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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.



Genetic vulnerability to menthol cigarette use  

A genetic variant found only in people of African descent significantly increases a smoker's preference for cigarettes containing menthol, a flavor additive. The variant of the MRGPRX4 gene is five to eight times more frequent among smokers who use menthol cigarettes than other smokers. The multi-ethnic study is the first to look across all genes to identify genetic vulnerability to menthol cigarettes.

what do you think?

2019-02-15 20:42:47



Brain connections that disadvantage night owls revealed  

'Night owls' -- those who go to bed and get up later -- have fundamental differences in their brain function compared to 'morning larks,' which mean they could be disadvantaged by the constraints of a normal working day.

what do you think?

2019-02-15 20:31:50



Most triggers for irregular heartbeat can be easily modified  

A personal survey of patients with atrial fibrillatio, one of the most important causes of irregular heartbeats, has found that the majority of triggers for the condition are easily modifiable lifestyle choices, including alcohol, caffeine, exercise and lack of sleep.

what do you think?

2019-02-15 20:28:35



New tool for documenting injuries may provide better evidence for elder abuse cases  

Scientists have developed the first standardized framework for clinicians to document physical findings on older patients for better evidence in abuse cases.

what do you think?

2019-02-15 20:08:47



On the origin of B1 cells  

A new study may resolve a decades-old debate in immunology: researchers report that distinct progenitor cells are not required for the development of B1 cells. Instead, the team's experiments show that a B1-typical B-cell receptor can reprogram B2 cells into B1 cells, suggesting that B1 cells emerge as a consequence of their special B-cell receptors.

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2019-02-15 19:40:45



Open-science model for drug discovery expands to neurodegenerative diseases  

Parkinson's disease and Amyotrophic Lateral Sclerosis are the newest frontiers for open science drug discovery, a global movement led by academic scientists that puts knowledge sharing and medication affordability ahead of patents and profits.

what do you think?

2019-02-15 18:14:45



New live-imaging technique reveals cellular repair crew plugging leaky biological barrier  

Suppose you live in a brick house and notice cracks in the mortar that let in cold air, rain and insect pests. You might call a brick mason to repair those leaks and to restore the barrier that keeps the great outdoors from getting inside.

what do you think?

2019-02-15 17:32:24



Drug to rejuvenate muscle cells  

Researchers have developed a promising drug that has proven to significantly increase muscle size, strength and metabolic state in aged mice, according to a new study.

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2019-02-15 17:31:17



Study on measles transmission in China have implications for controlling the epidemic worldwide  

A new study on the measles epidemic in China has far-reaching implications for eliminating the infection globally. Using a new model-inference system, the researchers were able to estimate population susceptibility and demographical characteristics in three key locations in China, in a period that spans the pre-vaccine and modern mass-vaccination eras.

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2019-02-15 17:06:12



It doesn't take much for soldiers to feel cared for  

Caring texts sent to active-duty military had important findings in reducing suicide.

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2019-02-15 16:22:34



Teens living in US states allowing medical marijuana smoke less cannabis  

According to a large-scale study of American high school students, legalizing medicinal marijuana has actually led to a drop in cannabis use among teenagers. The study used the results of an anonymous survey given to more than 800,000 high school students across 45 states to calculate the number of teens who smoke cannabis.

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2019-02-15 14:45:48



Study examines how compound damaged DNA to understand its connection to cancer  

In an effort to understand how colibactin, a compound produced by certain strains of E. coli, may be connected to the development of colorectal cancer, researchers are exploring how the compound damages DNA to produce DNA adducts.

what do you think?

2019-02-15 14:36:04



A weakness in a rare cancer that could be exploited with drugs  

Researchers have identified a rare type of cancer cell that cannot make cholesterol, a key nutrient. By targeting this deficiency, scientists may be able to develop new strategies for treating the disease.

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2019-02-15 13:31:52



'Cellular barcoding' reveals how breast cancer spreads  

A cutting-edge technique called cellular barcoding has been used to tag, track and pinpoint cells responsible for the spread of breast cancer from the main tumour into the blood and other organs.

