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Science Current Events and Science News | Brightsurf | November 19, 2018


Growing number of state laws limit local government control over food and nutrition
In recent years, more than a dozen states have passed laws limiting local governments' ability to create food and nutrition policies and more than two dozen states previously enacted laws preventing obesity-related lawsuits against food businesses, finds a new analysis led by NYU College of Global Public Health.
Color vision variation in guppies influences female mate preference
A variety of animals have male-specific ornament traits and these ornaments are favored by female choice.
Negligible risk of transmitting HIV during sex when viral load is suppressed
There is a negligible risk of transmitting HIV during sex when a person living with HIV is on antiretroviral therapy and maintains a viral load under a specific threshold, according to a study in CMAJ (Canadian Medical Association Journal).
Common tactics for health promotion at work may be detrimental to employees with obesity
Workplace health promotion programs often emphasize personal responsibility for weight loss.
'Magnetic topological insulator' makes its own magnetic field
A team of U.S. and Korean physicists has found the first evidence of a two-dimensional material that can become a magnetic topological insulator even when it is not placed in a magnetic field.
Preserving shoulder function, quality of life, in breast cancer patients
After a prophylactic double mastectomy in 2015, Tina Harrison discovered that she did, indeed, have breast cancer -- it just hadn't been detected.
Does an 'echo chamber' of information impede flu vaccination for children?
Nearly a third of parents say they are not planning to get their child the vaccine this year, according to the C.S.
Glucose binding molecule could transform the treatment of diabetes
Scientists from the University of Bristol have designed a new synthetic glucose binding molecule platform that brings us one step closer to the development of the world's first glucose-responsive insulin which, say researchers, will transform the treatment of diabetes.
A molecule for fighting muscular paralysis
Myotubular myopathy is a severe genetic disease that leads to muscle paralysis.
Gene vital for post-stroke recovery identified for the first time
Having certain specific variants of the PATJ gene predisposes to worse recovery from ischemic stroke.
Move over Rover: There's a new sniffing powerhouse in the neighborhood
Scientists at Georgia Tech are now homing in on the secrets behind animals' super sniffers to develop an artificial chemical sensor that could be used for a variety of tasks, from food safety to national security.
Concomitant use of sleeping pills and strong painkillers is common among people with AD
One in five people with Alzheimer's disease (AD) who use a benzodiazepine are also concomitant users of an opioid, according to a new study from the University of Eastern Finland.
New drug discovery could halt spread of brain cancer
A team of researchers at Virginia Tech may have found a solution to stopping the spread of glioblastoma with a new drug and cancer treatment method.
'True polar wander' may have caused ice age
Earth's latest ice age may have been caused by changes deep inside the planet.
Widely used reference for the human genome is missing 300 million bits of DNA
Experts say additional reference genomes from different populations are needed for research.
Signal peptides' novel role in glutamate receptor trafficking and neural synaptic activity
Dr. SHENG Nengyin at the Kunming Institute of Zoology of the Chinese Academy of Sciences, in collaboration with Dr.
Dogs know when they don't know
In a new study, researchers have shown that dogs possess some 'metacognitive' abilities -- specifically, they are aware of when they do not have enough information to solve a problem and will actively seek more information.
Post-Soviet Union happiness lag between east and west Europe explained
The upheaval caused by the collapse of the Soviet Union that left millions of workers unemployed for long periods of time could be the reason for the sizeable 'transition happiness gap' that existed for many years between east and western nations in Europe, according to new research.
Benefit of LDR brachytherapy in patients with early-stage prostate cancer is still unclear
Even eleven years after the first benefit assessment, the evidence base remains inadequate.
Local drivers of amplified Arctic warming
IBS scientists show that in terms of the cause of the Arctic amplification, local greenhouse gas concentrations, and Arctic climate feedbacks outweigh other processes.
Spectacular star system discovered which could explode in powerful cosmic firework display
A spectacular star system wrapped in an elegant spiral dust cloud has been discovered by astronomers.
Dementia associated with most deaths of older adults with down syndrome
Older adults with Down syndrome are at increased risk for developing dementia.
Sexual orientation identified as a risk factor in opioid misuse
Men and women who identify as lesbian, gay, or bisexual are more likely to misuse opioids when compared with those who identify as heterosexual, a new study shows.
Princeton geneticist solves long-standing finch beak mystery
Princeton biologist Bridgett vonHoldt is best known for her work with canines, but when she compared the genes of large-beaked Cameroonian finches to those of their smaller-beaked counterparts, she found the answer to a 20-year old mystery: 300,000 base pairs, apparently inherited as a unit, always varied between them, and right in the middle of that genetic sequence was the well-known growth factor, IGF-1.
Study links shoulder ultrasound brightness with type 2 diabetes
Henry Ford Hospital researchers may have unknowingly happened on a new predictor of type 2 diabetes as part of a new ultrasound shoulder study.
