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Science Daily: News Articles in Science, Health, Environment Technology

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate environment, computers, engineering, health medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations. id=metasummary ScienceDaily -- the Internet's premier science news web site -- brings you the latest discoveries in science, health & medicine, the environment, space, technology, and computers, from the world's leading universities and research institutions. Updated several times a day, Science Daily also offers free search of its archive of more than 80,000 stories, as well as related articles, images, videos, books, and journal references in hundreds of different topics, including astronomy, biology, chemistry, engineering, geology, mathematics, physics, and more.



Most precise measurement of the proton's mass  

By means of precision measurements on a single proton, scientists have been able to improve the precision of the measurement of the mass of the proton by a factor of three and also corrected the existing value, finding it is significantly lighter than previously believed.

2017-07-21 13:40:22
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New PET-CT scan improves detection in rare cardiac condition  

Using a new imaging technique that can diagnose cardiac sarcoidosis much more accurately than traditional tests, researchers have found that the disease affects other organs in 40 percent of patients with cardiac sarcoidosis.

2017-07-21 13:30:36
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Rare discovery of three new toad species in Nevada's Great Basin  

Three new species of toads have been discovered living in Nevada's Great Basin in an expansive survey of the 190,000 square mile ancient lake bottom, report investigators.

2017-07-21 12:59:13
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Athletic trainers have a positive economic impact on sports coverage for health systems  

The cost-effectiveness of certified outreach athletic trainers (ATC) as a type of physician extender in an orthopaedic provider and/or hospital system setting has many benefits, both financially and with patient care, say researchers.

2017-07-21 12:53:42
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Most impactful neuroscience research  

A study of the 100 most-cited neuroscience articles has revealed that 78 of these papers cover five topics, including neurological disorders, the prefrontal cortex, brain connectivity, brain mapping and methodology studies.

2017-07-21 12:06:54
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Causes of severe antisocial behavior may differ for boys and girls  

The causes of severe antisocial behavior may differ between boys and girls, which could pave the way for new sex-specific treatments, according to a major new study.

2017-07-21 11:59:26
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Donor-recipient tissue mismatch analysis may help personalize treatment after transplant  

A molecular analysis of the mismatch between the tissues of donors and recipients helped predict which recipients required high doses of immune modulating drugs and which needed only low doses.

2017-07-21 11:31:01
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Different approaches offer patients improved quality of life after ACL reconstruction  

The most common surgical techniques used to repair a torn anterior cruciate ligament (ACL) offer patients improved quality of life five years after injury, according to new research.

2017-07-21 11:07:02
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Mountain glaciers recharge vital aquifers  

Small mountain glaciers play a big role in recharging vital aquifers and in keeping rivers flowing during the winter, according to a new study. The study also suggests that the accelerated melting of mountain glaciers in recent decades may explain a phenomenon that has long puzzled scientists -- why Arctic and sub-Arctic rivers have increased their water flow during the winter even without a correlative increase in rain or snowfall.

2017-07-21 11:06:56
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Assessing concussion symptom presentation may provide insight into rise in rates  

How physicians and athletic trainers assess symptoms may give insight into why concussion rates are on the rise, say researchers.

2017-07-21 10:46:35
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How physical exercise prevents dementia  

Physical exercise seems beneficial in the prevention of cognitive impairment and dementia in old age, numerous studies have shown. Now researchers have explored in one of the first studies worldwide how exercise affects brain metabolism.

2017-07-21 10:33:32
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The moon is front and center during a total solar eclipse  

In the lead-up to a total solar eclipse, most of the attention is on the sun, but Earth's moon also has a starring role.

2017-07-21 09:48:03
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Spatial orientation: New model for the origin of grid cells  

Neurobiologists present a new theory for the origin of the grid cells required for spatial orientation in the mammalian brain, which assigns a vital role to the timing of trains of signals they receive from neurons called place cells.

2017-07-21 09:39:16
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New type of soft, growing robot created  

A newly developed vine-like robot can grow across long distances without moving its whole body. It could prove useful in search and rescue operations and medical applications.

2017-07-21 09:38:11
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Patients can expect to stay active, enjoy high quality of life 10 years after ACL surgery  

In the first prospective ACL reconstruction cohort with over 80 percent follow-up at 10 years, researchers demonstrated that patients could perform sports-related functions and maintain a high knee-related quality of life a decade after surgery, though activity levels decline over time.

