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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.



Children view people's behavior, psychological characteristics as shaped by environments  

A new study has found that 5- to 6-year-olds view people's environments, not their skin color, as the most important determinant of their behavior and psychological characteristics. These findings contradict the idea that views of race that are known to lead to prejudice such as believing that race naturally divides the world into distinct kinds of people's inevitably develop early in childhood.

what do you think?

2018-01-23 13:29:27



Cognitive training helps regain a younger-working brain  

New research could provide new hope for extending our brain function as we age. In a randomized clinical study involving adults age 56 to 71, researchers found that after cognitive training, participants' brains were more energy efficient, meaning their brain did not have to work as hard to perform a task.

what do you think?

2018-01-23 12:45:12



Survey results show Christians becoming less concerned about the environment  

There has been no "greening of Christianity" among people in the pews, despite efforts by some religious leaders to emphasize environmental stewardship, according to new research.

what do you think?

2018-01-23 11:42:12



Curcumin improves memory and mood  

Daily consumption of a certain form of curcumin -- the substance that gives Indian curry its bright color -- improved memory and mood in people with mild, age-related memory loss.

what do you think?

2018-01-23 11:37:42



Bitcoin wallet devices vulnerable to security hacks  

Devices used to manage accounts using Bitcoin could be improved to provide better protection against hackers, according to new research.

what do you think?

2018-01-23 10:59:48



Drones learn to navigate autonomously by imitating cars and bicycles  

A new algorithm allows drones to fly completely by themselves through the streets of a city and in indoor environments. The algorithm had to learn traffic rules and adapt training examples from cyclists and car drivers.

what do you think?

2018-01-23 09:20:34



Marijuana use does not lower chances of getting pregnant  

Marijuana use -- by either men or women -- does not appear to lower a couple's chances of getting pregnant, according to a new study.

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2018-01-23 07:31:02



Using epigenetic signatures and machine learning to improve diagnosis  

Researchers have identified unique epigenetic signatures for nine neurodevelopmental disorders lending to a better method of diagnosis for disorders with much clinical overlap. The epigenetic signatures were developed through methylation array analysis.

what do you think?

2018-01-23 06:44:29



Female cats are more likely to be right-handed, researchers discover  

Researchers have found that female cats are much more likely to use their right paw than males.

what do you think?

2018-01-23 05:52:49



New limit on the definition of a planet proposed  

A planet can be no bigger than about 10 times the size of Jupiter, an astrophysicist has calculated.

what do you think?

2018-01-23 05:23:50



Pathway opens to minimize waste in solar energy capture  

Researchers have made an important discovery with significant implications for the future of solar cell material design.

what do you think?

2018-01-23 05:18:38



Researchers borrow from AIDS playbook to tackle rheumatic heart disease  

Billions of US taxpayer dollars have been invested in Africa over the past 15 years to improve care for millions suffering from the HIV/AIDS epidemic; yet health systems on the continent continue to struggle. What if the investments and lessons learned from HIV could be used to improve care for those with other serious chronic conditions?

what do you think?

2018-01-23 05:17:58



Feedback enhances brainwave control of a novel hand-exoskeleton  

Scientists are developing a lightweight and portable hand exoskeleton that can be controlled with brainwaves. The device enhances performance of brain-machine interfaces and can restore functional grasps for the physically impaired.

what do you think?

2018-01-23 05:06:21



Depressive symptoms linked to shorter survival in patients with head and neck cancer  

In a study of patients with head and neck cancer, even mild depressive symptoms were associated with poorer overall survival.

what do you think?

2018-01-23 04:47:51



Forensic researchers find more accurate way to estimate age of deceased  

Forensic researchers have found a more accurate way to assess an individual's age at death, based on the bone mineral density of the femur. The technique could be used to help identify human remains.

what do you think?

2018-01-23 03:39:36



Scientists discover 'Legos of life'  

Scientists have found the "Legos of life" - four core chemical structures that can be stacked together to build the myriad proteins inside every organism - after smashing and dissecting nearly 10,000 proteins to understand their component parts. The four building blocks make energy available for humans and all other living organisms, according to a new study.

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2018-01-23 03:36:46



Inherited IQ can increase in early childhood  

When it comes to intelligence, environment and education matter -- more than we think.

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2018-01-23 03:27:56



New Eocene fossil data suggest climate models may underestimate future polar warming  

A new international analysis of marine fossils shows that warming of the polar oceans during the Eocene, a greenhouse period that provides a glimpse of Earth's potential future climate, was greater than previously thought.

