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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.



Hearing loss is a risk factor for premature death  

A new study links hearing loss with an increased risk for mortality before the age of 75 due to cardiovascular disease. Researchers found that mortality among those with hearing loss is elevated, particularly among men and women younger than age 75 and those who are divorced or separated. However, mortality risk was diminished in adults with a well-hearing partner. This is the first study to investigate the combined effects of hearing loss with partnership, parental status, and increased mortali

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2018-12-12 12:19:11



Gut hormone increases response to food  

The holiday season is a hard one for anyone watching their weight. The sights and smells of food are hard to resist. One factor in this hunger response is a hormone found in the stomach that makes us more vulnerable to tasty food smells, encouraging overeating and obesity.

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2018-12-12 12:19:07



Killing the liver-stage malaria parasite with baculovirus: a drug discovery approach  

Currently, few antimalarial treatments exist that effectively kill liver-stage malaria parasite Plasmodium vivax, which can lay dormant for months or even years. Researchers have reported a new drug that could eliminate liver-stage malaria parasites completely. Using an insect virus, known as a baculovirus, the researchers investigated the ability of baculovirus to mediate innate immunity against malaria infection. This work could pave the way for developing new and more effective antimalarial t

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2018-12-12 10:46:42



Deep-learning technique reveals 'invisible' objects in the dark  

Small imperfections in a wine glass or tiny creases in a contact lens can be tricky to make out, even in good light. In almost total darkness, images of such transparent features or objects are nearly impossible to decipher. But now, engineers have developed a technique that can reveal these "invisible" objects, in the dark.

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2018-12-12 10:46:39



Marketing: Putting a price on reputation  

As Christmas shopping gets into full swing, new research reveals how reputation influences our purchasing decisions and the price we are willing to pay relative to other product features.

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2018-12-12 10:46:35



Fighting obesity: Could it be as plain as dirt?  

It costs the global economy an estimated US $2 trillion annually and has been dubbed a modern day health epidemic, but new research has unearthed a possible cure for obesity -- and it is as plain as dirt!

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2018-12-12 10:46:32



The stiffest porous lightweight materials ever  

Researchers have developed and manufactured a family of architectures that maximizes the stiffness of porous lightweight materials. It's practically impossible to develop stiffer designs.

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2018-12-12 10:46:28



Light-induced modification of a carboxylic acid with an aminocyclopropenone  

Researchers report that carboxylic acids, functional groups contained in biomolecules, drugs, and materials can be readily modified by light-induced organic reactions using an aminocyclopropenone. This discovery opens up new pathways for carboxylic acid modification with potential applications including determination of drug target proteins, elucidation of protein function, and synthesis of functionalized polymer materials.

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2018-12-12 10:46:21



New foldable drone flies through narrow holes in rescue missions  

A research team has developed a new drone that can retract its propeller arms in flight and make itself small to fit through narrow gaps and holes. This is particularly useful when searching for victims of natural disasters.

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2018-12-12 10:46:18



Researchers reverse engineer way pine trees produce green chemicals worth billions  

Researchers have reverse engineered the way a pine tree produces a resin, which could serve as an environmentally friendly alternative to a range of fossil-fuel based products worth billions of dollars.

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2018-12-12 10:46:16



Development of world's first vertical Ga2O3 transistor through ion implantation doping  

Researchers at the National Institute of Information and Communications Technology (NICT) and Tokyo University of Agriculture and Technology (TUAT) demonstrate a vertical Ga2O3 metal-oxide-semiconductor field-effect transistor (MOSFET) that adopts an all-ion-implanted process for both n-type and p-type doping, paving the way for new generations of low-cost and highly-manufacturable Ga2O3 power electronic devices.

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2018-12-12 10:46:07



New method for studying ALS more effectively  

The neurodegenerative disease ALS causes motor neuron death and paralysis. However, long before the cells die, they lose contact with the muscles as their axons atrophy. Researchers have now devised a new method that radically improves the ability to study axons and thus to better understand the pathological development of ALS.

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2018-12-12 10:46:01



New model in the fight against African swine fever  

The European Food Safety Authority (EFSA) has published a new scientific report on the current status of the spread of African swine fever within the EU. The report describes, among other things, which management measures EU member states should take if an isolated outbreak of the virus infection occurs, i.e. if it is detected far away from the current spread.