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2019-02-15 12:16:39



Parents don't pick favorites, at least if you're a Magellanic penguin  

Researchers wanted to know how Magellanic penguin parents in South America balance the dietary demands of multiple chicks. They found that when a Magellanic penguin parent returns to its nest with fish, the parent tries to feed each of its two chicks equal portions of food, regardless of the youngsters' differences in age or size.

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2019-02-15 11:52:46



Giving keener 'electric eyesight' to autonomous vehicles  

Autonomous vehicles relying on light-based image sensors often struggle to see through blinding conditions, such as fog. But researchers have developed a sub-terahertz-radiation receiving system that could help steer driverless cars when traditional methods fail.

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2019-02-15 11:01:32



Interval training may shed more pounds than continuous moderate intensity workout  

Interval training may shed more pounds than a continuous moderate intensity workout, suggests a pooled analysis of the available evidence.

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2019-02-15 09:46:40



A nearby river of stars  

Astronomers have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively nearby and contains at least 4000 stars that have been moving together in space since they formed, about 1 billion years ago.

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2019-02-15 08:49:25



Graphene-based wearables for health monitoring, food inspection and night vision  

Scientists have developed dozens of new graphene-based prototypes. These technologies aim to turn mobile phones into life saving devices.

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2019-02-15 08:45:38



Laminitis research to help save horses and ponies  

Laminitis -- a complex, common and often devastating disease -- is the second biggest killer of domestic horses. Now a body of important research on it has been compiled.

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2019-02-15 08:44:56



From vibrations alone, acacia ants can tell nibbles from the wind  

Researchers find that the ants of the acacia tree are tipped off to the presence of herbivores by vibrations that run throughout the trees when an animal gets too close or begins to chew. As a result, the insects begin patrolling the acacia's branches more actively. Remarkably, the researchers show, the ants don't react when the trees' movements are caused only by the wind.

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2019-02-15 07:35:27



Exercise might improve health by increasing gut bacterial diversity  

Research has suggested that the efficiency with which we transport oxygen to our tissues (cardiorespiratory fitness) is a far greater predictor of gut microbiota diversity than either body fat percentage or general physical activity.

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2019-02-15 07:30:05



Gravitational waves will settle cosmic conundrum  

Measurements of gravitational waves from approximately 50 binary neutron stars over the next decade will definitively resolve an intense debate about how quickly our universe is expanding, according to new findings.

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2019-02-15 06:55:53



'Seeing' tails help sea snakes avoid predators  

New research has revealed the fascinating adaptation of some Australian sea snakes that helps protect their vulnerable paddle-shaped tails from predators.

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2019-02-15 06:20:18



Patients' own cells could be the key to treating Crohn's disease  

A new technique using patients' own modified cells to treat Crohn's disease has been proven to be effective in experiments using human cells, with a clinical trial of the treatment expected to start in the next six months.

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2019-02-15 06:13:20



The prospects of American strawberries  

Researchers have embarked on an academic journey designed to generate an effective guideline essential for research, policy, and marketing strategies for the strawberry industry across the country, and to enable the development of general and region-specific educational and production tools.

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2019-02-15 05:55:01



Effective self-control strategies involve much more than willpower  

It's mid-February, around the time that most people waver in their commitment to the resolutions they've made for the new year. Many of these resolutions require us to forego a behavior we want to engage in for the one we think we should engage in. In a new report, leading researchers in behavioral science propose a new framework that outlines different types of self-control strategies and emphasizes that self-control entails more than sheer willpower to be effective.

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2019-02-15 03:12:34



Bioengineers create ultrasmall, light-activated electrode for neural stimulation  

Scientists have detailed a less invasive method of neural stimulation that would use an untethered ultrasmall electrode activated by light, a technique that may mitigate damage done by current methods.

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2019-02-15 03:07:18



Hope for fighting disease known as Ebola of frogs  

Despite widespread infection, some frog populations are surviving a deadly disease that is the equivalent of humankind's Ebola virus. The reason -- genetic diversity.

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2019-02-15 01:53:23



Tide gauges capture tremor episodes in cascadian subduction zone  

Hourly water level records collected from tide gauges can be used to measure land uplift caused by episodic tremor and slip of slow earthquakes in the Cascadia Subduction Zone, according to a new report.