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2018-01-23 03:13:48



Want a healthier population? Spend less on health care and more on social services, Canadian study finds  

Increased social spending was associated with health improvements at the population level, while health spending increases did not have the same effect, according to a large new Canadian study.

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2018-01-23 03:03:42



Speech analysis software predicted psychosis in at-risk patients with up to 83 percent accuracy  

Computer-based analyses of speech transcripts obtained from interviews with at-risk youths were able to predict which youths would later develop psychosis within two years, with an accuracy of up to 83 percent. In two independent cohorts of young people at risk for psychosis, a disturbance in the flow of meaning when speaking, otherwise known as being tangential or going off track, predicted who would later develop psychosis.

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2018-01-23 02:44:35



Scientist unlocks gamma ray burst secrets  

Scientists have recreated the first ever mini version of a gamma ray burst in a laboratory, opening up a whole new way to investigate their properties and potentially unlocking some of the mysteries around possible alien civilizations.

what do you think?

2018-01-23 01:46:44



Astronomers produce first detailed images of surface of giant star  

An international team of astronomers has produced the first detailed images of the surface of a giant star outside our solar system, revealing a nearly circular, dust-free atmosphere with complex areas of moving material, known as convection cells or granules, according to a recent study.

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2018-01-23 01:28:09



Ancient rice heralds a new future for rice production  

Growing in crocodile infested billabongs in the remote North of the country, Australia's wild rice has been confirmed as the most closely related to the ancient ancestor of all rices. The unique genetics of the Australian rice may help breed disease resistance and climate adaptation into rice modern production species.

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2018-01-23 01:19:26



New neuron-like cells allow investigation into synthesis of vital cellular components  

A new method to create synthetic neurons allows researchers to investigate how the human brain makes metabolic building blocks essential for the survival of all living organisms. A new study describes a core enzyme involved in the synthesis of these building blocks, called purines, and how the enzyme might change during infection by herpes simplex virus.

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2018-01-22 21:08:41



Persistent photoconductivity used to stimulate neurotypic cells  

Researchers have, for the first time, used a material's persistent photoconductivity to stimulate neurotype cells. The technique, which is relatively simple, should facilitate future research on using charge to influence cellular behavior.

what do you think?

2018-01-22 20:26:28



Artificial intelligence predicts corruption  

Researchers from Spain have created a computer model based on neural networks which provides in which Spanish provinces cases of corruption can appear with greater probability, as well as the conditions that favor their appearance. This alert system confirms that the probabilities increase when the same party stays in government more years.

what do you think?

2018-01-22 20:12:11



Climate change and snowmelt -- turn up the heat, but what about humidity?  

Changes in humidity may determine how the contribution of snowpack to streams, lakes and groundwater changes as the climate warms. Surprisingly, cloudy, gray and humid winter days can actually cause the snowpack to warm faster, increasing the likelihood of melt during winter months when the snowpack should be growing, the authors report. In contrast, under clear skies and low humidity the snow can become colder than the air, preserving the snowpack until spring.

what do you think?

2018-01-22 17:23:30



Bioinformaticians compute gene sequences inherited from each parent  

In the analysis of the human genome, one question researchers have so far left unanswered is how to differentiate the variants of a gene inherited from the mother and father. Such information would increase the likelihood of treating certain diseases successfully. The so-called third generation of sequencing technologies is now making this possible.

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2018-01-22 13:52:35



Heat loss from the Earth triggers ice sheet slide towards the sea  

In North-East Greenland, researchers have measured the loss of heat that comes up from the interior of the Earth. This enormous area is a geothermal 'hot spot' that melts the ice sheet from below and triggers the sliding of glaciers towards the sea.

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2018-01-22 13:51:24



Sea turtle crisis: Moisture, not just heat impacts sex of sea turtle hatchlings  

Male sea turtles are disappearing and not just in Australia. Researchers found that 97 to 100 percent of hatchlings in southeast Florida have been female since 2002. They are the first to show why and how moisture conditions inside the nest in addition to heat affect the development and sex ratios of turtle embryos, using a novel technique they developed to estimate sex ratios with a male-specific, transcriptional molecular marker Sox9.

