Wednesday, June 26, 2013

FeedaMail: ScienceDaily: Most Popular News

feedamail.com ScienceDaily: Most Popular News

Preventing skin cancer in children begins with the right sunscreen

While most parents are aware that applying sunscreen to their children is important, many go wrong by not taking the time to choose the most effective sunscreen, or they don't understand the limitations of sunscreen.

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Human and canine lymphomas share molecular similarities, first large-scale comparison shows

Humans and their pet dogs are close, so close that they both develop a type of cancer called diffuse large B-cell lymphoma. In humans it's the most common lymphoma subtype while in dogs, it's one of the most common cancers in veterinary oncology.

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Blind(fold)ed by science: Study shows the strategy humans use to chase objects

A study found that people who are blindfolded employ the same strategy to intercept a running ball carrier as people who can see, which suggests that multiple areas of the brain cooperate to accomplish the task.

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Averting worse economic collapses

By managing macro-economic parameters, scientists believe that -- unlike previously thought -- it is possible to steer an economy around irreversible changes in its complex dynamics and avert potential economic disasters.

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New laser shows what substances are made of; could be new eyes for military

A new laser that can show what objects are made of could help military aircraft identify hidden dangers such as weapons arsenals far below.

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Video game tech used to steer cockroaches on autopilot

Researchers are using video game technology to remotely control cockroaches on autopilot, with a computer steering the cockroach through a controlled environment. The researchers are using the technology to track how roaches respond to the remote control, with the goal of developing ways that roaches on autopilot can be used to map dynamic environments -- such as collapsed buildings.

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How reliable are microchips for horse identification?

Until recently, horses were generally branded to be able to identify individual animals. Since this practice gives rise to longstanding wounds and brand marks cannot be reliably read, there has been a gradual switch towards the use of microchips. But how reliably can microchips be located and read, and are the horses injured by having chips implanted?

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Efficient production process for coveted nanocrystals

A formation mechanism of nanocrystalline cerium dioxide (CeO2), a versatile nanomaterial, has been unveiled. This finding potentially simplifies and alleviates the existing synthetic processes of nanocrystalline CeO2 production.

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Problem-solving governs how we process sensory stimuli

Various areas of the brain process our sensory experiences. How the areas of the cerebral cortex communicate with each other and process sensory information has long puzzled neuroscientists. Exploring the sense of touch in mice, brain researchers now demonstrate that the transmission of sensory information from one cortical area to connected areas depends on the specific task to solve and the goal-directed behavior. These findings can serve as a basis for an improved understanding of cognitive disorders.

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Research IDs potential treatment for deadly, HIV-related blood cancer

Researchers have discovered a promising new way to treat a rare and aggressive blood cancer most commonly found in people infected with HIV.

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Study details cancer-promoting mechanisms of overlooked components in secondhand smoke

A new study shows that overlooked components of secondhand smoke may help the more well known molecules like BaP cause and promote cancer.

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'Active surveillance' may miss aggressive prostate cancers in black men

A new study of more than 1,800 men ages 52 to 62 suggests that African-Americans diagnosed with very-low-risk prostate cancers are much more likely than white men to actually have aggressive disease that goes unrecognized with current diagnostic approaches. Although prior studies have found it safe to delay treatment and monitor some presumably slow-growing or low-risk prostate cancers, such "active surveillance" (AS) does not appear to be a good idea for black men, the study concludes.

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Antibiotic shows analgesic action following surgery

A single dose of the antibiotic ceftriaxone given for antimicrobial prophylaxis prior to surgery enhanced patient pain thresholds after the procedure, according to a new study.

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Past brain activation revealed in scans: Brain activity patterns preserve traces of previous cognitive activity

What if experts could dig into the brain, like archaeologists, and uncover the history of past experiences? This ability might reveal what makes each of us a unique individual, and it could enable the objective diagnosis of a wide range of neuropsychological diseases. New research hints that such a scenario is within the realm of possibility: It shows that spontaneous waves of neuronal activity in the brain bear the imprints of earlier events for at least 24 hours after the experience has taken place.