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2018-12-12 09:33:30



Your weight history may predict your heart failure risk  

In a medical records analysis of information gathered on more than 6,000 people, researchers conclude that simply asking older adult patients about their weight history at ages 20 and 40 could provide real value to clinicians in their efforts to predict patients' future risk of heart failure, heart attacks or strokes.

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2018-12-12 09:33:27



'Eavesdropping' on groupers' mating calls key to survival  

Many fish produce sounds for courtship and mating, navigation, and defending their territories. Scientists analyze these sounds to study their behavior such as reproduction. Since grouper spawning is brief and it takes them a long time to reach sexual maturity, they are vulnerable to overfishing. 'Eavesdropping' on them is key to their survival. Researchers have developed a novel acoustic monitoring technique to classify grouper species by their sounds or 'grouper calls,' with accuracy of about

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2018-12-12 09:33:23



Declining snowpack over Western US mapped at a finer scale  

Researchers mapped the changes in snow mass from 1982 to 2016 onto a grid of squares 2.5-miles on a side over the entire contiguous U.S. Grid size for previous studies was about 40 miles on a side. Since 1982, some parts of the West have a 41 percent reduction in the yearly maximum mass of snow.

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2018-12-12 09:33:20



Secrets of iron storage in algae  

New research shows that phytoplankton iron storage strategies may determine which species thrive in changing oceans and impact marine food webs, according to a recent article. The research examined two primary methods of iron storage and found that one makes species more resilient against shortages of the rare and essential element.

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2018-12-12 09:33:17



Buzz! Slap! Ow! Taking the virus out of a mosquito's bite  

They approach with the telltale sign -- a high-pitched whine. It's a warning that you are a mosquito's next meal. But that mosquito might carry a virus, and now the virus is in you. Now, with the help of state-of-the-art technology, researchers can see how a virus moves within a mosquito's body, which could lead to the prevention of mosquitoes transmitting diseases.

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2018-12-12 09:33:14



Developing brains of premature babies benefit from caffeine therapy  

New research shows early caffeine treatment of premature babies born less than 29 weeks' gestation has no long-term negative effects on brain development.

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2018-12-12 09:33:11



How plants can generate electricity to power LED light bulbs  

Researchers have discovered that living plants are literally 'green' power source: they can generate, by a single leaf, more than 150 Volts, enough to simultaneously power 100 LED light bulbs. Researchers also showed that an 'hybrid tree' made of natural and artificial leaves can act as an innovative 'green' electrical generator converting wind into electricity.

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2018-12-12 09:33:08



Maintaining the unlimited potential of stem cells  

Scientists have discovered a new protein complex that keeps the brakes on stem cells, allowing them to maintain their indefinite potential. The new complex, called GBAF, could provide a future target for regenerative medicine.

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2018-12-12 09:33:05



Attention, please! Anticipation of touch takes focus, executive skills  

A study examines what happens in children's brains when they anticipate a touch to the hand, and relates this brain activity to the executive functions the child demonstrates on other mental tasks.

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2018-12-12 09:33:02



Improved understanding of the pathology of dwarfism may lead to new treatment targets  

Pseudoachondroplasia (PSACH) is a severe inherited dwarfing condition In PSACH, a genetic mutation leads to abnormal retention of cartilage oligomeric matrix protein (COMP) within the endoplasmic reticulum (ER) of cartilage-producing cells (chondrocytes), which interferes with function and cell viability. Investigators describe how this protein accumulation results in 'ER stress' and initiates a host of pathologic changes. These findings may open up new ways to treat PSACH and other ER-stress-re

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2018-12-12 08:20:30



Researchers developing nonopioid drug for chronic pain  

Researchers are developing a drug -- now in its earliest stages -- that can treat certain types of chronic pain without the addictive consequences of opioids.

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2018-12-12 08:20:24



Faster, cheaper test can help predict risk of metastasis in prostate cancer patients  

A report describes a new assay to assess copy number alterations that is cheaper, faster, reproducible, and requires less tissue than other diagnostic techniques and has the potential to significantly enhance prostate cancer evaluation.

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2018-12-12 07:18:08



Fire's effects on soil moisture, runoff  

The 2011 Las Conchas mega-fire in New Mexico burned more than 150,000 acres and threatened the Los Alamos National Laboratory. Now, using data from the fire, researchers have created an experimental model that will help us better understand the interactions of fire and water in the soil.