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2018-01-22 13:26:19



A new assessment method for active aging  

Researchers have developed a new indicator for assessing active aging. Active aging refers to having initiative and doing things the aging person considers important. The indicator consists of a series of questions, which can be presented either in an interview or as a questionnaire. A score describing active ageing is calculated based on the responses. 

what do you think?

2018-01-22 12:48:26



User experiment at BESSY II: Complex tessellations, extraordinary materials  

Researchers have discovered a reaction path that produces exotic layers with semiregular structures. These kinds of materials are interesting because they frequently possess extraordinary properties. In the process, simple organic molecules are converted to larger units which form the complex, semiregular patterns.

what do you think?

2018-01-22 12:28:45



Two-dimensional circuit with magnetic quasi-particles  

Whether smart phone, computer or dialysis machine -- there is no electronic device without chips and their electronic components inside. The individual circuit elements are therefore often wired using three dimensional so called bridge constructions. Physicists are now working on a more efficient variation, where specific quasiparticles named magnons instead of electrons are being used. They have shown for the first time, in an initial model, that magnon current flow is possible in an integrated

what do you think?

2018-01-22 12:06:49



GoJelly project officially kicks off  

While the number of fish in our oceans continues to decrease, changing environmental conditions seem to favour jellyfish. They occur more often in large blooms. So far, they are considered annoying, if not dangerous. The project GoJelly aims to change that perception and to investigate the suitability of the organisms as microplastic filters, fertilizers or fish feed.

what do you think?

2018-01-22 11:39:53



Cryo-EM reveals critical protein-modifying complex and potential drug target  

Scientists have revealed the atomic-level structure of a molecular complex responsible for modifying proteins, possibly paving the way for the development of new medications for cancer and a host of other diseases.

what do you think?

2018-01-22 11:35:23



New Caledonian crows extract prey faster with complex hooked tools  

Biologists have discovered why some crows 'craft' elaborate hooked tools out of branched twigs.

what do you think?

2018-01-22 10:58:33



Sound waves used to advance optical communication  

Researchers have demonstrated that sound waves can be used to produce ultraminiature optical diodes that are tiny enough to fit onto a computer chip. These devices, called optical isolators, may help solve major data capacity and system size challenges for photonic integrated circuits, the light-based equivalent of electronic circuits, which are used for computing and communications.

what do you think?

2018-01-22 10:27:52



Cavity prevention approach effectively reduces tooth decay  

A scientifically based approach that includes a tooth-decay risk assessment, aggressive preventive measures and conservative restorations can dramatically reduce decay in community dental practices, according to a new study.

what do you think?

2018-01-22 10:22:28



Combination of resistance genes offers better protection for wheat against powdery mildew  

Plant researchers have tested newly developed wheat lines with improved resistance in field trials. They have demonstrated that a combination of two variations of a resistance gene provides wheat with better protection against the fungal disease.

what do you think?

2018-01-22 10:14:47



Housing instability negatively affects the health of children and caregivers  

When families don't have stable housing, their risk of struggling with poor health outcomes and material hardships, such as food insecurity, increases, according to a new study. Researchers surveyed over 22,000 families and found that one third of low-income renters were housing unstable, which was associated with negative impacts on their health.

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2018-01-22 09:43:19



Boosting cancer therapy with artificial molecules  

Researchers have created artificial molecules that can help the immune system to recognize and attack cancer tumors.

what do you think?

2018-01-22 09:16:26



New for three types of extreme-energy space particles: Theory shows unified origin  

One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals that they all could be shot out into space after cosmic rays are accelerated by powerful jets from supermassive black holes. The model may set a new milestone on the path toward solving the half-century-old enigma of the origin of the highest-energy particles in the universe.

what do you think?

2018-01-22 09:12:42



Seabed mining could destroy ecosystems  

Mining on the ocean floor could do irreversible damage to deep-sea ecosystems, says a new study of seabed mining proposals around the world.

what do you think?

2018-01-22 08:57:40



A 'hot Jupiter' with unusual winds  

The hottest point on a gaseous planet near a distant star isn't where astrophysicists expected it to be -- a discovery that challenges scientists' understanding of the many planets of this type found in solar systems outside our own.

what do you think?

2018-01-22 08:37:18



Transportable laser  

Physicists have developed a frequency-doubling unit for transportable, optical atomic clock that will even continue to operate when it has been shaken at three times the Earth's gravitational acceleration.

what do you think?