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2019-02-15 01:48:59



Tidal tails: The beginning of the end of an open star cluster  

In the course of their life, open star clusters continuously lose stars to their surroundings. The resulting swath of tidal tails provides a glimpse into the evolution and dissolution of a star cluster. Thus far only tidal tails of massive globular clusters and dwarf galaxies have been discovered in the Milky Way system. In open clusters, this phenomenon existed only in theory. Researchers have now finally verified the existence of such a tidal tail in the star cluster closest to the Sun, the Hy

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2019-02-15 01:27:05



Immersive virtual reality therapy shows lasting effect in treatment of phobias in children with autism  

New research shows that an immersive virtual reality environment treats 45 percent of children with autism, freeing them from their fears and phobias -- and that the treatment lasts.

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2019-02-15 01:10:40



Ultra-lightweight ceramic material withstands extreme temperatures  

Researchers have created an extremely light, very durable ceramic aerogel. The material could be used for applications like insulating spacecraft because it can withstand the intense heat and severe temperature changes that space missions endure.

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2019-02-14 21:55:38



Delays in banning wildlife trade put hundreds of species at risk  

From parrots to lizards, hundreds of animal species could be at risk of extinction because of a policy process that responds slowly to scientific knowledge, according to a new study.

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2019-02-14 20:15:30



Novel software offers possible reduction in arrhythmic heart disease  

Potentially lethal heart conditions may become easier to spot and may lead to improvements in prevention and treatment thanks to innovative new software that measures electrical activity in the organ.

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2019-02-14 19:53:45



Massive Bolivian earthquake reveals mountains 660 kilometers below our feet  

Geophysicists used data from an enormous earthquake in Bolivia to find mountains at the base of the mantle's transition zone, located 660 kilometers below our feet. Their statistical model didn't allow for precise height measurements, but these mountains may be bigger than anything on the surface of the Earth. The researchers also examined the top of the transition zone (410 km down) and did not find similar roughness.

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2019-02-14 19:32:07



Oldest Americans most focused on reducing food waste  

The vast majority of Americans are paying attention to reducing food waste with the oldest being the most cognizant, according to the latest poll.

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2019-02-14 19:20:59



Shaping light lets 2D microscopes capture 4D data  

Researchers have created a method to design custom masks that transform 2D fluorescent microscopy images into 3D movies.

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2019-02-14 17:23:35



When research participation pays, some people lie  

Offering compensation can be an important tactic to attract potential participants for enrollment in research studies, but it might come at a cost. A new study found that up to 23 percent of respondents lied about their eligibility to participate in a survey when offered payment, even small amounts.

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2019-02-14 17:14:43



Spintronics by 'straintronics'  

Data storage in magnetic media is very energy consuming. Novel materials could reduce the energy needed to control magnetic memories thus contributing to a smaller carbon footprint of the IT sector. Now an international team has observed at the HZB lightsource BESSY II a new phenomenon in iron nanograins: whereas normally the magnetic moments of the iron grains are disordered at room temperature, this can be changed by applying an electric field.

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2019-02-14 15:49:01



Can we repair the brain? The promise of stem cell technologies for treating Parkinson's disease  

Cell replacement may play an increasing role in alleviating the motor symptoms of Parkinson's disease (PD) in future. Writing in a special supplement to the Journal of Parkinson's Disease, experts describe how newly developed stem cell technologies could be used to treat the disease and discuss the great promise, as well as the significant challenges, of stem cell treatment.

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2019-02-14 14:07:41



Platinum nanoparticles for selective treatment of liver cancer cells  

Researchers recently demonstrated that platinum nanoparticles can be used to kill liver cancer cells with greater selectivity than existing cancer drugs.

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2019-02-14 12:58:15



Philosophy: What exactly is a black hole?  

What is a black hole? A philosopher shows that physicists use different definitions of the concept, depending on their own particular fields of interest.

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2019-02-14 12:41:50



High-speed surveillance in solar cells catches recombination red-handed  

Using synchronized lasers pulses, researchers developed a new method of electrostatic force microscopy that can record movies with frames as fast as 300 nanoseconds. This is fast enough to watch electrons move inside solar cells, which can lead to more efficient solar power devices.