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2018-12-12 07:18:03



College textbooks largely overlook the most common animals  

A recent study of textbooks aimed at introductory biology courses finds that they devote less than one percent of their text to discussing insects, which make up more than 60 percent of animal species. The study authors argue that this provides a poor foundation for understanding ecosystems, biodiversity, and other core aspects of biological research.

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2018-12-12 07:17:51



Novel technique may significantly reduce breast biopsies  

A novel technique that uses mammography to determine the biological tissue composition of a tumor could help reduce unnecessary breast biopsies, according to a new study.

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2018-12-11 19:21:53



Sun-soaking device turns water into superheated steam  

Engineers have built a device that soaks up enough heat from the sun to boil water and produce 'superheated' steam hotter than 100 degrees Celsius, without any expensive optics.

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2018-12-11 19:21:50



Dracula ants possess fastest known animal appendage: The snap-jaw  

Move over, trap-jaw ants and mantis shrimp: There's a faster appendage in town. According to a new study, the Dracula ant, Mystrium camillae, can snap its mandibles at speeds of up to 90 meters per second (more than 200 mph), making it the fastest animal movement on record.

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2018-12-11 19:21:43



New review of scientific studies confirms food cravings can be reduced  

Food craving, the intense desire to eat certain foods, can sabotage efforts to maintain healthy eating habits and body weight, no matter the time of year. However, an examination of 28 current peer-reviewed scientific studies largely substantiates findings that changes in diet, prescription medications, physical activity and bariatric surgery reduce craving.

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2018-12-11 19:00:21



New models sense human trust in smart machines  

New 'classification models' sense how well humans trust intelligent machines they collaborate with, a step toward improving the quality of interactions and teamwork.

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2018-12-11 19:00:18



Workplace exposure to pesticides and metals linked to heightened heart disease risk  

Workplace exposure to metals and pesticides is linked to a heightened risk of heart disease in Hispanic and Latino workers, reveals new research.

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2018-12-11 19:00:08



Trying to get people to agree? Skip the French restaurant and go out for Chinese food  

When people in a business negotiation share not just a meal but a plate, they collaborate better and reach deals faster, according to new research.

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2018-12-11 16:32:27



Taming turbulence: Seeking to make complex simulations a breeze  

Previously intractable problems for designing fusion experiments, improving weather models, and understanding astrophysical phenomena such as star formation will be more easily addressed without the need for expensive supercomputers using a new model.

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2018-12-11 16:15:22



Disruption of circadian rhythm as risk factor for diseases  

Scientists report a time-keeping mechanism in liver cells that helps sustain key organ tasks can contribute to diseases when its natural rhythm is disrupted.

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2018-12-11 16:15:19



Are you stressed? Your eyes may provide a window into your mental workload  

With nearly breakneck speed, the demands of work productivity in today's society seem to have increased tenfold. Enter multitasking as a way to cope with the insistence that tasks be completed almost immediately. Previous studies on workload and productivity include physical aspects, such as how much a person walks or carries, but they do not take into account a person's state of mind. Now, researchers have discovered a person's eyes may offer a solution.

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2018-12-11 15:06:39



What social stress in monkeys can tell us about human health  

A new study examines one key stress-inducing circumstance -- the effects of social hierarchy -- and how cells respond to the hormones that are released in response to that stress.

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2018-12-11 14:46:48



Hypoxic dead zones found in urban streams, not just at the coast  

A new study finds that hypoxic dead zones occur in nutrient-laden urban streams, not just in coastal waters. The research shows that intense storm flows can erode some stream channels to become a series of pools that trap nutrient-laden runoff. The elevated nutrient levels in the water spur greater consumption of dissolved oxygen by bacteria, causing the pools to become hypoxic until the next storm flushes them out.

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2018-12-11 14:46:44



Guidelines for the therapeutic use of melatonin  

Professors discuss the general criteria to be considered when prescribing the pineal hormone as a health supplement. The guidelines will help health professionals to analyze, understand and interpret the effects of melatonin.

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2018-12-11 13:33:20



Historic earthquakes test Indonesia's seismic hazard assessment  

Using data gleaned from historical reports, researchers have now identified the sources of some of the most destructive Indonesian earthquakes in Java, Bali and Nusa Tenggara, using these data to independently test how well Indonesia's 2010 and 2017 seismic hazard assessments perform in predicting damaging ground motion.

