreased activity in an area in the brain critical for understanding if his/her movement was imitated by others. These results will be published in Neuroscience Research (available online at http://www.sciencedirect.com/science/article/pii/S0168010214001254). The research group of Norihiro Sadato, a professor of NIPS, Hirotaka Kosaka, ...

Boost for cancer prevention research

2014-08-05
Queen's University scientists are helping to spearhead a new £6 million initiative to find better ways to prevent cancer. The new initiative, led by Cancer Research UK with matching investment from the BUPA Foundation, aims to support cutting-edge research to find better ways to prevent cancer. It is estimated that more than four in ten cancer cases could be prevented by lifestyle changes, such as not smoking, keeping a healthy body weight, cutting back on alcohol, eating a healthy diet, keeping active and staying safe in the sun. Professor Frank Kee, who directs the ...

Research explores why interval walking training is better than continuous walking training

2014-08-05
New research published in Diabetologia (the journal of the European Association for the Study of Diabetes) suggests that training with alternating levels of walking intensity (interval training) could be better than walking at a constant speed to help manage blood sugar in people with type 2 diabetes. The research is by Dr Thomas Solomon, University of Copenhagen, Denmark, and colleagues. The effects of exercise on blood sugar (glycaemic) control in individuals with type 2 diabetes are well documented but the optimal exercise intensity and type remains to be defined. ...

Study predicts hepatitis C will become a rare disease in 22 years

Study predicts hepatitis C will become a rare disease in 22 years
2014-08-05
Effective new drugs and screening would make hepatitis C a rare disease by 2036, according to a computer simulation conducted by The University of Texas MD Anderson Cancer Center and the University of Pittsburgh Graduate School of Public Health. The results of the simulation are reported in the August 5 edition of the journal Annals of Internal Medicine. "Hepatitis C (HCV) is the leading cause of liver cancer and accounts for more than 15,000 deaths in the U.S. each year," said Jagpreet Chhatwal, Ph.D., assistant professor of Health Services Research at MD Anderson, and ...

Life expectancy gap between blacks and whites in the US varies considerably across states

2014-08-04
Racial differences in life expectancy have declined nationally but still vary substantially across U.S. states, according to a new study by McGill University researchers. The findings, published in the journal Health Affairs, suggest that state policies could play a key role in further reducing racial differences in mortality. The researchers calculated annual state-specific life expectancies for blacks and whites from 1990 to 2009 and found that progress was uneven across states during the past two decades. "Prior studies in the United States have shown that, for the ...

Medical consultations for surgical patients examined amid payment changes

2014-08-04
The use of medical consultations for surgical patients varied widely across hospitals, especially among patients without complications, in a study of Medicare beneficiaries undergoing colectomy (to remove all or part of their colon) or total hip replacement (THR). Internists and medical subspecialists are frequently called on to assess surgical patients and to help manage their care. As payers move toward bundled payments, hospitals need to better understand variations in practice and resources used during patient care. The authors examined hospital medical consultations ...

Identifying kids, teens with kidney damage risk after first urinary tract infection

2014-08-04
Bottom Line: Children and adolescents with an abnormal kidney ultrasonography finding or with a combination of a fever of at least 102 degrees and infection with an organism other than E.coli appear to be at high risk for renal scarring with their first urinary tract infection (UTI). Author: Nader Shaikh, M.D., of the Children's Hospital of Pittsburgh, and colleagues. Background: UTIs are a common and potentially serious bacterial infection in young children. UTIs can lead to permanent renal scarring in up to 15 percent of cases in this population. Significant scarring ...
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