Researchers find multisystem disorder caused by CCDC47 variants
Researchers and clinicians through a multicenter collaboration have identified a novel multisystem disorder caused by bi-allelic variants in the CCDC47 gene.
GPM satellite sees light rain occurring in Tropical Depression 33W's eastern side
The Global Precipitation Measurement mission or GPM core satellite is providing data on rain rates within Tropical Cyclone 33W as it moves over the Philippines on Nov.
Digital offense: Anonymity dulls our moral outrage
A recent study from The University of South Florida digs deeper into exactly why people react less strongly to insults online, and offers a glimpse at what might help people be more civil to each other.
What smart hazmat suits and Sonora cactus skins have in common
Motivated by observations of desert flora and fauna, researchers in Arizona began experimenting in the laboratory to characterize cactuses' microscopic 3D epidermal structure at dry and wet times of the year.
Public perspectives on food risks
Roughly half of Americans say the average person faces a serious health risk from food additives over their lifetime, while the other half believes the average person is exposed to potentially threatening additives in such small amounts that there is no serious risk.
Let's draw!: New deep learning technique for realistic caricature art
Caricature portrait drawing is a distinct art form where artists sketch a person's face in an exaggerated manner, most times to elicit humor.
More than H2O: Technology simultaneously measures 71 elements in water, other liquids
A new method for simultaneous measurement of 71 inorganic elements in liquids -- including water, beverages, and biological fluids -- makes element testing much faster, more efficient, and more comprehensive than was possible in the past.
Critical collections
Harvard researchers are among the co-editors of a special issue of Philosophical Transactions B dedicated to exploring the creative ways in which researchers have made use of biological collections around the world and to advocating for their continued preservation.
Association of air pollutant at mothers' homes during pregnancy, risk of autism spectrum disorder in kids
In a study of estimated exposure to air pollution at mothers' homes during pregnancy, 1 of 3 airborne pollutants was associated with increased risk of autism spectrum disorder (ASD) in children in a Canadian metropolitan area with relatively low ambient air pollution levels.
Rare and diverse giant viruses unexpectedly found in a forest soil ecosystem
Until recently, scientists thought of viruses as mostly small infectious agents, tiny compared to typical bacteria and human cells.
Shoulder 'brightness' on ultrasound may be a sign of diabetes
A shoulder muscle that appears unusually bright on ultrasound may be a warning sign of diabetes, according to a new study.
A major step toward non-viral ocular gene therapy using laser and nanotechnology
Gold nanoparticles, which act like 'nanolenses,' concentrate the energy produced by the extremely short pulse of a femtosecond laser to create a nanoscale incision on the surface of the eye's retina cells.
The power of social support
In most animal societies, members of one sex dominate those of the other.
Bio jet fuels good for the climate, but technologies need tweaking
As much as 20 per cent of jet fuel burned in Norway in 2030 could be biofuel made from the country's forest residues.
Researchers discover a new gear in life's clock: Vitamin D
Researchers at Portland State University discover that vitamin D plays a key role in embryonic development in vertebrates and by blocking vitamin D in embryos of zebrafish, researchers were able to induce dormancy in a species that doesn't enter dormancy.
Current climate models underestimate warming by black carbon aerosol
Researchers in the School of Engineering & Applied Science have discovered a new, natural law that sheds light on the fundamental relationship between coated black carbon and light absorption.
Response to daily stressors could affect brain health in older adults
Taking typical daily annoyances such as a long wait at the doctor's office or a traffic jam on the freeway in stride may help preserve brain health in older adults.
Bending light around tight corners without backscattering losses
Researchers from Duke University demonstrate a new optical waveguide capable of bending photons around tight corners on a smaller scale than previously possible.
RUDN chemists made an electrode for hydrogen fuel production out of Chinese flour
A RUDN chemist developed a new method of obtaining a porous carbon material on the basis of Chinese flour and water.
Intimate partner violence, sexual assault, PTSD associated with women's experience of menopause
A history of intimate partner violence or sexual assault and posttraumatic stress disorder (PTSD) symptoms are common among midlife and older women and are associated with women's experience of menopause.
Study reveals importance of 'cryptic connections' in disease transmission
A new study of disease transmission in bats has broad implications for understanding the hidden connections that can spread diseases between species and lead to large-scale outbreaks.
Jumping genes shed light on how advanced life may have emerged
A previously unappreciated interaction in the genome turns out to have possibly been one of the driving forces in the emergence of advanced life.
New blood test detects early stage ovarian cancer
Research on a bacterial toxin first discovered in Adelaide has led to the development a new blood test for the early diagnosis of ovarian cancer -- a disease which kills over 1000 Australian women and 150,000 globally each year.