2017-07-21 09:19:42
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Micro- and nanotechnologies for quantitative biology and medicine  

Ten new reviews and original research reports that illustrate how the progression of research assays from qualitative outputs toward increasingly sensitive quantitative outputs is transforming life sciences and biomedical research and diagnostics by improving the ability of researchers and clinicians to detect and quantify increasingly complex assays.

2017-07-21 09:19:34
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Sleep disorders may increase cognitive problems particularly in those at risk for Alzheimer's  

People who carry a genetic susceptibility to Alzheimer's disease appear to be at greater risk of diminished cognition from sleep-disordered breathing than those without the susceptibility, according to new research.

2017-07-21 08:48:19
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Insights on preeclampsia: Rapid diagnosis  

A new test may help to rapidly diagnose preeclampsia in pregnant women. Elevated levels of fetal hemoglobin in the blood may play a role in the development of kidney damage associated with preeclampsia.

2017-07-21 08:42:51
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Pharmacology: Probing the pores in membrane vesicles  

Ion channels in the membrane vesicles that mediate intracellular protein transport play a crucial role in cell physiology. A method now allows them to be studied with greater specificity than ever before.

2017-07-21 07:52:57
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Tuning out arthritis pain with radio energy  

A noninvasive treatment for knee arthritis has been developed that uses cooled radio energy to target and interrupt pain signals.  Known as "Coolief," the procedure can provide several months of relief from chronic arthritis pain for patients for whom surgery is not an option.

2017-07-21 07:39:48
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Holographic imaging could be used to detect signs of life in space  

Engineers say a method called digital holographic microscopy could be used to detect living microbes in space.

2017-07-21 07:13:40
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Energy-efficient accelerator was 50 years in the making  

With the introduction of the Cornell-Brookhaven ERL Test Accelerator, scientists are following up on the concept of energy-recovering particle accelerators first introduced by physicist Maury Tigner at Cornell more than 50 years ago.

2017-07-21 06:42:09
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Native leech preys on invasive slug?  

Citizen science has revealed the spread of the invasive giant slug Limax maximus and its potential native predator in Japan, providing new insights into predator-prey dynamics between introduced prey and native predators.

2017-07-21 06:23:34
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Depression changes structure of the brain, study suggests  

Changes in the brain's structure that could be the result of depression have been identified in a major scanning study.

2017-07-21 06:01:40
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Five times the computing power  

Researchers have developed a method to increase by a factor of five the computing power of a standard algorithm when performed in one type of standard chip, FPGA. The new method is both simple and smart, but the road to publication has been long.

2017-07-21 05:57:46
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How enzymes produce hydrogen  

Researchers have clarified the crucial catalytic step in the production of hydrogen by enzymes. The enzymes, called [FeFe]-hydrogenases, efficiently turn electrons and protons into hydrogen. They are thus a candidate for the biotechnological production of the potential energy source.

2017-07-21 05:53:25
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Scanning the surface of lithium titanate  

Researchers have applied advanced scanning methods to visualize the previously unexplored surface of a superconductor: lithium titanate.

2017-07-21 05:35:50
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Sparkling springs aid quest for underground heat energy sources  

Studies of naturally carbonated mineral water have given scientists insight on how to locate hot water springs -- potential sources of sustainable geothermal energy.

2017-07-21 05:33:49
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Why sugary drinks and protein-rich meals don't go well together  

Having a sugar-sweetened drink with a high-protein meal may negatively affect energy balance, alter food preferences and cause the body to store more fat.

2017-07-21 04:29:44
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Best measure of star-forming material in galaxy clusters in early universe  

The international Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) collaboration has combined observations from several of the world's most powerful telescopes to carry out one of the largest studies yet of molecular gas -- the raw material which fuels star formation throughout the universe -- in three of the most distant clusters of galaxies ever found, detected as they appeared when the universe was only four billion years old.

2017-07-21 03:56:09
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Flashes of light on dark matter  

A web that passes through infinite intergalactic spaces, a dense cosmic forest illuminated by very distant lights and a huge enigma to solve. These are the picturesque ingredients of a scientific research that adds an important element for understanding one of the fundamental components of our Universe: dark matter.

2017-07-21 03:50:34
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MRSA emerged years before methicillin was even discovered  

Methicillin-resistant Staphylococcus aureus (MRSA) emerged long before the introduction of the antibiotic methicillin into clinical practice, according to a new study. It was the widespread use of earlier antibiotics such as penicillin rather than of methicillin itself which caused MRSA to emerge, researchers suggest.

