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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.



Mapping a path to better oral health  

Dentists aren't the only people who influence how we take care of our teeth; our friends and family play a big role, too.

2017-02-19 17:05:06
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Tumor suppressor promotes some acute myeloid leukemias, study reveals  

A tumor suppressor protein thought to prevent acute myeloid leukemia (AML) can actually promote a particularly deadly form of the disease, researchers have discovered. The study suggests that targeting this protein could be an effective treatment for certain AML patients.

2017-02-19 15:39:08
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Tool for a cleaner Long Island Sound  

Ecologists have pinpointed sources of nitrogen pollution along Long Island Sound, and shows municipalities what they might do to alleviate it.

2017-02-19 14:41:30
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Is the human brain hardwired to appreciate poetry?  

In 1932 T.S. Eliot famously argued, 'Genuine poetry can communicate before it is understood.' But can we really appreciate the musical sound of poetry independent of its literary meaning? Apparently yes. A recent study has shown that the brain displays a positive electrophysiological response when presented with sentences that conform to certain poetic construction rules. It is the first demonstration of unconscious processing of poetic constructs by the brain.

2017-02-19 12:06:47
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Repetitive head injuries may not cause movement problems for former NFL players  

Former NFL players who had repeated head injuries may not have significant problems with motor functions later in life, according to a preliminary study.

2017-02-19 10:45:25
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Molecular phenomenon discovered by advanced NMR facility  

Cutting edge technology has shown a molecule self-assembling into different forms when passing between solution state to solid state, and back again -- a curious phenomenon in science.

2017-02-19 09:45:34
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Examining exploding stars through the atomic nucleus  

Imagine being able to view microscopic aspects of a classical nova, a massive stellar explosion on the surface of a white dwarf star (about as big as Earth), in a laboratory rather than from afar via a telescope. Cosmic detonations of this scale and larger created many of the atoms in our bodies. A safe way to study these events in laboratories on Earth is to investigate the exotic nuclei or 'rare isotopes' that influence them.

2017-02-19 07:42:35
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Using statistics ethically to combat 'a scientific credibility crisis'  

Can statistics increase the value of science to society?

2017-02-19 07:16:24
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How to build a bio-bot: Researchers share design and development of biological machines  

Creating tiny muscle-powered robots that can walk or swim by themselves -- or better yet, when prompted -- is more complicated than it looks.

2017-02-19 05:50:32
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Liquid metal nano printing set to revolutionize electronics  

A new technique uses liquid metals to create large wafers around 1.5 nanometres in depth to produce integrated circuits, report scientists in a new report.

2017-02-19 05:37:33
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Adaptable model recommends response strategies for Zika, other pandemics  

A new computer model could help policy makers choose the best intervention strategies to rapidly contain an infectious disease outbreak. The model is based on the dynamics of disease transmission across different environments and social settings, and provides critical information about how to mitigate infection, monitor risk and trace disease during a pandemic.

2017-02-19 05:37:30
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Bee decline threatens US crop production  

The first-ever study to map US wild bees suggests they are disappearing in the country's most important farmlands.

2017-02-19 04:37:38
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Historic detection of gravitational waves  

A scientist who has been involved with nearly every aspect of the development and ultimate success of the Laser Interferometer Gravitational-wave Observatory (LIGO), will give a talk about the project's historic detection of gravitational waves.

2017-02-19 04:16:48
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ICU care for COPD, heart failure and heart attack may not be better  

Does a stay in the intensive care unit give patients a better chance of surviving a chronic obstructive pulmonary disease (COPD) or heart failure flare-up or even a heart attack, compared with care in another type of hospital unit? Unless a patient is clearly critically ill, the answer may be no, according to researchers who analyzed more than 1.5 million Medicare records.

2017-02-19 03:25:57
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Peer milk-sharing participants generally keep it clean  

Mothers who want the benefits of breast milk for their babies but can't produce the substance often turn to milk-sharing networks. A new study has found that although not a recommended practice, those who participate in milk-sharing networks generally follow good hygiene, which is critical for keeping milk free from bacterial contamination.