Chemistry freed from space and time
Shopping on the internet, storing photos in the cloud, turning up a thermostat with an app--all are commonplace.
Location, location, location
In a box, within a canister, surrounded by snow, tucked tightly into a backpack strapped to one determined ecologist.
NRL demonstrates new non-mechanical laser steering technology
Steerable electro-evanescent optical refractor (SEEOR) chips take laser light in the mid-wavelength infrared (MWIR) as an input and steers the beam at the output in two dimensions without the need for mechanical devices.
Astronomers discover giant relic of disrupted 'tadpole' galaxy
A team of astronomers from Israel, the US and Russia have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth.
New report outlines cancer screening's future potential
New report summarizes the status of cancer screening and proposes key areas where attention is needed to further advance screening's contribution to cancer control.
Teens increasingly choose pot over alcohol, cigarettes
The 'gateway pattern' of adolescent substance use is changing, and marijuana is increasingly the first substance in the sequence of adolescent drug use.
Duke forms prototype of robot dog nose
Every day, thousands of trained K9 dogs sniff out narcotics, explosives and missing people.
Older, frail heart attack patients at greater risk of bleeding
Many older patients who are considered frail by medical standards receive anticoagulants (blood thinners) and undergo cardiac catheterization during a heart attack.
Mount Sinai researchers study second-hand marijuana smoke in children
In a study designed to evaluate second-hand marijuana smoke exposure among children -- a topic that scientists have not yet widely addressed -- researchers at the Icahn School of Medicine at Mount Sinai found that nearly half of children whose parents smoked marijuana showed evidence of second-hand marijuana smoke exposure.
Using Skype to beat the blues
Researchers compared four different types of online communication technologies -- video chat, email, social networks and instant messaging -- used by people 60 and older and then gauged their symptoms of depression based on survey responses two years later.
Emotional abuse may be linked with menopause misery
Smoking, obesity and a sedentary lifestyle have long been linked to heightened symptoms of menopause.
One in 5 kids with food allergies treated in emergency department in past year
Researchers from Ann & Robert H. Lurie Children's Hospital of Chicago and colleagues estimate that nearly 8 percent of US children (about 5.6 million) have food allergies, with nearly 40 percent allergic to more than one food.
RUDN scientist: Tibetan soil enrichment with nitrogen and phosphorus leads to carbon loss
A RUDN soil scientist studied the soils of the Qinghai-Tibet Plateau and found out that simultaneous increase of nitrogen and phosphorus levels reduces the volume of organic carbon in the soil.
Kindergarten difficulties may predict academic achievement across primary grades
Identifying factors that predict academic difficulties during elementary school should help inform efforts to help children who may be at risk.
Antarctic melting slows atmospheric warming and speeds sea level rise
Current climate models do not include the effects on the global climate of melting ice from Antarctica.
Mutation that causes autism and intellectual disability makes brain less flexible
About 1 percent of patients diagnosed with autism spectrum disorder and intellectual disability have a mutation in a gene called SETD5.
White matter pathway and individual variability in human stereoacuity
Researchers in the National Institute of Information and Communications Technology (NICT), and Osaka University have identified a human white matter pathway associated with individual variability in human stereoacuity.
Human images from world's first total-body scanner unveiled
EXPLORER, the world's first medical imaging scanner that can capture a 3D picture of the whole human body at once, has produced its first scans.
Less pollution can add a year to the lives of Copenhageners in 2040
If air pollution in the city by 2040 is reduced to the level found in the countryside, approximately one year will be added to the lives of Copenhageners, new research from the University of Copenhagen reveals.
Having poor vision can raise risk for falls among older adults
A research team, examining information from the National Health and Aging Trends Study (NHATS) and publishing their study in the Journal of the American Geriatrics Society, provided up-to-date information on the frequency of falls and learned more about the fear of falling and how it might limit activity among older adults who have vision impairments.
How the brain switches between different sets of rules
An MIT study has found that a region of the thalamus is key to the process of switching between the rules required for different contexts, an ability known as cognitive flexibility.
Google data shows public interest in conservation is rising
The public's interest in conservation is rising. Based on an adapted version of Google Trends -- which tracks user searches on Google -- the results show that people search for conservation just as often as they do for climate change.
From receptor structure to new osteoporosis drugs
Researchers at the University of Zurich have determined the three-dimensional structure of a receptor that controls the release of calcium from bones.
Study finds 45 minutes of patient education improves chronic disease management
The Other 45 directed its efforts to an underserved community, noting the population's higher rates of chronic disease coupled with less exposure and access to accurate health information.
'Druggable' cancer target found in pathway regulating organ size
It's known that cancer involves unchecked cell growth and that a biological pathway that regulates organ size, known at the Hippo pathway, is also involved in cancer.