2017-07-21 03:46:14
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New Kingdom Egypt: The goldsmith's tomb  

Archeologists are studying the impact of intercultural contacts in Ancient Egypt. New excavations in Sudan have uncovered a tomb dating to around 1450 BC on the island of Sai in the Nile.

2017-07-21 03:25:24
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North American monsoon storms fewer but more extreme  

The North American Monsoon now brings more extreme wind and rain to central and southwestern Arizona than in the past. Although there are now fewer storms, the largest monsoon thunderstorms bring heavier rain and stronger winds than did the monsoon storms of 60 years ago, according to new research. The dust storms, wind, flash flooding and microbursts that accompany monsoon storms can be a severe threat to people and property in Arizona.

2017-07-21 03:24:26
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On the path to vitamin A in rice  

Biochemists have elucidated the structure of an enzyme that supplies carotenoid, investigators report. The lack of vitamin A in food is a major cause of health problems worldwide and can lead to blindness and even death. This is especially a problem in threshold or third-world countries, where children are likely to suffer from a lack of vitamin A or its precursor beta-carotene due to malnourishment.

2017-07-21 03:06:54
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In saliva, clues to a 'ghost' species of ancient human  

In saliva, scientists have found hints that a 'ghost' species of archaic humans may have contributed genetic material to ancestors of people living in sub-Saharan Africa today. The research adds to a growing body of evidence suggesting that sexual rendezvous between different archaic human species may not have been unusual.

2017-07-21 02:48:45
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Vortex photons from electrons in circular motion  

A high energy electron in circular/spiral motion radiates vortex photons in the entire wavelength range from the radio-wave to the gamma-rays, researchers have shown theoretically and experimentally. This greatly broadens application spectra of the vortex photons in the field of physical science. Moreover, the finding indicates that vortex photons are ubiquitous in the universe. It paves a way to a completely new research field, natural vortex photon science.

2017-07-21 02:37:44
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Temperature, solar radiation, wind: Three parameters to predict a vehicle's cabin air temperature  

Parked vehicles can quickly become a life-threatening environment for unattended children or dogs during the summer months. Dangerous cabin temperatures can be reached in a matter of minutes. Researchers not only calculated the temperature rise but also developed a dynamic model that requires only three readily available parameters to predict this increase: outdoor air temperature, wind velocity and solar radiation. All three values are available on an hourly basis from standard meteorological s

2017-07-21 01:29:24
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Cow antibodies yield important clues for developing a broadly effective AIDS vaccine  

The elicitation of powerful, HIV-blocking antibodies in cows in a matter of weeks -- a process that usually takes years in humans -- has now been described by researchers. The unexpected animal model is providing clues for important questions at a moment when new energy has infused HIV vaccine research.

2017-07-20 21:35:01
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Gene variant increases risk for depression, study finds  

A gene variant, thought to be carried by nearly 25 percent of the population, increases the odds of developing depression, finds a new study. People with apolipoprotein-E4, called ApoE4 for short, have a 20 percent greater chance of developing clinically significant depressive symptoms later in life compared to those who don't have the gene variant, report the investigators.

2017-07-20 21:15:16
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Biological hydraulic system discovered in tuna fins  

The unique system of hydraulic control of fins discovered in tuna indicates a new role for the lymphatic system in vertebrates. This natural mechanism may inspire designs for new 'smart' control surfaces with changeable shape and stiffness for both air and underwater unmanned vehicles.

2017-07-20 20:09:01
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Crustal limestone platforms feed carbon to many of Earth's arc volcanoes  

A new analysis suggests that much of the carbon released from volcanic arcs, chains of volcanoes that arise along the tectonic plates of a subduction zone, comes from remobilizing limestone reservoirs in the Earth's crust.

2017-07-20 19:48:21
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Want to win at sports? Take a cue from these mighty mice  

As student athletes hit training fields this summer to gain the competitive edge, a new study shows how the experiences of a tiny mouse can put them on the path to winning. Scientists examined how surges of testosterone both before and after aggressive encounters led the male California mouse to win in future matches.

2017-07-20 19:01:29
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Paying people to protect forests is worth it  

A new study suggests that paying people to conserve their trees could be a highly cost-effective way to reduce deforestation and carbon emissions and should be a key part of the global strategy to fight climate change. The study sought to evaluate how effective 'Payments for Ecosystems' (PES) is at reducing deforestation.