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2019-02-14 12:34:16



Lipoproteins behave 'almost like a tiny Velcro ball'  

Setbacks in drug trials aiming to raise HDL have led researchers to reassess the particle's effects on heart health. A study combining proteomics and mouse genetics may help researchers understand researchers understand the proteins in the particle, how they get there and how they determine HDL function.

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2019-02-14 12:04:43



New molecular blueprint advances our understanding of photosynthesis  

Researchers have used one of the most advanced microscopes in the world to reveal the structure of a large protein complex crucial to photosynthesis, the process by which plants convert sunlight into cellular energy. The finding will allow scientists to explore for the first time how the complex functions, and could have implications for the production of a variety of bioproducts, including plastic alternatives and biofuels.

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2019-02-14 12:04:38



Research forms complex picture of mercury pollution in a period of global change  

This study looks at how climate change and land use modification impact mercury pollution in wetlands.

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2019-02-14 11:59:37



New clues to predict tipping points for marsh survival  

Sea-level rise, sediment starvation and other environmental woes pose increasing threats to coastal wetlands worldwide. But a new study could help stem the losses by giving scientists a broader understanding of which wetlands are most at risk and why. The study assessed wetland distribution and resilience in hundreds of US estuaries at five different spatial scales. Its findings will help guide future efforts to preserve or restore threatened wetlands.

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2019-02-14 11:49:46



The ways of wisdom in schizophrenia  

Researchers report that persons with schizophrenia scored lower on a wisdom assessment than non-psychiatric comparison participants, but that there was considerable variability in levels of wisdom, and those with higher scores displayed fewer psychotic symptoms.

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2019-02-14 11:42:58



How proteins become embedded in a cell membrane  

Many proteins with important biological functions are embedded in a biomembrane in the cells of humans and other living organisms. But how do they get in there in the first place? Researchers have now investigated the matter.

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2019-02-14 10:33:35



Orangutans make complex economic decisions about tool use  

Flexible tool use is closely associated to higher mental processes such as the ability to plan actions. Now a group of cognitive biologists and comparative psychologists found out that the apes carefully weighed their options. To do so the apes considered the details such as differences in quality between the two food rewards and the functionality of the available tools in order to obtain a high quality food reward.

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2019-02-14 10:14:54



Blindfolded training could help doctors save young lives  

Doctors have found that pediatric team leaders improve more during resuscitation training if they wear a blindfold. Their findings demonstrate a promising tool for improving training and outcomes in pediatric resuscitation.

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2019-02-14 09:48:09



Spacecraft measurements reveal mechanism of solar wind heating  

A new study describes the first direct measurement of how energy is transferred from the chaotic electromagnetic fields in space to the particles that make up the solar wind, leading to the heating of interplanetary space.

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2019-02-14 09:35:50



Diagnostic tool for detecting cryptosporidium  

Using a small and inexpensive biosensor, researchers have developed a novel low-cost technique that quickly and accurately detects cryptosporidium contamination in water samples.

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2019-02-14 09:29:33



How cosmic events give insight into fundamental properties of matter  

The option to measure the gravitational waves of two merging neutron stars has offered the chance to answer some of the fundamental questions about the structure of matter. At the extremely high temperatures and densities in the merger scientists conjecture a phase-transition where neutrons dissolve into their constituents: quarks and gluons.

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2019-02-14 09:22:52



Dog burial as common ritual in Neolithic populations of north-eastern Iberian Peninsula  

Coinciding with the Pit Grave culture (4200-3600 years before our era), coming from Southern Europe, the Neolithic communities of the north-eastern Iberian Peninsula started a ceremonial activity related to the sacrifice and burial of dogs. The high amount of cases that are recorded in Catalonia suggests it was a general practice and it proves the tight relationship between humans and these animals, which, apart from being buried next to them, were fed a similar diet to humans'.

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2019-02-14 09:09:31



Better red than dread: Barrier keeps batteries safe  

A layer of red phosphorus in rechargeable lithium metal batteries can signal when damaging dendrites threaten to create a short circuit. The strategy, which does not require a third electrode, could help bring more powerful lithium metal batteries to market.