2017-02-19 01:57:06
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Limiting salt consumption lowers blood pressure in patients with kidney disease  

Receiving advice on limiting salt consumption helped kidney disease patients lower their systolic blood pressure by an average of 11 mmHg, research concludes. Limiting salt intake also reduced excess fluid retention that is common among patients with kidney disease.

2017-02-19 01:41:18
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Quest for climate-friendly refrigerants finds complicated choices  

Researchers have just completed a multiyear study to identify the 'best' candidates for future use as air conditioning refrigerants that will have the lowest impact on the climate.

2017-02-19 01:29:44
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How humans bond: The brain chemistry revealed  

In a new study, researchers found for the first time that the neurotransmitter dopamine is involved in human bonding, bringing the brain's reward system into our understanding of how we form human attachments. The results, based on a study with 19 mother-infant pairs, have important implications for therapies addressing postpartum depression as well as disorders of the dopamine system such as Parkinson's disease, addiction, and social dysfunction.

2017-02-18 20:28:22
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Low level vitamin D during remission contributes to relapse in ulcerative colitis patients  

Lower levels of vitamin D in the blood increase the risk of clinical relapse in patients with Ulcerative Colitis (UC), an inflammatory bowel disease that causes long-lasting inflammation and ulcers in the colon, a new study has found.

2017-02-18 20:27:18
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Egg-free surrogate chickens produced in bid to save rare breeds  

Hens that do not produce their own chicks have been developed for use as surrogates to lay eggs from rare breeds. The advance -- using gene-editing techniques -- could help to boost breeding of endangered birds, as well as improving production of commercial hens, researchers say.

2017-02-18 20:21:52
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It's more than just climate change  

Accurately modeling climate change and interactive human factors -- including inequality, consumption, and population -- is essential for the effective science-based policies and measures needed to benefit and sustain current and future generations. A recent study presents extensive evidence of the need for a new paradigm of modeling that fully incorporates the feedbacks between Earth systems and human systems.

2017-02-18 20:04:24
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There and back again: Catalyst mediates energy-efficient proton transport for reversibility  

A complex with a proton pathway and stabilized by outer coordination sphere interactions is reversible for hydrogen production/oxidation at room temperature and pressure, researchers have found.

2017-02-18 18:20:03
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Hubble spotlights a celestial sidekick  

Technically, this picture is merely a sidekick of the actual object of interest -- but space is bursting with activity, and this field of bright celestial bodies offers plenty of interest on its own.

2017-02-18 17:08:11
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Gene editing can complement traditional food-animal improvements  

Animal scientist say that gene editing -- following in the footsteps of traditional breeding -- has tremendous potential to boost the sustainability of livestock production, while also enhancing food-animal health and welfare.

2017-02-18 16:48:39
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Developing a catalytic conveyor belt  

Capitalizing on previous studies in self-powered chemo-mechanical movement, researchers have developed a novel method of transporting particles that utilizes chemical reactions to drive fluid flow within microfluidic devices.

2017-02-18 14:57:47
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Digital fabrication in architecture  

Society faces enormous challenges in constructing high-quality, future-oriented built environments. Construction sites today look much like the building sites did at the beginning of the 20th century. Current research on digital fabrication in architecture indicates that the development and integration of innovative digital technologies within architectural and construction processes could transform the building industry -- on the verge of a building industry 4.0. Digital technologies in archite

2017-02-18 13:49:13
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Quality of life with those with advanced cancer improved through walking  

Walking for just 30 minutes three times per week could improve the quality of life for those with advanced cancer, a new study has found.

2017-02-18 13:26:17
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System automatically detects cracks in nuclear power plants  

A new automated system detects cracks in the steel components of nuclear power plants and has been shown to be more accurate than other automated systems.

2017-02-18 11:12:27
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Powerful optical imaging technology catches DNA naturally fluorescing  

Biomedical engineers have developed imaging technology that is the first to see DNA 'blink,' or fluoresce. The tool enables researchers to study individual biomolecules (DNA, chromatin, proteins) as well as important global patterns of gene expression, which could yield insights into cancer.

