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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.



Next-gen insect repellents to combat mosquito-borne diseases  

Nearly 700 million people suffer from mosquito-borne diseases -- such as malaria, West Nile, Zika and dengue fever -- each year, resulting in more than 1 million deaths. Today, researchers report a new class of mosquito repellents based on naturally occurring compounds that are effective in repelling the bugs, including those that are resistant to pyrethroid insecticides and repellents.

what do you think?

2018-08-20 13:48:04



A new generation of artificial retinas based on 2D materials  

Scientists report they have successfully developed and tested the world's first ultrathin artificial retina that could vastly improve on existing implantable visualization technology for the blind. The flexible 2-D material-based device could someday restore sight to the millions of people with retinal diseases.

what do you think?

2018-08-20 13:22:03



Maple leaf extract could nip skin wrinkles in the bud  

Maple trees are best known for their maple syrup and lovely fall foliage. But it turns out that the beauty of those leaves could be skin-deep -- and that's a good thing. Today, scientists report that an extract from the leaves may prevent wrinkles.

what do you think?

2018-08-20 13:12:07



A GPS for inside your body  

Scientists have developed a system that can pinpoint the location of ingestible implants inside the body using low-power wireless signals.

what do you think?

2018-08-20 12:56:59



Helping surgical patients taper off opioids safely and successfully  

A unique pain program is helping complex surgical patients wean off opioids safely and effectively, while offering alternative ways to cope with their pain and improve how they function.

what do you think?

2018-08-20 12:24:20



Gene therapy vectors carrying the telomerase gene do not increase the risk of cancer  

Researchers have shown in a new study that the gene therapy with telomerase that they have developed, and which has proven to be effective in mice against diseases caused by excessive telomere shortening and ageing, does not cause cancer or increase the risk of developing it, even in a cancer-prone setting.

what do you think?

2018-08-20 12:18:56



Strawberries could help reduce harmful inflammation in the colon  

Inflammatory bowel disease is a set of painful conditions that can cause severe diarrhea and fatigue. Researchers are now reporting that a simple dietary intervention could mitigate colonic inflammation and improve gut health. In this case, a strawberry -- or rather, less than a cupful of strawberries -- a day could help keep the doctor away.

what do you think?

2018-08-20 12:14:32



Link between magnetic field strength and temperature  

Researchers recently discovered that the strength of the magnetic field required to elicit a particular quantum mechanical process corresponds to the temperature of the material. Based on this finding, scientists can determine a sample's temperature to a resolution of one cubic micron by measuring the field strength at which this effect occurs. Temperature sensing is integral in most industrial, electronic and chemical processes, so greater spatial resolution could benefit commercial and scienti

what do you think?

2018-08-20 12:06:56



DNA analysis of 6,500-year-old human remains with blue eye mutation  

Scientists have discovered that waves of migration from Anatolia and the Zagros mountains to the Levant helped develop the Chalcolithic culture that existed in Israel's Upper Galilee region some 6,500 years ago. "Certain characteristics, such as genetic mutations contributing to blue eye color, were not seen in the DNA test results of earlier Levantine human remains," according to one of the researchers.

what do you think?

2018-08-20 11:23:20



Proposal seeks to improve assessment of drug risks  

A drug policy researcher is proposing a suite of changes to overhaul the Multi-Criteria Drug Harm Scale, which informs drug policies across Europe. The changes focus on addressing use and abuse separately, collecting input from a broader range of stakeholders, and targeting substance-specific experts for drug review panels.

what do you think?

2018-08-20 10:29:08



Illicit drug use could be higher than previously thought; soars during special events  

America's drug problem may be even worse than officials realize. And illicit drugs are consumed at a higher rate during celebratory events. Those are just two of the conclusions scientists have drawn from recent studies of drug residues in sewage.

what do you think?

2018-08-20 09:31:42



New assay to detect genetic abnormalities in sarcomas outperforms conventional techniques  

A report describes a new assay, anchored multiplex PCR (AMP)-based targeted next-generation-sequencing (NGS), with superior diagnostic utility compared to conventional techniques. This includes the ability to analyze numerous target genes simultaneously and identify new fusion partners. In four cases, the assay diagnosed sarcoma in samples deemed falsely negative by conventional tests.

what do you think?