2018-01-22 08:29:16



How cells are able to turn  

Researchers have long wondered how our cells navigate inside the body. Two new studies have now demonstrated that the cells use molecular force from within to steer themselves in a certain direction. This knowledge may be of great significance in the development of new drugs.

what do you think?

2018-01-22 07:46:57



Digging deep into distinctly different DNA  

A new discovery has deepened our understanding of the genetic mutations that arise in different tissues, and how these are inherited. Researchers found the rates of genetic mutations in mitochondrial DNA vary across differing tissue types, with the highest rate occurring in reproductive cells.

what do you think?

2018-01-22 07:09:44



New semiconductor processing technology developed  

Extremely fine porous structures with tiny holes -- resembling a kind of sponge at nano level -- can be generated in semiconductors. This opens up new possibilities for the realization of tiny sensors or unusual optical and electronic components.

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2018-01-22 07:04:28



People with prosthetic arms less affected by common illusion  

People with prosthetic arms or hands do not experience the 'size-weight illusion' as strongly as other people, new research shows.

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2018-01-22 07:04:21



Finding unravels nature of cognitive inflexibility in Fragile X syndrome  

Mice with the genetic defect that causes Fragile X syndrome (FXS) learn and remember normally, but show an inability to learn new information that contradicts what they initially learned, shows a new study by a team of neuroscientists.

what do you think?

2018-01-22 06:53:11



A race against pine: Wood-boring wasp in North America threatened by a Eurasian invader  

Invasive species have diverse impacts in different locations, including biodiversity loss, as a result of native species being outcompeted for similar resources. A US research team studied the case of an aggressive Eurasian woodwasp that has recently established in North America and poses a threat to a native competitor species.

what do you think?

2018-01-22 06:44:30



Global temperature targets will be missed within decades unless carbon emissions reversed  

New projections by researchers could be the catalyst the world has sought to determine how best to meet its obligations to reduce carbon emissions and better manage global warming as defined by the Paris Agreement.

what do you think?

2018-01-22 06:39:52



Research helps break ground to clean up land  

Researchers have been exploring the intricate shapes that emerge when air is injected into soil. These findings could one day be used to speed up the decontamination of industrial brownfield sites.

what do you think?

2018-01-22 06:38:50



Scientists discover material ideal for smart photovoltaic windows  

Researchers have discovered that a form of perovskite, one of the hottest materials in solar research currently due to its high conversion efficiency, works surprisingly well as a stable and photoactive semiconductor material that can be reversibly switched between a transparent state and a non-transparent state, without degrading its electronic properties.

what do you think?

2018-01-22 06:37:56



Optical nanoscope allows imaging of quantum dots  

Physicists have developed a technique based on optical microscopy that can be used to create images of atoms on the nanoscale. In particular, the new method allows the imaging of quantum dots in a semiconductor chip.

what do you think?

2018-01-22 06:33:27



First evidence of winds outside black holes throughout their mealtimes  

New research shows the first evidence of strong winds around black holes throughout bright outburst events when a black hole rapidly consumes mass. The study sheds new light on how mass transfers to black holes and how black holes can affect the environment around them.

what do you think?

2018-01-22 06:24:15



Combined nutrients and warming massively increase methane emissions from lakes  

Shallow lakes in agricultural landscapes will emit significantly greater amounts of methane, mostly in the form of bubbles (ebullition) in a warmer world, which is a potential positive feedback mechanism to climate warming. Submerged plants are key predictors of methane ebullition. The combination of warming with the loss of plants appears to transform shallow lakes into methane bubbling machines.

what do you think?

2018-01-22 06:10:56



A method to measure diagnostic errors could be key to preventing disability and death from misdiagnosis  

In an effort to reduce patient misdiagnoses and associated poor patient outcomes from lack of prompt treatment, researchers are providing hospitals a new approach to quantify and monitor diagnostic errors in their quality improvement efforts.

what do you think?

2018-01-22 05:46:08



Improving vaccines for the elderly by blocking inflammation  

By identifying why skin immunity declines in old age, a research team has found that an anti-inflammatory pill could help make vaccines more effective for elderly people. The study found that an excessive inflammation reaction in older people can obstruct the immune system.

what do you think?

2018-01-22 04:58:58



Inverse-design approach leads to metadevices  

Scientists have used inverse design principles and a 3-D printer to create highly efficient broadband metadevices at millimeter-wave frequencies that could prove revolutionary for consumer products, defense, and telecommunications.

what do you think?