2017-02-18 11:02:36
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Designing new materials from 'small' data  

Researchers have developed a novel workflow combining machine learning and density functional theory calculations to create design guidelines for new materials that exhibit useful electronic properties, such as ferroelectricity and piezoelectricity.

2017-02-18 09:31:18
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Yeast found in babies' guts increases risk of asthma  

Microbiologists have found a yeast in the gut of new babies in Ecuador that appears to be a strong predictor that they will develop asthma in childhood. The new research furthers our understanding of the role microscopic organisms play in our overall health.

2017-02-18 07:31:41
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Second cause of hidden hearing loss identified  

Some people can pass a hearing test but have trouble understanding speech in a noisy environment. New research identifies a new mechanism for this condition just years after its discovery.

2017-02-18 05:48:21
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Micro-RNA may amplify effectiveness of sorafenib in difficult liver cancer cases  

Only 25% of patients respond to sorafenib treatment, so researchers have endeavored to understand its mechanism of action and discover a way to boost its effectiveness.

2017-02-18 04:52:44
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Honey bee genetics sheds light on bee origins  

Where do honey bees come from? A new study clears some of the fog around honey bee origins. The work could be useful in breeding bees resistant to disease or pesticides.

2017-02-18 04:19:05
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Efficient power converter for internet of things  

Researchers have presented a new power converter that maintains its efficiency at currents ranging from 500 picoamps to 1 milliamp, a span that encompasses a 200,000-fold increase in current levels.

2017-02-18 04:11:26
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Speciation is not all about good looks: For stick insects, the right partner should smell good too  

An attractive scent is just as important as good looks when it comes to choosing a mate -- at least among stick insect populations.

2017-02-18 02:08:29
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Using historical herbarium specimens to track heavy metal pollution in the eastern United States  

Plant specimens stored in herbaria are being used to explore important ecological questions. Researchers have now shown the effectiveness of herbarium specimens of herbaceous plants to track changes in heavy metal concentrations over time. The study compares concentrations of copper, lead, and zinc in specimens collected around Providence, RI, from 1846 to 1916, and compares these levels to plants collected from the same areas in 2015.

2017-02-18 02:07:16
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Congo River fish evolution shaped by intense rapids  

New research provides compelling evidence that a group of strange-looking fish living near the mouth of the Congo River are evolving due to the intense hydraulics of the river's rapids and deep canyons. The study reveals that fishes in this part of the river live in 'neighborhoods' that are separated from one another by the waters' turbulent flow.

2017-02-17 20:39:16
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Scarcity of resources led to violence in prehistoric central California  

A longtime anthropology professor who studies violence among prehistoric people in California has published his work, outlining that there are two views related to the origins of violence and warfare in humans. One view suggests that humans in earlier times were peaceful and lived in harmony, and a second view that there has always been competition for resources, war and violence.

2017-02-17 19:31:51
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From mice, clues to microbiome's influence on metabolic disease  

The community of microorganisms that resides in the gut, known as the microbiome, has been shown to work in tandem with the genes of a host organism to regulate insulin secretion, a key variable in the onset of the metabolic disease diabetes, new research has found.

2017-02-17 19:24:14
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'Complexity' of exports is a good predictor of income inequality  

A new paper argues that everything else being equal, the complexity of a country's exports also correlates with its degree of economic equality: The more complex a country's products, the greater equality it enjoys relative to similar-sized countries with similar-sized economies.

2017-02-17 19:04:26
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New research examines gun use, injury and fear in domestic violence  

About 2 percent of domestic-violence incidents involve guns, according to new research. Victims of these crimes typically have fewer injuries but more fear. These findings come as part of her latest work, which looks at how frequently guns and other weapon types appear in domestic-violence incidents.

2017-02-17 17:36:36
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People far from urban lights, bright screens still skimp on sleep  

Screen time before bed can mess with your sleep. But people without TV and laptops skimp on sleep too, researchers say. A study of people living without electricity or artificial light in a remote farming village in Madagascar finds they get shorter, poorer sleep than people in the US or Europe. But they seem to make up for lost shuteye with a more regular sleep routine, the researchers report.