2018-08-20 09:30:31



New kind of aurora is not an aurora at all  

Thin ribbons of purple and white light that sometimes appear in the night sky were dubbed a new type of aurora when brought to scientists' attention in 2016. But new research suggests these mysterious streams of light are not an aurora at all but an entirely new celestial phenomenon.

what do you think?

2018-08-20 08:45:07



Beauty is simpler, and less special, than we realize  

Beauty, long studied by philosophers, and more recently by scientists, is simpler than we might think, psychology researchers have concluded in a new analysis.

what do you think?

2018-08-20 08:28:34



Taking the brain apart to put it all together again  

A new Organ Chip system linked a Brain Chip with two blood-brain barrier (BBB) Chips to recapitulate the interactions between the brain and its blood vessels. This system reacts to methamphetamine exposure just like a human brain, and has allowed scientists to make new discoveries about just how important our blood vessels are for our mental function.

what do you think?

2018-08-20 07:43:09



Saliva could influence taste preferences  

Saliva is crucial for tasting and digesting food. But scientists have now found that saliva could also be part of a feedback loop that influences how food tastes to people -- and by extension, what foods they're willing to eat. They hope that, one day, the findings could help consumers stick to a healthier diet.

what do you think?

2018-08-20 07:19:04



Simple score to diagnose heart attacks is safer, faster than current methods  

An international team of researchers has developed a simple laboratory score that is safer and faster at diagnosing patients who visit the emergency department with heart attack symptoms. The score can also identify patients at risk of subsequent heart issues after discharge.

what do you think?

2018-08-20 06:49:52



Near two million acres on fire in the United States  

The West Coast of the United States is shrouded in smoke from the 110 large fires (this does not include smaller fires within each complex of fires) that have erupted across the region during this fire season.

what do you think?

2018-08-20 06:28:04



Racial disparities in prescribing opioids for chronic pain  

Researchers have identified racial disparities in the treatment of patients who are prescribed opioids for chronic pain. Black patients who receive opioids long-term are more likely than whites to be tested for illicit drug use. Of those who test positive, blacks are more likely to have their opioid prescriptions discontinued, said the researchers.

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2018-08-20 06:11:41



Antidepressant restores youthful flexibility to aging inhibitory neurons in mice  

Inhibitory neurons in the aging brain show reduced growth and plasticity, likely contributing to declines in brain function. In a new study in mice researchers show that treatment with fluoxetine restored substantial growth and plasticity.

what do you think?

2018-08-20 06:09:29



New in­form­a­tion on brain areas linked to tact­ile sense and meta­cog­nit­ive abil­ity  

A new doctoral thesis gives information on the neural basis of the sense of touch. According to the results, magnetic stimulation of prefrontal cortex affected the subjects' performance in tactile tasks, and their ability to evaluate their performance in these tasks.

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2018-08-20 06:09:26



Stone tools reveal modern human-like gripping capabilities 500,000 years ago  

Research demonstrates that a technique used to produce stone tools that were first found half a million years ago is likely to have needed a modern human-like hand. This links a stone tool production technique known as 'platform preparation' to the biology of human hands, demonstrating that without the ability to perform highly forceful precision grips, our ancestors would not have been able to produce advanced stone tools like spear points.

what do you think?

2018-08-20 05:56:36



Techniques for reducing sugar content in dairy products show promise  

Dairy foods are popular among consumers, and sales gross more than $125 billion per year (IDFA, 2017). With dairy product popularity comes new demands from consumers for healthier, low-calorie products that taste the same as their higher calorie counterparts. Researchers now review the options available to the dairy industry to reduce sugar in products such as ice cream, yogurt, and flavored milk without sacrificing flavor.

what do you think?

2018-08-20 05:20:33



Consuming milk at breakfast lowers blood glucose throughout the day  

A change in breakfast routine may provide benefits for the management of type 2 diabetes, according to a new study. A team of scientists found that milk consumed with breakfast cereal reduced postprandial blood glucose concentration compared with water, and high dairy protein concentration reduced postprandial blood glucose concentration compared with normal dairy protein concentration. The high-protein treatment also reduced appetite after the second meal compared with the low-protein equivalen

what do you think?