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2019-02-14 08:27:13



The more the merrier? Children with multiple siblings more susceptible to bullying  

A child with more than one brother or sister is more likely to be the victim of sibling bullying than those with only one sibling, and firstborn children and older brothers tend to be the perpetrators.

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2019-02-14 08:12:10



The language of conversation impacts on the 'synchronization' of our brains  

Experts have shown for the first time that the way in which the activity of two brains is connected depends on whether the dialogue takes place in the native language or in a foreign language.

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2019-02-14 07:49:28



Stress in crops points to surprising benefits  

Stress is known as the 'killer disease' and in humans it can lead to an increased risk of terminal issues such as heart attack or stroke. But now research indicates that stress in the plant kingdom is far less destructive to plants than it is to humans.

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2019-02-14 07:48:36



What's age got to do with it?  

It's often said: it's not how old you are, it's how old you feel. New research shows that physiological age is a better predictor of survival than chronological age.

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2019-02-14 07:42:57



Safe consumption sites: Study identifies policy change strategies and challenges  

A new qualitative study identifies several key lessons from early efforts to establish sanctioned safe consumption sites in five US communities. The results offer insights on one approach some localities are exploring to address the escalating drug overdose crisis in the US.

what do you think?

2019-02-14 06:47:41



Blockchain can strengthen the credibility of meta-analyses  

Blockchain -- the technology behind the secure transactions of cryptocurrencies like Bitcoin -- can make it easier for researchers to conduct transparent meta-analyses in social science research where reproducibility is a growing concern.

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2019-02-14 06:38:50



Tiny satellites reveal water dynamics in thousands of northern lakes  

In a finding that has implications for how scientists calculate natural greenhouse gas emissions, a new study finds that water levels in small lakes across northern Canada and Alaska vary during the summer much more than was assumed.

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2019-02-14 06:23:06



Getting a grip on human-robot cooperation  

There is a time when a successful cooperation between humans and robots has decisive importance: it is in the precise moment that one "actor" is required to hand an object to another "actor" and, therefore, to coordinate their actions accordingly. But how can we make this interaction more natural for robots?

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2019-02-14 05:56:13



Newly isolated human gut bacterium reveals possible connection to depression  

Researchers have established a correlation between depression and a group of neurotransmitter-producing bacteria found in the human gut.

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2019-02-14 05:53:32



Mathematical monotsukuri: Summing a constant may help to detect synchronized brain activity  

Scientists have found a simple, yet effective, way to improve how synchronization is measured in chaotic systems. The technique consists in adding a constant parameter to the 'analytic signals' in a way that emphasizes certain aspects of their timing. This could help improve brain-computer interfaces, which are meant to aid disabled people.

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2019-02-14 05:52:34



Fate of meerkats tied to seasonal climate effects  

Does a drier and hotter climate present a threat to the meerkats in the Kalahari Desert? Researchers show that climate change is likely to impact meerkats, and seasonal rainfall and temperature will be the key factors.

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2019-02-14 05:42:37



MRI and computer modeling reveals how wrist bones move  

We use our wrists constantly, but how do they work? Researchers have now demonstrated a longtime assumption about individuals' right and left wrists, while also finding differences between wrists of males and females: discoveries that could help inform and guide future treatments.

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2019-02-14 05:35:20



Tracking pollen with quantum dots  

Most plant species on earth are reliant on insects for pollination, including more than 30% of the food crops we eat. With insects facing rapid global decline, it is crucial that scientists understand which insects are important pollinators of different plants--this starts with tracking pollen.

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2019-02-14 05:28:13



Platelet 'decoys' outsmart both clots and cancer  

What do heart disease, stroke, sepsis, and cancer have in common, aside from being deadly diseases? They're all linked to platelets, the cells in our blood that normally help our blood clot. New research has created 'decoy' platelets that can both prevent blood clots and keep cancer from spreading.

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2019-02-14 05:24:21



Bioluminescent deep-sea creatures illuminate the effectiveness of new cancer therapies  

A new tool can improve development and effectiveness of leading-edge cancer therapies derived from patients' immune systems.