2017-07-20 18:59:28
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3-D imaging of surface chemistry in confinement  

An optical imaging tool has been developed to visualize surface chemistry in real time. Researchers imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass is covered with hydroxyl (-OH) groups that can lose a proton -- a much-studied chemical reaction that is important in geology, chemistry and technology. A 100-micron long capillary displayed a remarkable spread in surface OH bond dissociation constant of a factor of a billion.

2017-07-20 16:41:14
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Sunny, rainy, or cloudy: New study shows how weather impacts response to mobile ads  

Among the many factors that impact digital marketing and online advertising strategy, a new study provides insight to a growing trend among firms and big brands: weather-based advertising. According to the study, certain weather conditions are more amenable for consumer responses to mobile marketing efforts, while the tone of your ad content can either help or hurt such response depending on the current local weather.

2017-07-20 16:09:31
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Art therapy best practices for children with autism  

A researcher is working with art therapists to find better ways to treat children who have Autism Spectrum Disorder (ASD). Researchers were able to develop a set of guidelines for delivering art therapy to children who have ASD.

2017-07-20 15:46:42
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Semiliquid chains pulled out of a sea of microparticles  

An electrode brought to the surface of a liquid that contains microparticles can be used to pull out surprisingly long chains of particles. Curiously enough, the particles in the chains are held together by a thin layer of liquid that covers them.

2017-07-20 14:23:55
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Evidence for the Majorana fermion, a particle that's its own antiparticle  

In a discovery that concludes an 80-year quest, researchers found evidence of particles that are their own antiparticles. These 'Majorana fermions' could one day help make quantum computers more robust.

2017-07-20 13:53:41
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Search and rescue dogs do their jobs despite travel stress  

When disaster strikes, you want the very best tools, functioning at their peak. In the case of catastrophic earthquakes, tornadoes, or even bombings in war zones, those tools are search and rescue dogs. But researchers have found that getting dogs to disaster sites can add to the animals' stress.

2017-07-20 13:47:10
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Nesting aids make agricultural fields attractive for bees  

Wild bees are important pollinators of many crop plants - sometimes they are even more efficient than honeybees. Their numbers can be increased sustainably using simple means as a recent study has found.

2017-07-20 13:41:40
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Molting feathers may help birds deal with environmental contaminants  

Mercury is a ubiquitous environmental contaminant that affects the health of birds and other wild animals.

2017-07-20 13:41:37
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Heat tweet: Users flock to Twitter when temperatures rise  

Researchers have examined the impact rising temperatures have on Twitter activity, and how government officials use the social media tool to warn the general public of heatwave conditions.

2017-07-20 13:38:15
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How CRISPR proteins find their target  

In addition to the Cas9 protein that bacteria use to bind and snip DNA, bacteria have other Cas proteins that know where to insert that viral DNA into the CRISPR region to remember which viruses have attacked and mount a defense. A research team has discovered how these proteins -- Cas1 and Cas2 -- locate and insert the viral DNA, and it relies on the flexibility of these enzymes and the shape of the DNA.

2017-07-20 13:35:08
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Aboriginal community with strong ethno-cultural identity and connection to the land has lower suicide rates  

A new study investigating mental health perceptions and practices of an aboriginal community in northern Ontario, and its significantly lower rates of mental health services utilization and suicide, suggests that a strong ethno-cultural identity and connection to the land are significant factors to positive mental health outcomes in this region. The study findings are published in the August 2017 edition of the International Journal of Mental Health and Addiction.

2017-07-20 13:27:14
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Using a pig model to study chronic diseases may help minimize drug failure rate  

Scientists may be able to minimize the failure rate of drugs for diseases linked to high-calorie diets, such as colon cancer and type 2 diabetes, if they test treatments using a pig model, according to an international team of researchers.

2017-07-20 13:19:45
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Pulses of electrons manipulate nanomagnets and store information  

Skyrmions are a kind of nanomagnet, composed of a spin-correlated ensemble of electrons acting as a topological magnet on certain microscopic surfaces. The precise properties, like spin orientation, of such nanomagnets can store information. But how might you go about moving or manipulating these nanomagnets at will to store the data you want? New research demonstrates such read/write ability using bursts of electrons, encoding topological energy structures robustly enough for potential data sto

2017-07-20 13:09:57
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Genetic predisposition to breast cancer due to non-BRCA mutations in Ashkenazi Jewish women  

Genetic mutations in BRCA1 and BRCA2 increase the risk of breast and ovarian cancer in Ashkenazi Jewish women. A new article pexamines the likelihood of carrying another cancer-predisposing mutation in BRCA1, BRCA2 or another breast cancer gene among women of Ashkenazi Jewish ancestry with breast cancer who do not carry one of the founder mutations.