2018-08-20 04:22:56



Teens today spend more time on digital media, less time reading  

If you can't remember the last time you saw a teenager reading a book, newspaper or magazine, you're not alone. In recent years, less than 20 percent of US teens report reading a book, magazine or newspaper daily for pleasure, while more than 80 percent say they use social media every day, according to new research.

what do you think?

2018-08-20 04:11:58



E-cigarettes can damage DNA  

The popularity of electronic cigarettes continues to grow worldwide, as many people view them as a safer alternative to smoking. But the long-term effects of e-cigarette usage, commonly called 'vaping,' are unknown. Today, researchers report that vaping may modify the genetic material, or DNA, in the oral cells of users, which could increase their cancer risk.

what do you think?

2018-08-20 03:55:04



Supercomputing simulations and machine learning help improve power plants  

Researchers are exploring how supercritical carbon dioxide could serve as a cleaner, safer, and more flexible working fluid in power plants than supercritical water by using supercomputing resources and machine learning.

what do you think?

2018-08-20 03:35:19



Light from ancient quasars helps confirm quantum entanglement  

New research boosts the case for quantum entanglement. Scientists have used distant quasars, one of which emitted its light 7.8 billion years ago and the other 12.2 billion years ago, to determine the measurements to be made on pairs of entangled photons. They found correlations among more than 30,000 pairs of photons -- far exceeding the limit for a classically based mechanism.

what do you think?

2018-08-20 03:26:33



Nice sunny days can grow into heat waves -- and wildfires: summer weather is stalling  

Stalling summer weather as we are experiencing right now in the Northern hemisphere can turn into 'extreme extremes' from heat to drought, from rain to flood.

what do you think?

2018-08-20 03:03:40



Teen tattoos: 1/2 of parents concerned about negative health effects, impact on employment  

78 percent of parents said they would 'absolutely not consider it' if their teen asked about a tattoo.

what do you think?

2018-08-20 02:29:10



New drug could prevent debilitating side effect of cancer treatment  

About 50,000 people in the US are diagnosed annually with head, neck, nasal and oral cancers. Most are treated with radiation, and of those, 70-80 percent develop a painful and debilitating side effect called severe oral mucositis. A new drug could potentially prevent the condition.

what do you think?

2018-08-20 02:24:41



The environmental cost of contact lenses  

Many people rely on contact lenses to improve their vision. But these sight-correcting devices don't last forever and they are eventually disposed of in various ways. Now, scientists are reporting that throwing these lenses down the drain at the end of their use could be contributing to microplastic pollution in waterways.

what do you think?

2018-08-20 01:49:53



Understanding urban issues through credit cards  

Digital traces from credit card and mobile phone usage can be used to map urban lifestyles and understand human mobility, according to a new report.

what do you think?

2018-08-20 01:41:18



Autonomous gene expression control nanodevice will contribute to medical care  

Researchers constructed integrated gene logic-chips called 'gene nanochips.' These self-contained nanochips can switch genes on or off according to the environment, where photo-reprogramming of the logic operation by UV irradiation is possible. Moreover, the researchers completed proof-of-concept experiments using artificial cells that produced the diagnostics and reactants (the desired RNA and protein) in a confined nanochip, suggesting the potential of autonomous nanochips in future medical pr

what do you think?

2018-08-20 01:35:52



Weaponizing oxygen to kill infections and disease  

The life-threatening bacteria MRSA can cripple a medical facility since it is resistant to treatment. But scientists report that they are now making advances in a new technique that avoids antibiotics, instead using light to activate oxygen, which wipes out bacteria. The method also could be used to treat other microbial infections, and possibly even cancer.

what do you think?

2018-08-19 19:59:25



A paper battery powered by bacteria  

In remote areas of the world, everyday items like electrical outlets and batteries are luxuries. Health care workers in these areas often lack electricity to power diagnostic devices, and commercial batteries may be too expensive. Today, researchers report a new type of battery -- made of paper and fueled by bacteria -- that could overcome these challenges.

what do you think?