2018-01-22 04:57:16



Using social and risk networks helps identify people undiagnosed with HIV  

Conducting HIV testing among the social and risk networks of those recently diagnosed with HIV helps identify undiagnosed cases of HIV at significantly higher rates and at a lower cost than other testing approaches, finds a new study conducted in Ukraine by an international research team.

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2018-01-22 04:56:51



Study of learning and memory problems in OCD helps young people unlock potential at school  

Adolescents with obsessive-compulsive disorder (OCD) have widespread learning and memory problems, according to new research. The findings have already been used to assist adolescents with OCD obtain the help they needed at school to realize their potential -- including helping one individual go on to university.

what do you think?

2018-01-22 04:42:38



Climate engineering, once started, would have severe impacts if stopped  

Facing a climate crisis, we may someday spray sulfur dioxide into the upper atmosphere to form a cloud that cools the Earth, but suddenly stopping the spraying would have a severe global impact on animals and plants, according to the first study on the potential biological impacts of geoengineering, or climate intervention.

what do you think?

2018-01-22 04:27:45



Virus shown to be likely cause of mystery polio-like illness  

A major review has identified strong evidence that a virus called Enterovirus D68 is the cause of a mystery polio-like illness that has paralyzed children in the US, Canada and Europe.

what do you think?

2018-01-22 04:25:16



Wild Sri Lankan elephants retreat from sound of disturbed Asian honey bees  

A new study using playbacks, has for the first time shown that Asian elephants in Sri Lanka are scared of honey bees, much like their African counterparts. The study showed that Asian elephants responded with alarm to the bee simulations. They also retreated significantly further away and vocalized more in response to the bee sounds compared to controls.

what do you think?

2018-01-22 04:12:31



Your brain responses to music reveal if you're a musician or not  

How your brain responds to music listening can reveal whether you have received musical training, according to new research. By applying methods of computational music analysis and machine learning on brain imaging data collected during music listening, the researchers we able to predict with a significant accuracy whether the listeners were musicians or not.

what do you think?

2018-01-22 03:39:46



New fuel cell technology runs on solid carbon  

Advancements in a fuel cell technology powered by solid carbon could make electricity generation from coal and biomass cleaner and more efficient, according to a new article. Innovations in the anode, the electrolyte and the fuel allow the fuel cell to utilize more carbon, operate at lower temperatures and show higher maximum power densities than earlier direct carbon fuel cells (DCFCs).

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2018-01-22 03:37:24



The world's most powerful acoustic tractor beam could pave the way for levitating humans  

Acoustic tractor beams use the power of sound to hold particles in mid-air, and unlike magnetic levitation, they can grab most solids or liquids even small insects. For the first time engineers have shown it is possible to stably trap objects larger than the wavelength of sound in an acoustic tractor beam. This discovery could enable the manipulation of drug capsules or micro-surgical implements within the body. The discovery could even lead to levitating humans.

what do you think?

2018-01-22 03:14:56



New long-acting approach for malaria prophylaxis developed using nanomedicine approach  

A new study highlights a novel long-acting medicine for the prevention of malaria. The approach uses nanotechnology to improve the delivery of an existing antimalarial drug via a novel injectable format that can maintain blood concentration of the drug for weeks or months following a single dose.

what do you think?

2018-01-22 03:10:29



Lab-made hormone may reveal secret lives of plants  

A new synthetic hormone promises to tease apart the many different roles of the plant hormone auxin and could lead to a new way to ripen fruit.

what do you think?

2018-01-22 03:03:51



Anemia discovery offers new targets to treat fatigue in millions  

Researchers have discovered an unknown biological process that controls the production of vital cells that carry oxygen throughout the body. The discovery could help doctors develop new treatments for anemias that affect millions of people.

what do you think?

2018-01-22 02:49:58



New insights into how your brain keeps its balance  

An interdisciplinary team of scientists has discovered that two large protein kinases, ATM and ATR, cooperate to help establish the go/stop balance in human brains.

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2018-01-22 02:34:22



Epilepsy linked to brain volume and thickness differences  

Epilepsy is associated with thickness and volume differences in the grey matter of several brain regions, according to new research. The largest-ever neuroimaging study of people with epilepsy, shows that epilepsy involves more widespread physical differences than previously assumed, even in types of epilepsy that are typically considered to be more benign if seizures are under control.