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2019-02-14 05:22:02



Effect of breastfeeding versus pumping on human milk microbiome  

A large-scale analysis in humans suggests that the milk microbiota is affected by bacteria both from the infant's mouth and from environmental sources such as breast pumps, although future research will be needed to assess the effects that these changes may have on the infant gut microbiome and infant health.

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2019-02-14 05:16:34



Sensitive sensor detects Down syndrome DNA with blood test during pregnancy  

According to the Centers for Disease Control and Prevention, Down syndrome is the most common birth defect, occurring once in every 700 births. However, traditional noninvasive prenatal tests for the condition are unreliable or carry risks for the mother and fetus. Now, researchers have developed a sensitive new biosensor that could someday be used to detect fetal Down syndrome DNA in pregnant women's blood.

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2019-02-14 05:13:19



Scientists look to past to help identify fish threatened with local extinction  

Marine scientists have developed a methodology to assess fish stocks that combines new data with archeological and historical records - some dating back to the 8th Century AD.

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2019-02-14 05:10:07



NASA's Opportunity rover mission on Mars comes to end  

One of the most successful and enduring feats of interplanetary exploration, NASA's Opportunity rover mission is at an end after almost 15 years exploring the surface of Mars and helping lay the groundwork for NASA's return to the Red Planet.

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2019-02-14 05:02:35



'Old' sperm produces healthier offspring  

Research shows that sperm that live for longer before fertilizing an egg produce healthier offspring. What's more, these offspring go on to have longer, healthier lifespans -- and in turn produce more and healthier offspring themselves. It was assumed that it doesn't matter which sperm fertilizes an egg. But this shows that there are massive differences between sperm and how they affect offspring. The research was carried out in zebrafish but may have implications for human fertility.

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2019-02-14 04:52:27



New approach improving stability and optical properties of perovskite films  

Metal halide perovskites are regarded as next generation materials for light emitting devices. A recent study has developed a new and efficient fabrication approach to produce all-inorganic perovskite films with better optical properties and stability, enabling the development of high colour-purity and low-cost perovskite light-emitting devices (LEDs) with a high operational lifetime.

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2019-02-14 04:51:19



Genetic variations in a fourth gene linked to elevated leukemia risk in Hispanic children  

Progress reported on understanding why Hispanic children are more likely to develop acute lymphoblastic leukemia and to die of the disease.

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2019-02-14 04:47:09



Biocolonizer species are putting the conservation of the granite at Machu Picchu at risk  

A research group has used a non-destructive methodology to determine the role of specific algae, lichens, mosses, cyanobacteria, etc. that may be causing exfoliation and delamination, which are degrading the Sacred Rock of Machu Picchu, one of the most important symbols in the Peruvian archaeological city.

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2019-02-14 04:47:01



Controlling and visualizing receptor signals in neural cells with light  

Using a novel optogenetic tool, researchers have successfully controlled, reproduced and visualized serotonin receptor signals in neural cells. To this end, they modified a photosensitive membrane receptor in the eye, namely melanopsin. They were able to switch the receptor on and off using light; it also acted like a sensor indicating via fluorescence if specific signalling pathways in the cell had been activated. The sensor was, moreover, specifically designed to migrate to those domains in th

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2019-02-14 04:45:57



Cell study sheds light on damage caused by aging  

Some of the damaging cell effects linked to aging could be prevented by manipulating tiny parts of cells, a study shows.

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2019-02-14 04:43:41



Social threat learning influences our decisions  

Learning what is dangerous by watching a video or being told (known as social learning) has just as strong an effect on our decision-making as first-hand experience of danger, researchers report. The results of the study can help to explain why we make irrational decisions.

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2019-02-14 04:42:49



Hop to it: Researchers evaluate rabbits' evolved resistance to myxoma virus  

Researchers have validated the role of specific rabbit genes in contributing to this acquired resistance.

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2019-02-14 04:17:52



Immunological scarring from celiac disease  

Immune cells in the bowel of people who suffer with celiac disease are permanently replaced by a new subset of cells that promote inflammation, suggests a new study.