2018-08-19 02:10:34



World's first-ever 4D printing for ceramics  

A ground-breaking advancement in materials research by successfully developing the world's first-ever 4D printing for ceramics, which are mechanically robust and can have complex shapes. This could turn a new page in the structural application of ceramics.

what do you think?

2018-08-18 12:37:24



Students more likely to eat school breakfast when given extra time, new study finds  

Using food weighting stations, the researchers collected information on the number of students who ate a school breakfast, how much they ate, and their exact nutritional intake.

what do you think?

2018-08-18 11:36:29



Perinatal hypoxia associated with long-term cerebellar learning deficits and Purkinje cell misfiring  

The type of hypoxia that occurs with preterm birth is associated with locomotor miscoordination and long-term cerebellar learning deficits but can be partially alleviated with an off-the-shelf medicine, according to a study using a preclinical model.

what do you think?

2018-08-18 10:36:40



Chemistry professor develops contaminant detection technique for heparin  

In 2008, a contaminant eluded the quality safeguards in the pharmaceutical industry and infiltrated a large portion of the supply of the popular blood thinner heparin, sickening hundreds and killing about 100 in the US.

what do you think?

2018-08-18 09:26:55



A valley so low: Electrons congregate in ways that could be useful to 'valleytronics'  

Researchers have made a finding that could help usher in new area of technology called 'valleytronics.' The study found that electrons in bismuth crystals prefer to collect in one valley rather than being distributed equally across valleys, setting up a type of electricity known as ferroelectricity.

what do you think?

2018-08-18 08:59:53



Acid coastal seas off US putting common fish species at risk  

Scientists have shown that coastal waters and river estuaries can exhibit unique vulnerabilities to acidification than offshore waters. This acidification, detected in waters off the United States West Coast and the Gulf of Mexico, can lead to disorientation and cognitive problems in some marine fish species, such as salmon, sharks, and cod.

what do you think?

2018-08-18 05:48:24



Making aquafeed more sustainable: Scientists develop feeds using a marine microalga co-product  

Scientists have created a more sustainable feed for aquaculture by using a marine microalga co-product as a feed ingredient. The study is the first of its kind to evaluate replacing fishmeal with a co-product in feed designed specifically for Nile tilapia.

what do you think?

2018-08-18 05:15:34



Water-worlds are common: Exoplanets may contain vast amounts of water  

Scientists have shown that water is likely to be a major component of those exoplanets (planets orbiting other stars) which are between two to four times the size of Earth. It will have implications for the search of life in our Galaxy.

what do you think?

2018-08-18 04:37:37



Insight into development of lung cancer  

Lung cancer results from effects of smoking along with multiple genetic components. A new study identifies two main pathways for the role of chromosome 15q25.1 -- a leader in increasing susceptibility to lung cancer -- in modifying disease risk. One pathway is implicated in nicotine dependence. The other plays a part in biological processes such as nutrient transfer and immune system function. The findings increase our understanding of lung cancer cause and development.

what do you think?

2018-08-18 02:44:27



Engineering team designs technology for smart materials  

With inspiration from squid ring teeth, a multidisciplinary team has invented a novel way to manufacture smart materials, including fabrics, that can regulate their own thermal properties.

what do you think?

2018-08-18 01:52:12



How an herbivore hijacks a nutrient uptake strategy of its host plant  

Maize plants release secondary metabolites into the soil that bind to iron and thereby facilitate its uptake by the plant. The Western corn rootworm (Diabrotica virgifera), the economically most important maize pest worldwide, is attracted by these complexes, extracts the bound iron from the maize plant and uses it for its own nutrition. With these insights, researchers provide a new explanation for the extraordinary success of the Western corn rootworm as a global maize pest.

what do you think?

2018-08-17 21:08:44



As body mass index increases, blood pressure may as well  

Body mass index is positively associated with blood pressure, according to the ongoing study of 1.7 million Chinese men and women.

what do you think?

