Saturday, October 5, 2013

FeedaMail: ScienceDaily: Most Popular News

feedamail.com ScienceDaily: Most Popular News

Creative app for dementia careworkers

Dementia is an ageing-related condition affecting mental acuity and memory. Incidence doubles in a population for every five years over the age of 65 years, so that almost one fifth of those living to 85 can expect to have the condition and a third of those over the age of 95 will likely be affected. As the population ages through better nutrition and healthcare, we can expect absolute numbers of people with dementia to continue to rise.

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Cancer survivors in rural areas forgo health care because of cost

Older cancer survivors living in rural areas are more likely to forgo medical and dental care because of financial concerns compared with older cancer survivors living in urban areas.

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Experts devise a way to cut radiation exposure in children needing repeat brain scans

A team of pediatric neurosurgeons and neuroradiologists has developed a way to minimize dangerous radiation exposure in children with a condition that requires repeat CT scans of the brain. The experts say they reduced exposure without sacrificing the diagnostic accuracy of the images or compromising treatment decisions.

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A better device to detect ultraviolet light

Researchers have developed a new photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and harm living creatures.

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Ultraviolet light to the extreme: Experiments may help in the design of new sources of extreme ultraviolet light

When you heat a tiny droplet of liquid tin with a laser, plasma forms on the surface of the droplet and produces extreme ultraviolet (EUV) light, which has a higher frequency and greater energy than normal ultraviolet. Now, researchers have mapped this EUV emission and developed a theoretical model that explains how the emission depends on the three-dimensional shape of the plasma. In doing so, they found a previously untapped source of EUV light.

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Genetics used to sort out poorly known -- and hunted -- whale species

Saving the whales often means knowing -- sometimes genetically -- one group of whales from another, say researchers attempting to define populations of a medium-sized and poorly understood baleen whale that is sometimes targeted by Japan's scientific whaling program. In a new study, scientists are working to define separate groups and subspecies of the Bryde's whale in the Indian and western Pacific Oceans.

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How instagram can ruin your dinner

Warning Instagrammers: you might want to stop taking so many pictures of your food. New research finds that looking at too many pictures of food can actually make it less enjoyable to eat.

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Silencing sudden death

Hypertrophic cardiomyopathy -- a disease in which cardiac muscle thickens, weakening the heart -- can be prevented from developing for several months by reducing production of a mutant protein. This study has been performed on mice.

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Neglect of 'science communication environment' puts vaccine acceptance at risk

Failure to use science of science communication contributed to public controversy over HPV vaccine and could provoke similar conflict over other childhood vaccines.

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Reading literary fiction improves 'mind-reading' skills

Researchers have published a paper demonstrating that reading literary fiction enhances a set of skills and thought processes fundamental to complex social relationships -- and functional societies. These researchers performed five experiments to measure the effect of reading literary fiction on participants' Theory of Mind, the complex social skill of "mind-reading" to understand others' mental states.

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Researchers uncover keys to antibiotic resistance in MRSA

Researchers have published research results this week that show how methicillin-resistant Staphylococcus aureus (MRSA) regulates the critical crosslinking of its cell wall in the face of beta-lactam antibiotics.

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Nano-dissection identifies genes involved in kidney disease

A new method developed by researchers called "in silico nano-dissection" uses computers rather than scalpels to separate and identify genes from specific cell types, enabling the systematic study of genes involved in diseases.

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New therapeutic agents that may benefit leukemia patients

An cancer researcher and his colleagues have discovered new therapeutic targets and drugs for certain types of leukemia or blood cancer.

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College students worried about climate change hazards

Results of survey of University of Florida students gauging perceptions, level of fear re: climate change.

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