2017-02-17 17:34:20
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Real-time MRI analysis powered by supercomputers  

Researchers have developed a new, automated platform capable of returning in-depth analyses of MRI scans in a matter of minutes, rather than hours or days. The system has the potential to minimize patient callbacks, save millions annually, and advance precision medicine.

2017-02-17 16:47:36
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DNA computer brings 'intelligent drugs' a step closer  

Researchers present a new method that should enable controlled drug delivery into the bloodstream using DNA computers. The team developed the first DNA computer capable of detecting several antibodies in the blood and performing subsequent calculations based on this input. This is an important step towards the development of smart, 'intelligent' drugs that may allow better control of medication with fewer side-effects and at lower cost.

2017-02-17 16:24:43
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In-mouse catalysis  

A gold catalyst can be delivered to a target organ in a higher organism where it performs a chemical transformation visualized by bioimaging. This intriguing approach could make organometallic catalysis applicable for therapy or diagnostics.

2017-02-17 15:53:11
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Climate-driven permafrost thaw  

In bitter cold regions like northwestern Canada, permafrost has preserved relict ground-ice and vast glacial sedimentary stores in a quasi-stable state. These landscapes therefore retain a high potential for climate-driven transformation, say researchers.

2017-02-17 15:35:44
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Preferential trade agreements enhance global trade at the expense of its resilience  

The global commodity trade is a complex system where its network structure, which may arise from bilateral and multilateral agreements, affects its growth and resilience. At time of economic shocks, redundancy in this system is vital to the resilience of growth.

2017-02-17 15:02:59
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Discovery of genetic 'switch' could help to prevent symptoms of Parkinson's disease  

A genetic 'switch' has been discovered, which could help to prevent or delay the symptoms of Parkinson's disease, report scientists.

2017-02-17 14:50:12
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Robbed of royalty: Mutilation and social determination of female Diacamma ants  

Triggered by mutilation, expression of select genes determines social castes in Diacamma ants, outlines a new report.

2017-02-17 13:45:48
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Moths' sweet way of compensating for lack of antioxidants  

Animals that feed almost solely on nectar, which doesn't produce protective antioxidants, are still able to avoid experiencing oxidative damage to their muscles through a clever adaption that involves converting carbohydrates into antioxidants, a new study reveals.

2017-02-17 12:38:32
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Big improvement to brain-computer interface  

Researchers have developed an improved type of electrode that is more durable, lasts longer in the body and transmits a clearer, more robust signal than electrodes made from current state-of-the-art materials. This could allow for improved restoration of mobility after spinal cord accidents, as well as improved powered prosthetic limbs.

2017-02-17 12:24:10
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Zero tolerance policies unfairly punish black girls  

Black girls are disproportionately punished in American schools -- an 'overlooked crisis' that is populating the school-to-prison pipeline at rising rates, two education scholars argue in a new paper.

2017-02-17 11:46:16
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Six-legged robots faster than nature-inspired gait  

Researchers have discovered a faster and more efficient gait, never observed in nature, for six-legged robots walking on flat ground. Bio-inspired gaits -- less efficient for robots -- are used by real insects since they have adhesive pads to walk in three dimensions. The results provide novel approaches for roboticists and new information to biologists.

2017-02-17 11:44:18
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Local weather impacts melting of one of Antarctica's fastest-retreating glaciers  

Local weather plays an important part in the retreat of the ice shelves in West Antarctica, according to new research.

2017-02-17 10:51:50
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Radial acceleration relation found in all common types of galaxies  

The distribution of normal matter precisely determines gravitational acceleration in all common types of galaxies, a team of researchers reports. This provides further support that the relation is tantamount to a new natural law, the researchers say.

2017-02-17 10:21:39
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Breakthrough with a chain of gold atoms in understanding heat transport  

The precise control of electron transport in microelectronics makes complex logic circuits possible that are in daily use in smartphones and laptops.

2017-02-17 10:20:12
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What the ability to 'get the gist' says about your brain  

Many who have a chronic traumatic brain injury (TBI) report struggling to solve problems, understand complex information and maintain friendships, despite scoring normally on cognitive tests. New research finds that a gist reasoning test, developed by clinicians and cognitive neuroscientists, is more sensitive than other traditional tests at identifying certain cognitive deficits.