2018-08-17 19:38:30



More efficient security for cloud-based machine learning  

A novel encryption method secures data used in online neural networks, without dramatically slowing their runtimes. This approach holds promise for using cloud-based neural networks for medical-image analysis and other applications that use sensitive data.

what do you think?

2018-08-17 18:27:43



Astronomers identify some of the oldest galaxies in the universe  

Astronomers have found evidence that the faintest satellite galaxies orbiting our own Milky Way galaxy are among the very first galaxies that formed in our universe.

what do you think?

2018-08-17 18:13:34



AI could make dodgy lip sync dubbing a thing of the past  

Researchers have developed a system using artificial intelligence that can edit the facial expressions of actors to accurately match dubbed voices, saving time and reducing costs for the film industry.

what do you think?

2018-08-17 16:21:29



Astronomers observe cosmic steam jets and molecules galore  

A team of scientists using the highest-frequency capabilities of the Atacama Large Millimeter/submillimeter Array (ALMA) has uncovered jets of warm water vapor streaming away from a newly forming star. The researchers also detected the 'fingerprints' of an astonishing assortment of molecules near this stellar nursery.

what do you think?

2018-08-17 16:09:32



A novel synthetic antibody enables conditional 'protein knockdown' in vertebrates  

Researchers have developed a novel synthetic antibody that paves the way for an improved functional analysis of proteins.

what do you think?

2018-08-17 15:04:11



Robots as tools and partners in rehabilitation  

Why trust should play a crucial part in the development of intelligent machines for medical therapies.

what do you think?

2018-08-17 14:44:47



Novel research optimizes both elasticity and rigidity in the same material without the usual tradeoffs  

In the world of materials, rigidity and elasticity are usually on opposite ends of the continuum. Typically, the more elastic a material, the less able it is to bear loads and resist forces. The more rigid it is, the more prone it is to rupture at lower strains when the load or force exceeds its capacity. A goal for many materials scientists is to create a material that brings together the best of both worlds.

what do you think?

2018-08-17 14:22:54



Scientists discover why silver clusters emit light  

Clusters of silver atoms captured in zeolites, a porous material with small channels and voids, have remarkable light emitting properties. They can be used for more efficient lighting applications as a substitute for LED and TL lamps. Until recently, scientists did not know exactly how and why these small particles emit light. An interdisciplinary team of physicists and chemists has now demonstrated for the first time where these properties originate. 

what do you think?

2018-08-17 14:19:40



Exploring the relationship between fever and cancer incidence  

In a new paper, researchers propose a mechanistic hypothesis that focuses on the potential impact infectious fever has on a particular subset of T cells, known as gamma/delta T cells.

what do you think?

2018-08-17 14:07:41



Like shark attacks and the lottery, unconscious bias influences cancer screening  

Study shows that doctors with personal experience of cancer are more likely to act against established guidelines to recommend that low-risk women receive ovarian cancer screening.

what do you think?

2018-08-17 13:53:35



Obesity, infertility and oxidative stress in mouse egg cells  

Proteomic analysis of oocytes from obese mice showed changes in a protein that promotes antioxidant production and may alter meiotic spindles.

what do you think?

2018-08-17 13:45:58



Why some people with brain markers of Alzheimer's have no dementia  

A new study has uncovered why some people that have brain markers of Alzheimer's disease (AD) never develop the classic dementia that others do. The results showed that resilient individuals had a unique synaptic protein signature that set them apart from both demented AD patients and normal subjects with no AD pathology.

what do you think?

2018-08-17 12:43:03



Harnessing energy from algae: Enzyme could help accelerate biofuel production  

Researchers have homed in on an enzyme belonging to the glycerol-3-phosphate acyltransferase (GPAT) family as a promising target for increasing biofuel production from the red alga Cyanidioschyzon merolae.

what do you think?

2018-08-17 12:26:30



Color effects from transparent 3D printed nanostructures  

Structural coloration means that the microstructure of an object causes various colors to appear. For industry, this is an attractive alternative to coloring with pigments. But so far, scientists had primarily experimented with nanostructures observed in nature, or with simple, regular designs. Computer scientists now take a different, innovative approach: their tool automatically creates 3D print templates for nanostructures for user-defined colors, and their structures do not follow any partic

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2018-08-17 12:18:48



Study confirms truth behind 'Darwin's moth'  

Scientists have revisited -- and confirmed -- one of the most famous textbook examples of evolution in action.

what do you think?