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Using serial neuroimaging studies to identify timing of abusive head trauma in infants

Researchers have categorized the appearance and evolution of abnormalities on neuroimages that represent abusive head trauma (AHT) in infants. Descriptions of these abnormalities are important for narrowing down the timing of AHT, which can aid police in identifying and excluding potential perpetrators. Appearances of various abusive traumatic injuries on cranial CT scans and MRIs at different time points are described and discussed.

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New screening approach quickly identifies small proteins unique to melanoma cells

Researchers have developed a new streamlined method to rapidly identify the genetic changes in small protein fragments unique to melanoma cancer cells. These fragments can be used as targets for tumor-infiltrating lymphocytes that have been shown to reduce cancerous lesions.

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Clearing up confusion on future of Colorado River flows

Leading experts on water issues in the Western U.S. have come together to establish what is known about the future of Colorado River water, and to understand the wide range of estimates for future flows.

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First-ever therapeutic offers hope for improving blood transfusions

Researchers from Case Western Reserve University School of Medicine have developed an unprecedented approach to restore nitric oxide (NO) to donated blood, a breakthrough that could dramatically reduce harmful effects from transfusions.

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Molecule considered to be a breast cancer indicator also has a protective function

One of the main indicators for determining the activity of a tumor or cancer is cell division. Cancer cells divide more than other types and the genes and molecules involved in the process of division are, often, targets for identifying and treating certain types of cancer. Researchers have now revealed that one of these molecules (PLK1 kinase), up to now thought to be related to cancer, can also be crucial for the proper functioning of the cell.

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Flu shot effective regardless of circulating flu strain, research finds

New research has found that despite popular belief, the flu shot is effective in preventing the flu, even if the virus going around does not match the vaccine.

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Vietnam vets with PTSD more than twice as likely to have heart disease

Male twin Vietnam veterans with post-traumatic stress disorder (PTSD) were more than twice as likely as those without PTSD to develop heart disease during a 13-year period, according to a new study.

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Heart failure survivors at greater risk for cancer, study shows

Heart failure patients are surviving more often with the heart condition but they are increasingly more likely to be diagnosed with cancer, a trend that could be attributed to increased surveillance, side effects of treatments, or other causes, according to a new study.

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Turn up the volume? A better way to broadcast over the noise

Loud, distorted and repetitive announcements are common in noisy public spaces like airports and train stations. But researchers in Sweden have found that voice manipulation works better than turning up the volume. 

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Researchers identify novel therapy to treat muscular dystrophy

Researchers have identified a combinatorial therapeutic approach that has proven effective in treating muscular dystrophy in a mouse model.

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Gene mutation may have effect on benefit of aspirin use for colorectal cancer

In two large studies, the association between aspirin use and risk of colorectal cancer was affected by mutation of the gene BRAF, with regular aspirin use associated with a lower risk of BRAF-wild-type colorectal cancer but not with risk of BRAF-mutated cancer, findings that suggest that BRAF-mutant colon tumor cells may be less sensitive to the effect of aspirin, according to a new study.

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Hiding in plain sight: New species of bird discovered in Cambodia's capitol Phnom Penh

A team of scientists with the Wildlife Conservation Society, BirdLife International, and other groups have discovered a new species of bird with distinct plumage and a loud call living not in some remote jungle, but in a capital city of 1.5 million people.

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Researchers strike gold with nanotech vaccine

Scientists have developed a novel vaccination method that uses tiny gold particles to mimic a virus and carry specific proteins to the body's specialist immune cells. The technique differs from the traditional approach of using dead or inactive viruses as a vaccine and was demonstrated in the lab using a specific protein that sits on the surface of the respiratory syncytial virus (RSV).