2017-07-20 13:06:40
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A healthy lifestyle increases life expectancy by up to seven years  

Maintaining a normal weight, not smoking, and drinking alcohol at moderate levels are factors that add healthy years to life.

2017-07-20 12:33:12
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Heart cell's response to dwindling oxygen predicted  

A model that predicts a single heart cell's response to dwindling supplies of oxygen has been developed by researchers. Specifically, it evaluates a cell's ability to keep producing ATP -- a cell's primary fuel source -- and stay alive, even as it is increasingly deprived of oxygen.

2017-07-20 12:18:53
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Could sharks help save shipping industry billions?  

Whales, sharks, butterflies and lotus leaves might together hold the secret to saving the shipping industry millions and help save the planet, according to a marine biologist.

2017-07-20 12:17:53
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In frogs, preventing early-life gut microbiome disruptions leads to better health  

Biologists have found that a crucial window in the development of tadpoles may influence a frog's ability to fight infectious diseases as an adult. The scientists showed that an early-life disruption of the gut and skin bacterial communities of tadpoles later affects the adult frogs' ability to fight off parasitic gut worms.

2017-07-20 12:16:43
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Most primary care physicians can't identify all risk factors for prediabetes  

Researchers who distributed a survey at a retreat and medical update for primary care physicians (PCPs) report that the vast majority of the 140 doctors who responded could not identify all 11 risk factors that experts say qualify patients for prediabetes screening. The survey, they say, is believed to be one of the first to formally test PCPs' knowledge of current professional guidelines for such screening.

2017-07-20 11:58:22
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Setting the record straight: PPIs do not cause Dementia  

Several studies have reported associations between proton-pump inhibitor (PPI) use and dementia. New research puts these claims to rest, experts say. The study authors report that there is no convincing evidence to support the suggestion that PPI use increases dementia risk.

2017-07-20 11:47:36
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3-D printing sweeps toy manufacturing off the shelves  

People have scoffed that 3-D printers are simply toys themselves. But they probably didn't realize how much money is made off playthings. Do-it-yourself manufacturing -- making goods at home with a 3-D printer using open source designs from a free online repository -- has a multi-million-dollar impact on the overall toy industry.

2017-07-20 11:39:48
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Ancient Italian fossils reveal risk of parasitic infections due to climate change  

In 2014, a team of researchers found that clams from the Holocene Epoch (that began 11,700 years ago) contained clues about how sea level rise due to climate change could foreshadow a rise in parasitic trematodes. Now, an international team has found that rising seas could be detrimental to human health on a much shorter time scale.

2017-07-20 11:37:34
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Day-to-day experiences affect awareness of aging, mood  

A study of older adults finds an individual's awareness of aging is not as static as previously thought, and that day-to-day experiences and one's attitude toward aging can affect an individual's awareness of age-related change -- and how that awareness affects one's mood.

2017-07-20 09:45:55
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Parents have critical role in preventing teen drinking  

Fewer Australian teenagers are drinking alcohol but more needs to be done to curb the drinking habits of Aussie students, based on the findings of the latest study.

2017-07-20 09:34:50
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Opioids and obesity, not 'despair deaths,' raising mortality rates for white Americans  

Drug-related deaths among middle-aged white men increased more than 25-fold between 1980 and 2014, with the bulk of that spike occurring since the mid-1990s when addictive prescription opioids became broadly available, according to new research.

2017-07-20 08:54:28
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Google searches can be used to track dengue in underdeveloped countries  

An analytical tool that combines Google search data with government-provided clinical data can quickly and accurately track dengue fever in less-developed countries.

2017-07-20 08:52:19
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In making decisions, are you an ant or a grasshopper?  

New findings add to a growing body of evidence that, although it may seem less appealing, the ant's gratification-delaying strategy should not be viewed in a negative light.

2017-07-20 08:41:24
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Faulty support cells disrupt communication in brains of people with schizophrenia  

New research has identified the culprit behind the wiring problems in the brains of people with schizophrenia. When researchers transplanted human brain cells generated from individuals diagnosed with childhood-onset schizophrenia into mice, the animal's nerve cell networks did not mature properly and the mice exhibited the same anti-social and anxious behaviors seen in people with the disease.