2017-02-17 10:05:56
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Researchers use big-brother tech to spy on bumblebees  

RFID chips like the ones used to protect merchandise from shoplifting reveal surprising clues about life in a bumblebee colony, say investigators.

2017-02-17 09:32:21
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Personalized physical therapy brings relief for lower back pain  

Impaired movement control may result in chronic lower back pain. A new study shows that the combination of manual therapy and exercise is an excellent way to combat movement control impairment in the lower back. This combination reduced the disability experienced by patients and significantly improved their functional ability. A personally tailored exercise program was more beneficial for patients than a generic one, and the treatment results also persisted at a 12-month follow-up.

2017-02-17 09:14:49
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Researchers design facial recognition system as less invasive way to track lemurs in wild  

A team of researchers has developed a new computer-assisted recognition system that can identify individual lemurs in the wild by their facial characteristics and ultimately help to build a database for long-term research on lemur species.

2017-02-17 08:27:26
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Protein structure solved from smallest crystals yet  

An international team of scientists used an X-ray laser to determine the structure of an insect virus's crystalline protein "cocoon."

2017-02-17 08:08:55
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Looking for the next leap in rechargeable batteries  

Researchers may have just found a solution for one of the biggest stumbling blocks to the next wave of rechargeable batteries -- small enough for cellphones and powerful enough for cars.

2017-02-17 08:08:31
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Scientists create novel model that shows progression from normal blood cells to leukemia  

Researchers have created a novel model that shows the step-by-step progression from normal blood cells to leukemia and its precursor diseases, creating replicas of the stages of the disease to test the efficacy of therapeutic interventions at each stage, according to a study. This research marked the first time scientists have been able to transplant leukemia from humans to a test tube and then into mice for study.

2017-02-17 07:04:51
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Glowing mice suggest new gene therapy technique  

A collaboration between chemists and gene therapy experts produced a new way of inserting the code for modified proteins into the cells of mice. If successful in humans, the technique could be useful for vaccines or cancer therapies.

2017-02-17 06:29:32
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Study examines life history of imperiled rattlesnake  

Researchers examine the life history of the Eastern Massasauga rattlesnake, revealing important local climate impacts on the snake that should be carefully weighed when developing conservation strategies. The Eastern Massasauga is a small North American rattler with a distribution centered around the Great Lakes. In 2016, the snake was listed as threatened under the US Endangered Species Act.

2017-02-17 06:13:19
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Biocompatible 3-D tracking system has potential to improve robot-assisted surgery  

The cutting-edge biocompatible near-infrared 3-D tracking system used to guide the suturing in the first smart tissue autonomous robot (STAR) surgery has the potential to improve manual and robot-assisted surgery and interventions through unobstructed 3-D visibility and enhanced accuracy, according to a new study.

2017-02-17 05:36:20
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Students in Ohio's online charter schools perform worse than peers in traditional schools  

Despite dramatic growth in enrollment in online charter schools in Ohio, students are not achieving the same academic success as those in brick-and-mortar charter and public schools, finds a study.

2017-02-17 05:16:20
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Scientists uncover how Zika virus causes microcephaly  

A multidisciplinary team has uncovered the mechanisms that the Zika virus uses to alter brain development, outlines a new report.

2017-02-17 05:01:21
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Spider web of cancer proteins reveals new drug possibilities  

Scientists have mapped a vast spider web of interactions between proteins in lung cancer cells, as part of an effort to reach what was considered 'undruggable.' This approach revealed new ways to target cells carrying mutations in cancer-causing genes.

2017-02-17 04:33:57
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Team tracks rare T cells in blood to better understand annual flu vaccine  

A team has found a way to identify the small population of circulating helper T cells present in the blood after an annual flu vaccine to monitor their contribution to antibody strength. A technique that identifies these helper immune cells could inform future vaccine design, especially for vulnerable populations.

2017-02-17 04:26:33
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Stem cells collected from fat may have use in anti-aging treatments  

Adult stem cells collected directly from human fat are more stable than other cells -- such as fibroblasts from the skin -- and have the potential for use in anti-aging treatments, according to researchers.