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2018-01-22 02:30:14



'Depression education' effective for some teens  

In an assessment of their 'depression literacy' program, which has already been taught to tens of thousands, researchers say the Adolescent Depression Awareness Program achieved its intended effect of encouraging many teenagers to speak up and seek adult help for themselves or a peer.

what do you think?

2018-01-22 02:29:06



Big energy savings: Building the world's smallest electro-optic modulator  

Researchers at have designed and fabricated the world's smallest electro-optic modulator, which could mean major reductions in energy used by data centers and supercomputers.

what do you think?

2018-01-22 02:14:58



New metal-semiconductor interface for brain-inspired computing  

One of the big challenges in computer architecture is integrating storage, memory and processing in one unit. This would make computers faster and more energy efficient. Physicists have taken a big step towards this goal by combining a niobium doped strontium titanate (SrTiO3) semiconductor with ferromagnetic cobalt. At the interface, this creates a spin-memristor with storage abilities, paving the way for neuromorphic computing architectures.

what do you think?

2018-01-22 01:50:07



Making fuel cells for a fraction of the cost  

Researchers now describe the development of an inexpensive, efficient catalyst material for a type of fuel cell called a polymer electrolyte membrane fuel cell, which turns the chemical energy of hydrogen into electricity and is among the most promising fuel cell types to power cars and electronics.

what do you think?

2018-01-22 01:50:06



Engineers design artificial synapse for 'brain-on-a-chip' hardware  

Engineers have designed an artificial synapse in such a way that they can precisely control the strength of an electric current flowing across it, similar to the way ions flow between neurons. The team has built a small chip with artificial synapses, made from silicon germanium. In simulations, the researchers found that the chip and its synapses could be used to recognize samples of handwriting, with 95 percent accuracy.

what do you think?

2018-01-22 01:35:46



Alcohol consumption in late teens can lead to liver problems in adulthood  

Alcohol is the leading cause of liver cirrhosis and liver-related deaths. Results of a large long-term study in Sweden have confirmed that drinking during late adolescence could be the first step towards liver problems in adulthood and that guidelines for safe alcohol intake in men might have to be revised downwards.

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2018-01-22 01:34:36



Role of cranial modification in identity formation: Did head shape encourage unity and cooperation in politics?  

It has long been recognized that the Inka incorporated diverse peoples into their empire, but how these ethnic groups developed historically during the political upheaval of the preceding Late Intermediate Period (LIP; AD 1100-1450) is only now receiving commensurate attention.

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2018-01-22 01:28:18



Kicking an old can of worms -- the origin of the head in annelids  

Researchers have described an exceptionally well-preserved new fossil species of bristle worm called Kootenayscolex barbarensis. Discovered from the 508-million-year-old Marble Canyon fossil site in the Burgess Shale in Kootenay National Park, the new species helps rewrite our understanding of the origin of the head in annelids, a highly diverse group of animals which includes today's leeches and earthworms.

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2018-01-22 01:23:51



2d tin (stanene) without buckling: A possible topological insulator  

Researchers produce 2D sheets of tin atoms predicted to have exotic uses in electronics.

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2018-01-21 11:24:27



Bio-renewable process could help 'green' plastic  

Plastics are often derived from petroleum, contributing to reliance on fossil fuels and driving harmful greenhouse gas emissions. To change that, scientists are trying to take the pliable nature of plastic in another direction, developing new and renewable ways of creating plastics from biomass.

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2018-01-21 05:10:06



Prescription drug labels provide scant dosing guidance for obese kids  

Despite the US Congress providing incentives to drug manufacturers to encourage the study of medications in children, few approved drugs include safe dosing information for obese kids.

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2018-01-21 03:42:04



Hunting dogs as possible vectors for the infectious disease tularaemia  

Tularaemia is an infectious bacterial disease that is life-threatening for rodents, rabbits and hares, but which can also infect humans and dogs. While contact with contaminated blood or meat makes hunters a high-risk group, the frequency of infections among hunting dogs has not been much studied. Researchers have now confirmed a relevant prevalence of infections in Austrian hunting dogs following a serological study in which seven percent of the animals tested positive. This could lead to more

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2018-01-20 21:48:05



The Down syndrome 'super genome'  

Down's syndrome -- also known as trisomy 21 -- is a genetic disorder caused by an additional third chromosome 21. Although this genetic abnormality is found in one out of 700 births, only 20% of fetuses with trisomy 21 reach full term. But how do they manage to survive the first trimester of pregnancy despite this serious handicap? Researchers have found that children born with Down syndrome have an excellent genome in many ways -- better, in fact, than the average genome of people without the g

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2018-01-20 21:33:53



More genes are active in high-performance maize  

When two maize inbred lines are crossed with each other, an interesting effect occurs: The hybrid offspring have a significantly higher yield than either of the two parent plants. Scientists have now investigated a number of genetically distinct hybrids. They showed that the offspring had many more active genes than the original parents. These results may help in the cultivation of even higher-yielding maize varieties.