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One in five students in Grades 7-12 say they have had a traumatic brain injury in their lifetime

One in five adolescents surveyed in Ontario said they have suffered a traumatic brain injury that left them unconscious for five minutes or required them to be hospitalized overnight, a statistic researchers say is much higher than previously thought.

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Memory improves for older adults using computerized brain-fitness program

Researchers have found that older adults who regularly used a brain-fitness program on a computer demonstrated significantly improved memory and language skills.

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Language intervention levels playing field for English language learners

A new approach to teaching pre-kindergarten could take a bite out of the achievement gap and level the playing field for America's growing population of English language learners, according to a recent study.

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Overweight causes heart failure: Large study with new method clarifies the association

Scientists have used a new method to investigate obesity and overweight as a cause of cardiovascular disease. Strong association have been found previously, but it has not been clear whether it was overweight as such that was the cause, or if the overweight was just a marker of another underlying cause, as clinical trials with long-term follow-ups are difficult to implement.

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Technique to promote nerve regeneration after spinal cord injury restores bladder function in rats

Using a novel technique to promote the regeneration of nerve cells across the site of severe spinal cord injury, researchers have restored bladder function in paralyzed adult rats, according to a new study. The findings may guide future efforts to restore other functions lost after spinal cord injury. It also raises hope that similar strategies could one day be used to restore bladder function in people with severe spinal cord injuries.

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Climate tug of war disrupting Australian atmospheric circulation patterns

Further evidence of climate change shifting atmospheric circulation in the southern Australian-New Zealand region has been identified in a new study.

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Astronomers spy on galaxies in the raw

A radio telescope has detected the raw material for making the first stars in galaxies that formed when the Universe was just three billion years old -- less than a quarter of its current age.

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How men and women cooperate

Cooperation is essential in any successful romantic relationship, but how men and women experience cooperation emotionally may be quite different, according to new research. While men tend to mirror their partners' emotions during moments of high mutual cooperation, women might actually have the opposite response, suggests a new study.

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Realistic robot carp created: First robot fish with autonomous 3-D movement in Asia

Scientists have developed a robot fish that mimics the movements of a carp. This robot which is essentially an autonomous underwater vehicle (AUV) is ready for applications, as it can be programmed to perform specific functions, for example, for underwater archaeology such as exploring nooks and corners of wreckage -- or sunken city which are difficult for divers or traditional AUVs to access. Other applications include military activities, pipeline leakage detection, and the laying of communication cable.

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Songbirds turn on and tune up

Bullfinches learn from human teachers to sing melodies accurately, according to a new study. The analysis of human melody singing in bullfinches gives insights into the songbirds' brain processes.

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Calcium and vitamin D help hormones help bones

Should women take calcium and vitamin D supplements after menopause for bone health? Recommendations conflict, and opinions are strong. But now, an analysis from the major Women's Health Initiative trial throws weight on the supplement side -- at least for women taking hormones after menopause.

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Sea level along Maryland's shorelines could rise two feet by 2050

A new report on sea level rise recommends that the State of Maryland should plan for a rise in sea level of as much as 2 feet by 2050. The projections are based on an assessment of the latest climate change science and federal guidelines.

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You have the right to remain silent and look guilty

Saying 'no comment' in a police interview can make you look guilty, according to a study from the United Kingdom.

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Cutlery: Do size, weight, shape and color matter?

The appearance of cutlery can affect perception of a food's taste, a new study finds. Food tastes saltier when eaten from a knife, and denser and more expensive from a light plastic spoon. Taste was also affected by the color of the cutlery.

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Teenage physical fitness reduces the risk of suicidal behavior later in life

Being in good physical shape at 18 years of age can be linked with a reduced risk of attempted suicide later in life. So says a study of over one million Swedish men.

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Sailors most often injure their knees -- on land

The knees are the body part that is injured the most by dinghy sailors. The injuries are primarily due to overstrain and most often occur during physical training, according to a study by researchers in Sweden.

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