2017-02-17 04:22:03
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HIV hijacks common cells to spread infection  

Scientists have discovered that a common type of cell within the human reproductive and intestinal tracts assists HIV in infecting immune cells. Understanding how these cells aid HIV could lead to new methods that prevent HIV transmission.

2017-02-17 04:01:12
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Doctors prescribe more antibiotics when expectations are high, study says  

Experimental evidence confirms what surveys have long suggested: Physicians are more likely to prescribe antibiotics when they believe there is a high expectation of it from their patients, even if they think the probability of bacterial infection is low and antibiotics would not be effective, according to a study.

2017-02-17 03:54:02
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Rainbow dyes add greater precision to fight against 'superbugs'  

A study reveals the operation of the biochemical clockwork that drives cellular division in bacteria in extreme detail. It is s an important step forward in research on bacterial growth and could inform efforts to develop drugs that combat antibiotic-resistant bacteria.

2017-02-17 03:47:21
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Avalanches: A force more deadly than polar bears  

You might think that polar bears — and the potential for attack — are the biggest danger the Norwegian arctic island archipelago of Svalbard. But avalanches kill far more people on Svalbard than polar bears ever have. Researchers are working on ways to improve avalanche prediction and protection in the Arctic.

2017-02-17 03:36:39
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Mothers and infants connect through song  

New research provides insight into the importance of song for infants and mothers. The work explored the role of infant-directed singing in relation to intricate bond between mother and infant.

2017-02-17 03:29:55
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Reasons for our left or right-handedness  

It is not the brain that determines if people are right or left-handed, but the spinal cord, new research indicates. The biopsychologists have demonstrated that gene activity in the spinal cord is asymmetrical already in the womb.

2017-02-17 03:26:34
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Method developed by biomedical scientists could help in treatment of several diseases  

Nonsense-mediated RNA decay (NMD) is a processing pathway in cells that, like a broom, cleans up erroneous RNA. Biomedical scientists report that they have come up with a method in the lab that detects NMD efficiency inside the cell.

2017-02-17 03:06:57
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Roads are driving rapid evolutionary change in our environment  

Roads are causing rapid evolutionary change in wild populations of plants and animals according to a new paper. The study looks at the evolutionary changes that are being caused by the way roads slice and dice our planet.

2017-02-17 03:01:26
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Research sheds light on mechanisms underlying aging  

Scientists have known for decades that drastically restricting certain nutrients without causing malnutrition prolongs health and lifespan in a wide range of species, but the molecular mechanisms underlying this effect have remained a mystery. Now new research sheds light on an important genetic pathway underlying this effect, raising the possibility that therapies can be developed to prolong healthy human lifespan.

2017-02-17 02:45:24
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How dads bond with toddlers: Brain scans link oxytocin to paternal nurturing  

Fathers given boosts of the hormone oxytocin show increased activity in brain regions associated with reward and empathy when viewing photos of their toddlers, a new study finds.

2017-02-17 02:33:20
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International students' concept of 'home' shapes post-graduation plans  

How international university students think about home significantly influences their migration plans upon graduation, according to a new study.

2017-02-17 02:21:28
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Researchers replicate nature's ability to reflect light to develop innovative materials  

An innovative new technique has been developed to mimic one of nature's greatest achievements -- natural structural color.

2017-02-17 01:24:02
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Ultrafast camera for self-driving vehicles and drones invented  

An ultrafast high-contrast camera has been developed that could help self-driving cars and drones see better in extreme road conditions and in bad weather. Unlike typical optical cameras, which can be blinded by bright light and unable to make out details in the dark, this new smart camera can record the slightest movements and objects in real time.

2017-02-17 01:22:41
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Minor planet named Bernard  

A minor planet in the Solar System will officially be known as Bernardbowen from today after Australian citizen science project theSkyNet won a competition to name the celestial body.

2017-02-17 01:07:30
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Being a tattoo artist is a pain in the neck, study finds  

Getting a tattoo may hurt, but giving one is no picnic, either. That's the finding of the first study ever to directly measure the physical stresses that lead to aches and pains in tattoo artists -- workers who support a multibillion-dollar American industry, but who often don't have access to workers' compensation if they get injured.