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2018-01-20 18:19:01



A survival lesson from bats: Eating variety keeps species multiplying  

A new study reveals that omnivorous New World noctilionoid bats, those species with diets including both plant and animal materials, produce more new species in the long run than specialized vegetarian or insectivorous species.

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2018-01-20 17:42:12



Artificial agent designs quantum experiments  

On the way to an intelligent laboratory, physicists present an artificial agent that autonomously designs quantum experiments. In initial experiments, the system has independently (re)discovered experimental techniques that are nowadays standard in modern quantum optical laboratories. This shows how machines could play a more creative role in research in the future.

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2018-01-20 16:32:29



Can being too social take years off your life?  

Large ground squirrels called yellow-bellied marmots live much longer, on average, if they are less social and more isolated than if they are more social and less isolated, a long-term study has found.

what do you think?

2018-01-20 14:49:07



Adhesives developed to prevent bracket stains on teeth  

Researchers have performed research to develop adhesive materials that will prevent white stains from appearing on the teeth of people who use brackets.

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2018-01-20 11:44:18



The human body's golden gate to iron traffic  

New findings could change how iron metabolism in the human body is understood, and open new horizons for research and therapeutics for inflammatory diseases and neurodegenerative diseases, such as Alzheimer's and Parkinson's disease.

what do you think?

2018-01-20 10:45:39



A nanophenomenon that triggers the bone-repair process  

Researchers have resolved one of the great unknowns in bone self-repair: how the cells responsible for forming new bone tissue are called into action. Their work reveals the role of an electromechanical phenomenon at the nanoscale, flexoelectricity, as a possible mechanism for stimulating the cell response and guiding it throughout the fracture repair process.

what do you think?

2018-01-20 10:07:11



Promising malaria vaccine tested  

An international research team has conducted successful phase II clinical tests of a new anti-malaria medication. The treatment led to a cure in 83 cases.

what do you think?

2018-01-20 08:02:26



Infant mortality rates in Texas vary dramatically from one zip code to the next  

Infant mortality rates in Texas vary dramatically even across neighboring zip codes, according to a new analysis and mapping tool. The analysis and searchable map, which are the first of their kind in Texas, use data from Texas Vital Statistics Linked Birth and Death Records from 2011-2014.

what do you think?

2018-01-20 07:30:55



Hedgehog signaling proteins keep cancer stem cells alive  

Scientists have discovered that the survival of cancer stem cells is dependent on the 'Hedgehog signaling pathway'. Targeting this pathway had previously shown no effect on the growth of colorectal cancer. Now, scientists have demonstrated that using different drugs to target a specific aspect of the pathway may yield better treatment outcomes for patients.

what do you think?

2018-01-20 05:58:46



Breakthrough study shows how plants sense the world  

Plants lack eyes and ears, but they can still see, hear, smell and respond to environmental cues and dangers. They do this with the aid of hundreds of membrane proteins that sense microbes or other stresses. Researchers now have created the first network map for 200 of these proteins. The map shows how a few key proteins act as master nodes critical for network integrity, and the map also reveals unknown interactions.

what do you think?

2018-01-19 21:18:29



'Programmable droplets' could enable high-volume biology experiments  

Researchers have developed hardware that uses electric fields to move droplets of chemical or biological solutions around a surface, mixing them in ways that could be used to test thousands of reactions in parallel.

what do you think?

2018-01-19 21:14:15



Packing a genome, step-by-step  

For the first time, scientists can see in minute-time resolution how cells package chromosomes into highly condensed structures prior to cell division.

what do you think?

2018-01-19 18:42:05



Factor that doubles the risk of death from breast cancer identified  

Researchers have discovered that the risk of death from breast cancer is twice as high for patients with high heterogeneity of the estrogen receptor within the same tumor as compared to patients with low heterogeneity. The study shows that the higher risk of death is independent of other known tumor markers and also holds true for Luminal A breast cancer.

what do you think?

2018-01-19 18:41:58






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