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2018-12-11 13:33:17



Stop sterilizing your dust  

A new study has found that an antimicrobial chemical called triclosan is abundant in dust -- and linked to changes in its genetic makeup. The result is dust with organisms that could cause an antibiotic-resistant infection.

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2018-12-11 13:33:14



Stronger pesticide regulations likely needed to protect all bee species, say studies  

Regulators worldwide currently use honeybees as the sole model species failing to account for potential threats posed by agrochemicals to the full diversity of bee species from bumblebees to solitary bees, which are probably more important for pollination of food crops than managed honeybees. They are potentially more vulnerable to pesticides given they nest in the ground and bumblebee queens have different life cycles that could increase exposure.

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2018-12-11 12:25:01



Employee incentives can lead to unethical behavior in the workplace  

Findings suggest that setting compensation goals can increase dishonesty when managers are also paid a bonus for hitting certain targets.

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2018-12-11 12:24:56



A future for red wolves may be found on Galveston Island, Texas  

Red wolves, once nearly extinct, again teeter on the abyss. New research finds red wolf ancestry in Texas -- providing opportunities for additional conservation action and difficult policy challenges. Researchers have identified red wolf ''ghost alleles'' in canid population on Galveston Island.

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2018-12-11 12:24:49



Gut microbiome may affect some anti-diabetes drugs  

Why do orally-administered drugs for diabetes work for some people but not others? According to researchers, bacteria that make up the gut microbiome may be the culprit.

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2018-12-11 12:24:45



Alaska earthquakes offer new insight into improving hazard assessment  

Earthquake hazard assessment often overlooks intra-slab earthquakes. EarthScope Transportable Array data for the 2016 Iniskin and Nov. 30, 2018 Anchorage earthquakes in Alaska offer new insight into potential causes of heavy shaking from these intra-slab events.

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2018-12-11 12:24:42



Shape-shifting cell breakthrough  

A new computational model gives a clearer picture of the structure and mechanics of soft, shape-changing cells that could provide a better understanding of cancerous tumor growth, wound healing, and embryonic development.

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2018-12-11 12:24:39



Internet therapy apps reduce depression symptoms  

In a sweeping new study, psychologists have found that a series of self-guided, internet-based therapy platforms effectively reduce depression.

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2018-12-11 12:24:36



New discoveries predict ability to forecast dementia from single molecule  

Scientists who recently identified the molecular start of Alzheimer's disease have used that finding to determine that it should be possible to forecast which type of dementia will develop over time -- a form of personalized medicine for neurodegenerative diseases.

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2018-12-11 12:24:33



Warming, sea-ice loss: Arctic Report Card tracks region's environmental changes  

NOAA's annual report card on the Arctic, released today, shows that the Arctic region experienced the second-warmest air temperatures ever recorded; the second-lowest overall sea-ice coverage; lowest recorded winter ice in the Bering Sea; and earlier plankton blooms due to early melting of sea ice in the Bering Sea.

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2018-12-11 12:11:07



Degrading permafrost puts Arctic infrastructure at risk by mid-century  

Seventy percent of the current infrastructure in the Arctic has a high potential to be affected by thawing permafrost in the next 30 years. Even meeting the climate change targets of the Paris Agreement will not substantially reduce those projected impacts, according to a new study.

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2018-12-11 11:30:30



How returning to a prior context briefly heightens memory recall  

Returning to the context where a memory was formed temporarily brings back vivid details of the episode by increasing the electrical excitability of the engrams that store the memory in the brain, a new study shows.

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2018-12-11 11:30:27



Lethal combination: Drug cocktail turns off the juice to cancer cells  

A widely used diabetes medication combined with an antihypertensive drug specifically inhibits tumor growth - this was discovered by researchers two years ago. In a follow-up study, scientists report that this drug cocktail induces cancer cell death by switching off their energy supply.

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2018-12-11 11:30:24



Perovskite solar cells: cheaper production and high efficiency  

A team of chemists and physicists is offering a novel approach for the selective layer formation in perovskite solar cells. The molecule assembles itself into a monolayer, which can cover a variety of surfaces and can function as a hole transporting material in a perovskite solar cell.