2017-02-16 21:26:11
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More patients with early-stage breast cancer may be able to avoid chemotherapy in the future  

Women with early-stage breast cancer who had an intermediate risk recurrence score (RS) from a 21-gene expression assay had similar outcomes, regardless of whether they received chemotherapy, a new study has found.

2017-02-16 21:03:20
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Postmenopausal hormone therapy exceeding ten years may protect from dementia  

Postmenopausal estrogen-based hormone therapy lasting longer than ten years was associated with a decreased risk of Alzheimer's disease in a large study. The study explored the association between postmenopausal hormone replacement therapy, Alzheimer's disease, dementia and cognition in two nation-wide case-control studies and two longitudinal cohort studies. The largest study comprised approximately 230,000 Finnish women and the follow-up time in different studies was up to 20 years.

2017-02-16 21:03:12
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Linguist's 'big data' research supports waves of migration into the Americas  

Linguistic anthropologists are applying the latest technology to an ancient mystery: how and when early humans inhabited the New World. Their new research suggests complex patterns of contact and migration among the early peoples who first settled the Americas.

2017-02-16 20:36:12
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Breakthrough in 'wonder' materials paves way for flexible tech  

Gadgets are set to become flexible, highly efficient and much smaller, following a breakthrough in measuring two-dimensional 'wonder' materials, report investigators.

2017-02-16 19:49:27
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Pizza, burgers and the like: A single high-fat meal can damage the metabolism  

The global proliferation of overweight and obese people and people with type 2 diabetes is often associated with the consumption of saturated fats. Scientists have found that even the one-off consumption of a greater amount of palm oil reduces the body's sensitivity to insulin and causes increased fat deposits as well as changes in the energy metabolism of the liver.

2017-02-16 19:15:35
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Carbs during workouts help immune system recovery  

Eating carbohydrates during intense exercise helps to minimize exercise-induced immune disturbances and can aid the body's recovery, research has found.

2017-02-16 18:48:32
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Targeted radiosurgery better than whole-brain radiation for treating brain tumors  

Tumors that originate in other organs of the body and spread to the brain are known as metastatic brain tumors. According to the American Brain Tumor Association, this tumor type is the most common in adults, affecting as many as 300,000 people each year. Researchers compared two common postsurgical therapies for metastatic brain tumors and found that stereotactic radiosurgery can provide better outcomes for patients compared to whole-brain radiation.

2017-02-16 17:57:32
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Outdoor air pollution tied to millions of preterm births  

Outdoor air pollution has been linked to 2.7 million preterm births per year, a major study has concluded. When a baby is born preterm (at less than 37 weeks of gestation), there is an increased risk of death or long-term physical and neurological disabilities.

2017-02-16 17:40:58
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10 

Method to predict surface ozone pollution levels provides 48-hour heads-up  

A novel air quality model will help air quality forecasters predict surface ozone levels up to 48-hours in advance and with fewer resources, according to a team of meteorologists.

2017-02-16 17:18:08
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2 

Dual-drug combination shows promise against diabetic eye disease in animal model  

A two-drug cocktail provided better protection against diabetes-related vision loss than a single drug during testing in rat models, a team of researchers has found.

2017-02-16 17:08:14
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3 

Prebiotic evolution: Hairpins help each other out  

The evolution of cells and organisms is thought to have been preceded by a phase in which informational molecules like DNA could be replicated selectively. New work shows that hairpin structures make particularly effective DNA replicators.

2017-02-16 16:25:51
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2 

Brain differences in ADHD  

Largest imaging study of ADHD to date identifies differences in five regions of the brain, with greatest differences seen in children rather than adults.

2017-02-16 16:16:07
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2 

In the developing ears of opossums, echoes of evolutionary history  

Hidden in the development of opossums is one possible version of the evolutionary path that led from the simple ears of reptiles to the more elaborative and sensitive structures of mammals, including humans, animal scientists have discovered.

2017-02-16 16:07:16
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3 




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