2018-08-17 12:13:32



Protecting the power grid: Advanced plasma switch for more efficient transmission  

Article describes research to design an advanced and cost-effective power switch to protect the US electric grid.

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2018-08-17 12:03:38



Moderate carbohydrate intake may be best for health, study suggests  

A new study has found that diets both low and high in carbohydrates were linked with an increase in mortality, while moderate consumers of carbohydrates had the lowest risk of mortality. The study also found that low-carb diets that replace carbohydrates with proteins and fats from plant sources were associated with lower risk of mortality compared to those that replace carbohydrates with proteins and fat from animal sources.

what do you think?

2018-08-17 11:28:51



New approach to fight tuberculosis, a leading cause of death worldwide  

A group of researchers used a systematic approach to get an entirely new look at the way tuberculosis infects people. Their study uncovered interactions between tuberculosis and human proteins that could provide new approaches to combat infection.

what do you think?

2018-08-17 11:25:31



Automated detection of focal epileptic seizures in a sentinel area of the human brain  

In a first-in-humans pilot study, researchers have identified a sentinel area of the brain that may give an early warning before clinical seizure manifestations from focal epilepsy appear. They have also validated an algorithm that can automatically detect that early warning. These two findings offer the possibility of squelching a focal epilepsy seizure -- before the patient feels any symptoms -- through neurostimulation of the sentinel area of the brain.

what do you think?

2018-08-17 10:54:13



Quantum material is promising 'ion conductor' for research, new technologies  

Researchers have shown how to shuttle lithium ions back and forth into the crystal structure of a quantum material, representing a new avenue for research and potential applications in batteries, 'smart windows' and brain-inspired computers containing artificial synapses.

what do you think?

2018-08-17 10:46:44



Autoimmunity plays role in development of COPD  

Autoimmunity plays a role in the development of chronic obstructive pulmonary disease (COPD), according to a new study that analyzed human genome information.

what do you think?

2018-08-17 10:34:27



Scientists create new technology and solve a key puzzle for cellular memory  

With a new groundbreaking technique, researchers have managed to identify a protein that is responsible for cellular memory being transmitted when cells divide. The finding is crucial for understanding development from one cell to a whole body.

what do you think?

2018-08-17 10:30:10



More protein after weight loss may reduce fatty liver disease  

Increasing the amount of protein in the diet may reduce the liver's fat content and lower the risk of diabetes in people with nonalcoholic fatty liver disease (NAFLD).

what do you think?

2018-08-17 10:09:25



Novel nanoparticle-based approach detects and treats oral plaque without drugs  

When the good and bad bacteria in our mouth become imbalanced, the bad bacteria form a biofilm (aka plaque), which can cause cavities, and if left untreated over time, can lead to cardiovascular and other inflammatory diseases like diabetes and bacterial pneumonia. A team of researchers has recently devised a practical nanotechnology-based method for detecting and treating the harmful bacteria that cause plaque and lead to tooth decay and other detrimental conditions.

what do you think?

2018-08-17 09:30:21



Low bandwidth? Use more colors at once  

As researchers engineer solutions for eventually replacing electronics with photonics, one team team has simplified the manufacturing process that allows utilizing multiple colors at the same time on an electronic chip instead of a single color at a time.

what do you think?

2018-08-17 08:09:39



HIV and a tale of a few cities  

In a pair of new modeling studies, researchers examined how policy reform in terms of drug decriminalization (in Mexico) and access to drug treatment (in Russia) might affect two regions hard hit by the HIV pandemic: Tijuana, Mexico and the Russian cities of Omsk and Ekaterinburg.

what do you think?

2018-08-17 07:47:59



Taking a closer look at unevenly charged biomolecules  

Clinicians most often monitor antibodies because these small proteins attach to antigens, or foreign substances, we face every day. Most biomolecules, however, have complicated charge characteristics, and the sensor response from conventional carbon nanotube systems can be erratic. A team recently revealed how these systems work and proposed changes to dramatically improve biomolecule detection.

what do you think?