2017-07-20 08:25:57
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Immune-cell numbers predict response to combination immunotherapy in melanoma  

Whether a melanoma patient will better respond to a single immunotherapy drug or two in combination depends on the abundance of certain white blood cells within their tumors, according to a new study.

2017-07-20 08:14:19
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Spiral arms allow school children to weigh black holes  

Astronomers have provided a way for armchair astronomers, and even primary school children, to merely look at a spiral galaxy and estimate the mass of its hidden, central black hole.

2017-07-20 08:12:15
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Shooting the Achilles heel of nervous system cancers  

Scientists have devised a strategy to target cancer cells while sparing normal cells by capitalizing on vulnerabilities that are exposed only in tumor cells. These vulnerabilities are known as the 'Achilles heel' of cancer cells. Although much is known about the mutations that cause a cell to become malignant, little is known about these vulnerabilities.

2017-07-20 08:04:12
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A changing society: 100 is the new 80  

When it comes to aging successfully and remaining in good health, are centenarians the perfect role models? Researchers have been studying illness trajectories in centenarians during the final years of their lives. According to their findings, people who died aged 100 or older suffered fewer diseases than those who died aged 90 to 99, or 80 to 89.

2017-07-20 07:52:57
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New target for chronic pain identified  

Discovery of a phosphorylation event outside of the cell offers a new avenue for targeting chronic and pathologic pain, a new study reports.

2017-07-20 07:40:53
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Scientists discover combined sensory map for heat, humidity in fly brain  

Neuroscientists now can visualize how fruit flies sense and process humidity and temperature together through a 'sensory map' within their brains, according to new research. The findings could one day help researchers better understand how the human brain simultaneously processes humidity and temperature and might influence how humans control for mosquitoes in cities and prevent mosquito-borne diseases.

2017-07-20 07:32:45
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Is mental health associated with perception of nasal function?  

A study of preoperative patients for rhinoplasty suggests poor mental well-being and low self-esteem were associated with poorer perceptions of nasal function, according to a new study.

2017-07-20 06:49:20
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Hot dogs: Is climate change impacting populations of African wild dogs?  

Climate change may be harming the future of African wild dogs (Lycaon pictus) by impacting the survival rates of pups, according to one of the first studies on how shifting temperatures are impacting tropical species.

2017-07-20 06:03:02
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Cucumbers in space provide insights on root growth  

Scientists have untangled the competing influences of water and gravity on plant roots -- by growing cucumbers during spaceflight.

2017-07-20 05:52:27
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Shifting storms to bring extreme waves, seaside damage to once placid areas  

The world's most extensive study of a major stormfront striking the coast has revealed a previously unrecognised danger from climate change: as storm patterns fluctuate, waterfront areas once thought safe are likely to be hammered and damaged as never before.

2017-07-20 05:48:18
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Molecular changes with age in normal breast tissue are linked to cancer-related changes  

New research provides insight into how changes that occur with age may predispose breast tissue cells to becoming cancerous. Specifically, the study demonstrates that regions in the genome where DNA methylation changes occur with age are particularly sensitive to disruption in cancer. This new data provides insight into how certain molecular changes with age in normal breast tissue itself may contribute to breast cancer risk.

2017-07-20 05:09:39
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Use of cognitive abilities to care for grandkids may have driven evolution of menopause  

Instead of having more children, a grandmother may pass on her genes more successfully by using her cognitive abilities to directly or indirectly aid her existing children and grandchildren. Such an advantage could have driven the evolution of menopause in humans.

2017-07-20 05:08:56
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Heart health: A sodium surprise  

Irregular heartbeat -- or arrhythmia -- can have sudden and often fatal consequences. A biomedical engineering team examining molecular behavior in cardiac tissue recently made a surprising discovery that could someday impact treatment of the life-threatening condition.

2017-07-20 05:06:18
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Novel 3-D printing process strengthens parts by 275 percent  

A new way to make 3-D printed parts stronger and immediately useful in real-world applications has been revealed by researchers. They applied the traditional welding concepts to bond the submillimeter layers in a 3-D printed part together, while in a microwave.

2017-07-20 04:50:38
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Viewing Martian moon orbiting the red planet  

While photographing Mars, NASA's Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. Hubble took 13 separate exposures over 22 minutes to create a time-lapse video showing the moon's orbital path.