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2018-12-11 11:30:20



Transformed: The plant whose sex life fascinated Charles Darwin  

Researchers have genetically transformed the Common Primrose (Primula vulgaris) for the first time in a development that could shed light on one of the plant world's most renowned reproductive systems.

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2018-12-11 11:30:15



Custom-made artificial mother-of-pearl  

Researchers developed an imitation comparable to mother-of-pearl, the physical properties of which can be specifically adjusted.

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2018-12-11 11:30:13



Parents, kids spend more time discussing how to use mobile technology than talking about content  

Most parents would agree that one of the of the biggest modern parenting challenges is monitoring a child's online activity.

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2018-12-11 11:30:11



New tool for understanding enzymes -- Google  

Chemistry professors used the Google algorithm PageRank to identify key amino acids in the regulation of a bacterial enzyme essential for most microorganisms.

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2018-12-11 11:30:08



Hong Kong's waters benefit health and wellbeing  

A ground-breaking study has revealed how spending time in and around Hong Kong's 'blue spaces' (harbors, coastlines and beaches) is linked to better health and wellbeing, especially for older adults.

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2018-12-11 11:30:06



52 million tree stories more accessible to science  

The world's primary archive of tree ring data, which holds more than 52 million cost-free records spanning 8,000 years of history, has gotten a makeover by scientists from four countries committed to making science more accessible.   The International Tree Ring Data Bank, developed in 1974 and populated by hundreds of contributing scientists and agencies, had only been used for a handful of studies at a global scale due to inconsistent data accessibility and formatting.

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2018-12-11 11:29:58



How skin cells protect themselves against stress  

Cell biologists have developed a new method for measuring how mechanical forces in cells are processed.

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2018-12-11 11:29:52



Chemical engineers develop new theory to build improved nanomaterials  

Researchers have developed a new theory to better predict how nanoclusters will behave when a given metal is introduced to their structure.

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2018-12-11 11:29:46



Unique immune cell likely drives chronic inflammation  

For the first time, researchers have identified that an immune cell subset called gamma delta T cells that may be causing and/or perpetuating the systemic inflammation found in normal aging in the general geriatric population and in HIV-infected people who are responding well to drugs (anti-retrovirals).

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2018-12-11 11:29:44



Did supernovae kill off large ocean animals at dawn of Pleistocene?  

The effects of a supernova -- and possibly more than one -- on large ocean life like school-bus-sized Megalodon 2.6 million years ago are detailed in a new article.

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2018-12-11 11:29:41



Terahertz laser for sensing and imaging outperforms its predecessors  

A new terahertz laser is the first to reach three key performance goals at once -- high constant power, tight beam pattern, and broad electric frequency tuning -- and could thus be valuable for a wide range of applications in chemical sensing and imaging.

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2018-12-11 11:29:36



Taking uncertainty out of cancer prognosis  

An analysis of nearly 20,000 cancer patient histories and genetic data has revealed that knowing the genetic cause of a cancer does not help predict how deadly the disease will be. Instead, researchers have discovered that copy number variations in specific gene sites are far more informative, providing new opportunities to improve prognosis.

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2018-12-11 11:29:31



Possible connection between cardiovascular disease and living near oil and gas wells  

Researchers have found a possible connection between the intensity of oil and gas exploration in an area and early indicators of cardiovascular disease among nearby residents.

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2018-12-11 11:29:28



Better biomedical devices, wearable displays may result from tiny light-guiding structures  

For the first time, researchers have fabricated light-guiding structures known as waveguides just over one micron wide in a clear silicone commonly used for biomedical applications. The tiny, flexible waveguides can be used to make light-based devices such as biomedical sensors and endoscopes that are smaller and more complex than currently possible.

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2018-12-11 11:29:26



Relationship impairments hinder men seeking mental health treatment  

Relationship impairment (difficulty managing expectations and requirements within an intimate relationship) plays a role in explaining the association between symptom severity and those seeking treatment among post-9/11 military veterans. However, the role it plays is different for men and women.

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2018-12-11 11:29:23



A correlation between obesity and income has only developed in the past 30 years  

It is well known that poorer Americans are more likely to be obese or suffer from diabetes; there is a strong negative correlation between household income and both obesity and diabetes. This negative correlation, however, has only developed in the past 30 years, according to researchers. Since 1990, the rise of obesity and diabetes was fastest among the poorest US regions.