2018-08-17 07:07:36



Cells agree: What doesn't kill you makes you stronger  

Brief exposures to stressors can be beneficial by prompting cells to trigger sustained production of antioxidants, molecules that help get rid of toxic cellular buildup related to normal metabolism -- findings with potential relevance for age-related diseases like cancer, Alzheimer's and heart disease.

what do you think?

2018-08-17 07:03:17



Energy-efficient spin current can be controlled by magnetic field and temperature  

Up to now, electronic computer components have been run on electricity, generating unwanted heat. If spin current were employed instead, computers and similar devices could be operated in a much more energy-efficient manner. Researchers have now discovered an effect that could make such a transition to spin current a reality.

what do you think?

2018-08-17 07:02:09



Tibetan sheep highly susceptible to human plague, originates from marmots  

In the Qinghai-Tibet plateau, one of the region's highest risk areas for human plague, Himalayan marmots are the primary carriers of the infectious bacterium Y. pestis. Y. pestis infection can be transmitted to humans and other animals by the marmots' parasitic fleas. Researchers determine that Tibetan sheep, who make up about one-third of China's total sheep population, also carry this disease and can transmit it to humans.

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2018-08-17 06:41:05



Chemists find a surprisingly simple reaction to make a family of bioactive molecules  

Many natural products and drugs feature a so-called dicarbonyl motif -- in certain cases however their preparation poses a challange to organic chemists. In their most recent work, chemists present a new route for these molecules. They use oxidized sulfur compounds even though sulfur is not included in the final product.

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2018-08-17 06:35:04



Three factors could explain physician burnout in the US  

In just three years, physician burnout increased from 45.5 percent to 54.4 percent, according to a new article. They offer three factors that they say contribute to this burnout.

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2018-08-17 06:05:37



16 going on 66: Will you be the same person 50 years from now?  

From 16 to 66 your personality will change and over time you will generally become more emotionally stable. But don't compare yourself to others; those who are the most emotionally stable when young are probably going to continue being the most stable as they age.

what do you think?

2018-08-17 05:47:15



Ants, acorns and climate change  

The relatively swift adaptability of tiny, acorn-dwelling ants to warmer environments could help scientists predict how other species might evolve in the crucible of global climate change, according to biologists.

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2018-08-17 05:33:03



Whole blood test for toxoplasmosis is sensitive, specific  

Transmission of toxoplasmosis from mother to fetus can lead to severe congenital problems and fetal death, and tests for the parasitic infection during pregnancy are critical. Now, researchers have showed the efficacy of a low-cost whole blood test for toxoplasmosis.

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2018-08-17 05:31:32



Microfossils, possibly world's oldest, had biological characteristics  

Scientists have confirmed that the 3.4-billion-year-old Strelley Pool microfossils had chemical characteristics similar to modern bacteria. This all but confirms their biological origin and ranks them amongs the world's oldest microfossils.

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2018-08-17 05:24:18



Invasive plants: Scientists examine the relative impact of proximity to seed sources  

A new study tackles an important, unresolved question in the biology of invasive plants. Which is most important to the establishment of new invasive communities -- proximity to seed sources, canopy disturbance, or soil disturbance?

what do you think?

2018-08-17 05:02:27



New way to grow blood vessels developed  

Formation of new blood vessels, a process also known as angiogenesis, is one of the major clinical challenges in wound healing and tissue implants. To address this issue, researchers have developed a clay-based platform to deliver therapeutic proteins to the body to assist with the formation of blood vessels.

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2018-08-17 03:34:25



Dominant men make decisions faster  

Men who exhibit high social dominance make faster decisions than low-dominance men even outside a social context, finds a large behavioral study.

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2018-08-17 02:51:53



99-million-year-old beetle trapped in amber served as pollinator to evergreen cycads  

Flowering plants are well known for their special relationship to the insects and other animals that serve as their pollinators. But, before the rise of angiosperms, another group of unusual evergreen gymnosperms, known as cycads, may have been the first insect-pollinated plants. Now, researchers have uncovered the earliest definitive fossil evidence of that intimate relationship between cycads and insects.