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2019-02-14 04:16:30



Carbon gas storage cavern is the best way to obtain clean energy from a fossil fuel  

Scientists are developing technology to separate CO2 and methane in oil and gas exploration and store it in offshore salt caverns.

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2019-02-14 04:02:09



Engineers develop wearable respiration monitor with children's toy  

Using Shrinky Dinks, a popular children's toy, engineers have created wearable, disposable respiration sensors that track the rate and volume of a wearer's breath. The new device will help sufferers of asthma and many other pulmonary conditions.

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2019-02-14 04:01:11



High-performance quantum dot mode-locked laser on silicon  

Ten years into the future. That's about how far an electrical and computer engineering professor and his research team are reaching with the recent development of their mode-locked quantum dot lasers on silicon. It's technology that not only can massively increase the data transmission capacity of data centers, telecommunications companies and network hardware products to come, but do so with high stability, low noise and the energy efficiency of silicon photonics.

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2019-02-14 03:54:59



Exercise gives older men a better brain boost  

New research suggests that the relationship between physical and brain fitness varies in older adults by virtue of their sex.

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2019-02-14 03:45:32



New dinosaur with heart-shaped tail provides evolutionary clues for African continent  

A new dinosaur that wears its 'heart' on its tail provides new clues to how ecosystems evolved on the African continent during the Cretaceous period.

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2019-02-14 03:41:47



Cannabis use in teens linked to risk of depression in young adults  

Cannabis is the most commonly used recreational drug by teenagers worldwide. In Canada, among youth aged 15 to 19 years, the rate of past-year cannabis use is 20.6 percent, while in England, 4 percent of adolescents aged 11 to 15 years used cannabis in the last month.

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2019-02-14 03:35:24



Online support for GPs reduces unnecessary antibiotic prescriptions  

New research shows that electronically-delivered prescribing feedback and online decision support for GPs reduces unnecessary antibiotic prescriptions for respiratory illness.

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2019-02-14 03:33:17



Common virus in early childhood linked to celiac disease in susceptible children  

A common intestinal virus, enterovirus, in early childhood may be a trigger for later celiac disease in children at increased genetic risk of the condition, finds a small study.

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2019-02-14 03:33:04



New molecules reverse memory loss linked to depression, aging  

New therapeutic molecules show promise in reversing the memory loss linked to depression and aging. These molecules not only rapidly improve symptoms, but remarkably, also appear to renew the underlying brain impairments causing memory loss in preclinical models.

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2019-02-14 03:26:33



The first walking robot that moves without GPS  

Desert ants are extraordinary solitary navigators. Researchers were inspired by these ants as they designed AntBot, the first walking robot that can explore its environment randomly and go home automatically, without GPS or mapping. This work opens up new strategies for navigation in autonomous vehicles and robotics.

what do you think?

2019-02-14 03:23:27



In disasters, Twitter influencers get out-tweeted  

A first-of-its-kind study on Twitter use during 5 of the costliest US natural disasters offers potentially life-saving insights. The research finds that Twitter users with small networks (100-200 followers) increase activity more than those with larger networks in these situations. It also finds that each disaster type (hurricanes, tornadoes, floods) has a unique pattern of social media use. The results have important implications for government and organizations responsible for emergency prepar

what do you think?

2019-02-14 03:17:44



Sustainable electronics manufacturing breakthrough  

Researchers are developing an eco-friendly, 3D printable solution for producing wireless Internet-of-Things (IoT) sensors that can be used and disposed of without contaminating the environment.

what do you think?

2019-02-14 02:58:12



Should we screen people for irregular heartbeat?  

Should we screen people for irregular heartbeat (known as atrial fibrillation, or AF for short) in an effort to prevent strokes?

what do you think?

2019-02-14 02:47:31



Bigger teams aren't always better in science and tech  

A new analysis of more than 65 million papers, patents and software projects found that smaller teams produce much more disruptive and innovative research than large teams, which more often develop and consolidate existing knowledge.

what do you think?

2019-02-14 02:26:34



Tick tock: Commitment readiness predicts relationship success  

New research shows how a person's readiness to commit predicts the success or failure of relationships.

what do you think?

2019-02-14 02:24:46






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