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2018-12-11 10:31:39



Can social interactions affect spread of disease?  

Researchers draw connections between people's social activity and the spread of epidemics through a mathematical model.

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2018-12-11 10:31:36



Researchers identify additional mechanisms at play in insecticide resistance  

Researchers have used a bioinformatics approach to integrate information from multiple studies on insecticide resistance in mosquitoes and uncovered a number of important resistance mechanisms that had not previously been recognized.

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2018-12-11 10:31:29



How catnip makes the chemical that causes cats to go crazy  

Researchers have shed light on how catnip -- also known as catmint -- produces the chemical that sends cats into a state of wanton abandon.

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2018-12-11 10:31:25



Improved treatment of anxiety disorders  

Traumatic experiences can become deeply entrenched in a person's memory. How can fears following a traumatic event be reduced in the long term and prevented from becoming a permanent stress-related disorder? Researchers have recently shed new light on these questions.

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2018-12-11 10:31:22



New understanding of mysterious 'hereditary swelling'  

For the first time ever, biomedical researchers have unveiled cellular defects that lead to the rare disease hereditary angioedema (HAE), where patients experience recurrent episodes of swelling that requires immediate treatment. This new understanding is an important step towards gene therapy for patients.

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2018-12-11 10:31:19



Neighborhood affects the healthiness of dietary choices  

A new study shows that living or moving to a neighborhood with a higher socioeconomic status is clearly associated with better adherence to dietary recommendations. Researchers studied the connection between neighborhoods' socioeconomic status and dietary choices from data covering over 16,000 Finnish adults.

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2018-12-11 10:31:14



New light-based technology reveals how cells communicate in human disease  

Scientists have developed a new technique that uses light to understand how cells communicate in human disease.

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2018-12-11 10:31:11



Attention training improves intelligence and functioning of children's brain  

Being able to voluntarily regulate our attention is crucial for mental processes such as intelligence and learning in children. With this in mind, researchers have carried out a study in which they evaluated the influence of a computer-based attention-training intervention on intelligence scores and brain functioning on a group of pre-school age children.

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2018-12-11 10:31:08



New method gives microscope a boost in resolution  

Scientists have been able to boost current super-resolution microscopy by a novel tweak. They coated the glass cover slip as part of the sample carrier with tailor-made biocompatible nanosheets that create a 'mirror effect'. This method shows that localizing single emitters in front of a metal-dielectric coating leads to higher precision, brightness and contrast in Single Molecule Localization Microscopy (SMLM).

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2018-12-11 10:31:06



Green production of chemicals for industry  

Industry consumes large quantities of crude oil to produce basic substances for drugs, cosmetics, plastics, or food. However, these processes consume a lot of energy and produce waste. Biological processes with enzymes are far more sustainable. The protein molecules can catalyze various chemical reactions without auxiliary materials or solvents being required. But they are expensive and, hence, have been economically unattractive so far. Researchers have now developed a new biomaterial that cons

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2018-12-11 10:31:03



Algorithms to locate centrioles in the cell  

Investigators from the UEx have developed a methodology with new algorithms to analyze the location of the centriole in a model cell. Thanks to this technology, they have been able to discover how the actin cytoskeleton, is involved in the polarised placement of centrioles in Drosophila, just as happens in vertebrates.

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2018-12-11 10:31:00



Meditation adapts the brain to respond better to feedback  

Researchers have discovered a link between meditation and how individuals respond to feedback.

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2018-12-11 10:30:58



Citations show academic and non-academic researchers 'win' when they collaborate  

Findings in new article indicate that when academics work with business, government, and/or NGO partners they produce more cited, higher impact research.

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2018-12-11 09:19:35



Going viral: New cells for norovirus production in the lab  

Human norovirus is a major cause of infections that can be particularly dangerous to children and elderly people. Here, a research team found that human induced pluripotent stem cell-derived intestinal epithelial cells allowed for efficient growth of human norovirus in the laboratory, without requiring human tissue or bile. This method raises fewer practical and ethical issues than conventional systems and should prove useful for industrial applications such as testing new potential vaccines.

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2018-12-11 09:19:31



'Pest-controlling' bats could help save rainforests  

A new study shows that several species of bats are giving Madagascar's rice farmers a vital pest control service by feasting on plagues of insects. And this, a zoologist believes, can ease the financial pressure on farmers to turn forest into fields.