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2018-08-17 02:50:56



Physicists fight laser chaos with quantum chaos to improve laser performance  

To tame chaos in powerful semiconductor lasers, which causes instabilities, scientists have introduced another kind of chaos.

what do you think?

2018-08-17 02:45:18



Particulate pollution's impact varies greatly depending on where it originated  

Aerosols are tiny particles that are spewed into the atmosphere by human activities, including burning coal and wood. They have negative effects on air quality -- damaging human health and agricultural productivity. New research demonstrates that the impact these fine particles have on the climate varies greatly depending on where they were released.

what do you think?

2018-08-17 01:36:54



Statins associated with improvement of rare lung disease  

Researchers have found that cholesterol-lowering statins may improve the conditions of people with a rare lung disease called autoimmune pulmonary alveolar proteinosis. The research also suggested that two new tests could help diagnose the condition.

what do you think?

2018-08-17 01:11:40



Cardiovascular disease related to type 2 diabetes can be reduced significantly  

Properly composed treatment and refraining from cigarette consumption can significantly reduce the risk of cardiovascular disease resulting from type 2 diabetes, according to a new study. In some cases, the increased risks could theoretically be eliminated.

what do you think?

2018-08-16 20:49:16



Twisted electronics open the door to tunable 2-D materials  

Researchers report an advance that may revolutionize the field of 2-D materials such as graphene: a 'twistronic' device whose characteristics can be varied by simply varying the angle between two different 2-D layers placed on top of one another. The device provides unprecedented control over the angular orientation in twisted-layer devices, and enables researchers to study the effects of twist angle on electronic, optical, and mechanical properties in a single device.

what do you think?

2018-08-16 20:01:21



Trigger, target, trigger: Scientists explore controlled carbon monoxide release  

Scientists have developed flavonoid-based, organic carbon monoxide-releasing molecules that exhibit CO release only when triggered by visible light. Using fluorescence microscopy, the researchers demonstrate targeted CO delivery by the photoCORMs to human lung cancer cells, as well as the ability of the molecules to produce anti-inflammatory effects.

what do you think?

2018-08-16 19:50:38



Human wastewater valuable to global agriculture, economics  

It may seem off-putting to some, but human waste is full of nutrients that can be recycled into valuable products that could promote agricultural sustainability and better economic independence for some developing countries, says a new study.

what do you think?

2018-08-16 19:36:24



Bird communities dwindle on New Mexico's Pajarito Plateau  

Researchers have found declines in the number and diversity of bird populations at nine sites surveyed in northern New Mexico, where eight species vanished over time while others had considerably dropped.

what do you think?

2018-08-16 19:19:54



Retinoic acid may improve immune response against melanoma  

Clinical trial results describe a promising strategy to remove one of melanoma's most powerful defenses: By adding retinoic acid to standard-of-care treatment, researchers were able to turn off myeloid-derived suppressor cells (MDSCs) that turn off the immune system, leading to more immune system activity directed at melanoma.

what do you think?

2018-08-16 18:21:10



How people use, and lose, preexisting biases to make decisions  

From love and politics to health and finances, humans can sometimes make decisions that appear irrational, or dictated by an existing bias or belief. But a new study uncovers a surprisingly rational feature of the human brain: a previously held bias can be set aside so that the brain can apply logical, mathematical reasoning to the decision at hand.

what do you think?

2018-08-16 17:56:18



'Abrupt thaw' of permafrost beneath lakes could significantly affect climate change models  

Methane released by thawing permafrost from some Arctic lakes could significantly accelerate climate change, according to a new study. Unlike shallow, gradual thawing of terrestrial permafrost, the abrupt thaw beneath thermokarst lakes is irreversible this century. Even climate models that project only moderate warming this century will have to factor in their emissions, according to the researchers.

what do you think?

2018-08-16 17:41:04



Previously grainy wheat genome comes into focus  

An international consortium has completed the sequence of wheat's colossal genome.

what do you think?

2018-08-16 17:24:34






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