2017-07-20 04:34:22
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Our brains synchronize during a conversation  

The rhythms of brainwaves between two people taking part in a conversation begin to match each other, concludes a new study. According to scientists, this interbrain synchrony may be a key factor in understanding language and interpersonal communication.

2017-07-20 04:28:28
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Perceiving oneself as less physically active than peers is linked to a shorter lifespan  

American adults who believed that they were less active than their peers died younger than those who believed they were more active -- even if their actual activity levels were similar, research shows.

2017-07-20 04:21:15
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Grasslands restoration is working in the soil, too  

A new study finds that tallgrass prairie restoration at a large Illinois preserve is working at a foundational level -- in the soil. Bacteria in the soil are recolonizing and recovering on their own to resemble soil found in remnant prairies. The study shows that a carefully managed restoration can produce successes even beyond easily-recognized plant and animal biodiversity.

2017-07-20 04:18:47
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NASA looks to solar eclipse to help understand Earth's energy system  

It was midafternoon, but it was dark in an area in Boulder, Colorado on Aug. 3, 1998. A thick cloud appeared overhead and dimmed the land below for more than 30 minutes. Well-calibrated radiometers showed that there were very low levels of light reaching the ground, sufficiently low that researchers decided to simulate this interesting event with computer models. Now in 2017, inspired by the event in Boulder, NASA scientists will explore the moon's eclipse of the sun to learn more about Earth's

2017-07-20 04:14:38
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2 

Taste and health affect consumer choices for milk and nondairy beverages  

To learn more about what affects consumer decisions regarding fluid milk purchases, researchers used surveys, conjoint analysis, and means-end-chain analysis to uncover the underlying values among dairy milk and nondairy beverage consumers. The results of the study highlighted the most important factors for both milk and nondairy beverages, which were the same: they must be healthy and taste good.

2017-07-20 03:56:14
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5 

Combining CAR T cells with existing immunotherapies may overcome resistance in glioblastomas  

Genetically modified "hunter" T cells successfully migrated to and penetrated a deadly type of brain tumor known as glioblastoma (GBM) in a clinical trial of the new therapy, but the cells triggered an immunosuppressive tumor microenvironment and faced a complex mutational landscape that will need to be overcome to better treat this aggressive cancer, researchers report.

2017-07-20 03:41:04
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3 

Laser treatment reduces eye floaters  

Patients reported improvement in symptoms of eye floaters after treatment with a laser, according to a new study.

2017-07-20 03:30:09
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1 

Reducing inflammation protects stem cells during wound repair  

Scientists have found a new way to protect stem cells from harsh inflammation during wound repair. Researchers have discovered that treating mice with a common anti-inflammatory drug called celecoxib promoted stem cell survival and healing when they injected the cells into wounds.

2017-07-20 03:30:08
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3 

Innate reaction of hematopoietic stem cells to severe infections  

For the first time, researchers have shown that hematopoietic stem cells detect infectious agents themselves and begin to divide - that is, without signals from growth factors. This direct production of defensive cells damages hematopoiesis in the long term, however, which could lead to malignant hematopoietic stem cell diseases at advanced age.

2017-07-20 03:29:06
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0 

Assessment of bone density and fracture history can predict long-term fracture risk  

Factors such as low bone density and previous fractures are commonly used to predict an individual's risk of experiencing a fracture over the next 10 years.

2017-07-20 03:14:47
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1 

Molecular 'pulleys' improve battery performance  

Scientists have reported a molecular pulley binder for high-capacity silicon anodes of lithium ion batteries.

2017-07-20 02:34:42
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0 

'Sound' research shows slower boats may cause manatees more harm than good  

Slower boat speeds reduce risks to manatees. Or do they? Not exactly, according to new research. In fact, the very laws enacted to slow down boats in manatee habitats may actually be doing more harm than good. Slowing down boats makes it more difficult for manatees to detect and locate approaching boats. An innovative alerting device is proving to deliver a better solution.

2017-07-20 01:57:44
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2 

Heritage and ancient grain project feeds a growing demand  

After a century of markets dominated by a few types of wheat and white flour, ancient and heritage wheat varieties are making a comeback. Restaurants and bakeries that promote organic and local agriculture have sprouted up across the country in the last decade, meeting a rising consumer demand for tasty and nutritious foods that support an ethic of sustainability.

2017-07-20 01:49:58
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3 




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