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2018-12-11 09:19:26



Music evokes powerful positive emotions through personal memories  

Music is known to evoke emotions through a range of mechanisms. A new study gives insights into the way positive emotional reactions can be triggered by music and pictures.

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2018-12-11 09:06:59



Depression: New tool delivers swifter picture of cognitive deficit  

A new tool will assist clinicians to assess people suffering from major depressive disorder (MDD).

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2018-12-11 09:06:48



Pushing closer to a new cancer-fighting strategy  

A molecular pathway that's frequently mutated in many different forms of cancer becomes active when cells push parts of their membranes outward into bulging protrusions, researchers report.

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2018-12-11 09:06:42



Sierra snowpack could drop significantly by end of century  

A future warmer world will almost certainly feature a decline in fresh water from the Sierra Nevada mountain snowpack. Now a new study that analyzed the headwater regions of California's 10 major reservoirs, representing nearly half of the state's surface storage, found they could see on average a 79 percent drop in peak snowpack water volume by 2100.

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2018-12-11 09:06:39



Study links frequent red meat consumption to high levels of chemical associated with heart disease  

Researchers have identified another reason to limit red meat consumption: high levels of a gut-generated chemical called trimethylamine N-oxide (TMAO), that also is linked to heart disease. Scientists found that people who eat a diet rich in red meat have triple the TMAO levels of those who eat a diet rich in either white meat or mostly plant-based proteins, but discontinuation of red meat eventually lowers those TMAO levels.

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2018-12-11 08:49:48



When less is more: A promising approach for low-cell-number epigenomic profiling  

Scientists have developed a technique that enables analysis of DNA-protein interactions using very small numbers of cells, ranging from 100 to 1,000. Their method could capture previously unexamined epigenomic information, facilitate biomarker discovery and open new avenues for precision medicine.

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2018-12-11 08:42:32



New sepsis treatment a step closer  

A large clinical study assesses how clinicians are treating sepsis.

what do you think?

2018-12-11 08:42:28



The richer the reward, the faster you'll likely move to reach it  

If you are wondering how long you personally are willing to stand in line to buy that hot new holiday gift, scientists say the answer may be found in the biological rules governing how animals typically forage for food and other rewards.

what do you think?

2018-12-11 08:09:25



The source of stem cells points to two proteins  

While other animal embryos grow outside the mother, their embryonic cells can get right to work accepting assignments, such as head, tail or vital organ. By contrast, mammalian embryos must first choose between forming the placenta or creating the baby. New research has pinpointed two proteins that are the keys to this decision making. The process of assigning cells to placenta or baby is important because that is when pluripotent cells are made. These adaptable pluripotent cells are critical to

what do you think?

2018-12-11 08:09:22



Women having a heart attack wait longer than men to get help  

Women are being urged to call an ambulance immediately if they have heart attack symptoms, following research showing they wait longer than men to get help.

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2018-12-11 07:33:03



Tenacious and flexible goal pursuit gets older people on the move  

Tenacious goal pursuit and flexible goal adjustment have been shown to help maintain psychological well-being despite age related challenges and losses. A recent study demonstrates that tenacity and flexibility are beneficial for out-of-home mobility as well.

what do you think?

2018-12-11 07:32:59



Online game trains players how to sort waste correctly  

A simple online game can teach people to more accurately sort waste -- with lasting results, a new study has found. Study participants who played the game received immediate feedback on their sorting choices. The second time they played -- when feedback was no longer provided -- players still improved their average accuracy from 69 per cent to 84 per cent. Even when a week passed between games, players still improved their accuracy.

what do you think?

2018-12-11 07:32:55



Using water molecules to unlock neurons' secrets  

Researchers have developed a method to observe the electrical activity of neurons by analyzing the behavior of surrounding water molecules. This simple and non-invasive method, which could eliminate the need for electrodes and fluorophores, can be used to monitor the activity within a single neuron or potentially on an entire region of the brain.

what do you think?

2018-12-11 07:32:51



Human antibody discovery could save lives from fungal killer  

A new way to diagnose, treat and protect against stealth fungal infections that claim more than 1.5 million lives per year worldwide has been moved a step closer.

what do you think?

2018-12-11 07:32:47






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