Exploring the genetic contribution to suicide risk
Suicide is the 10th leading cause of death in the United States, claiming more than 44,000 people in the country every year, similar to the number of deaths caused by the opioid epidemic.
Study: In-person, but not online, social contact may protect against psychiatric disorders
In-person social contact seems to offer some protection against depression and PTSD symptoms, but the same is not true of contact on Facebook, suggests a study by Veterans Affairs researchers and colleagues.
New blood pressure guideline could prevent 3 million cardiovascular events over 10 years
In 2017, the American College of Cardiology and the American Heart Association released new blood pressure guidelines, lowering hypertension threshold to 130/80 mm Hg from the previous 140/90 mm Hg.
RNAi therapy mitigates preeclampsia symptoms in UMass Medical School study
A collaboration of scientists including Anastasia Khvorova, Ph.D., from the University of Massachusetts Medical School, have shown that an innovative new type of therapy using small interfering RNAs (siRNA) can temper the symptoms of preeclampsia in an animal model.
Researchers offer perspective on legal, ethical implications of lost eggs and embryos
Three medical and legal scholars discussed the implications of one couple's wrongful death suit seeking compensation for the March 2018 loss at a fertility center of more than 4,000 frozen eggs and embryos.
Ocean warming
New research has uncovered a previously unaccounted for pathway transporting heat from the Pacific Ocean to the Indian Ocean, and even further to the Southern Ocean, which surrounds Antarctica.
A study analyzes the impact of targeted Facebook advertising on the elections
Research from the Universidad Carlos III de Madrid (UC3M), the University of Warwick and ETH Zurich has studied the effectiveness of micro-targeted political advertising on social media such as Facebook in the United States.
A program of personalized physical exercise reverses functional decline in the over-75s
A program of personalized physical exercise implemented over a three-year period and involving 370 people over the age of 75 admitted to the Geriatric Service of the Hospital Complex of Navarre (CHN) has turned out to be 'safe and effective' in reversing the functional deterioration associated with hospitalization to which patients in this age group are subjected.
Healthcare providers -- not hackers -- leak more of your data
New research from Michigan State University and Johns Hopkins University found that more than half of the recent personal health information, or PHI, data breaches were because of internal issues with medical providers -- not because of hackers or external parties.
Two thirds of required pediatric post-marketing drug studies are missing
The FDA requires clinical studies of new drugs in pediatric populations, since many drugs developed for use in adults are also used in children.
Ecstasy ingredient may promote cooperation
The recreational drug known as ecstasy or molly may help people regain trust in others after being betrayed, suggests results of a controlled laboratory study, published in JNeurosci, of healthy men given a pure form of the substance.
When it comes to love: Personality matters: QUT research
Throughout history, competitive advantages have helped men and women achieve increased success in their occupation, sport, artistic endeavors, their ability to acquire and secure resources, and ultimately, their survival.
Spanking in developing countries does more harm than good
Spanking may be increasingly harmful for children on a more global scale than previously known, a new University of Michigan study indicates.
Solution for next generation nanochips comes out of thin air
The secret ingredient for the next generation of more powerful electronics could be air, rather than silicon, according to new research.
4,000-year-old termite mounds found in Brazil are visible from space
Researchers reporting in Current Biology on Nov. 19 have found that a vast array of regularly spaced, still-inhabited termite mounds in northeastern Brazil--covering an area the size of Great Britain -- are up to about 4,000 years old.
Proposed cancer treatment may boost lung cancer stem cells, study warns
Epigenetic therapies -- targeting enzymes that alter what genes are turned on or off in a cell -- are of growing interest in the cancer field as a way of making a cancer less aggressive or less malignant.
Electrical cable triggers lightweight, fire-resistant cladding discovery
A University of Melbourne researcher has led the successful development of an organic, non-combustible and lightweight cladding core -- a product that was previously thought to be impossible to create.
Screening tool is effective for identifying child sex trafficking victims in a pediatric ED
An initial screening tool can be used effectively in a busy, inner?city emergency department to identify child sex trafficking victims presenting with high?risk health complaints.
Skeletal imitation reveals how bones grow atom-by-atom
Researchers from Chalmers University of Technology, Sweden, have discovered how our bones grow at an atomic level, showing how an unstructured mass orders itself into a perfectly arranged bone structure.
Firearms more likely to be stored unsafely in households if adults misuse alcohol
Firearm injuries and deaths among children are a public health issue.
Drug used for PTSD may worsen nightmares, not reduce suicidal thoughts
Nightmares and insomnia often accompany posttraumatic stress disorder and increase suicide risk.
Getting things under control: New mouse model aids study of immunomodulation
Mice are resistant to immunomodulatory drugs (IMiDs). As a result, studying the effects of IMiDs was not possible in existing types of mice.
Aspirin and omega-3 reduce pre-cancerous bowel polyps
Both aspirin and a purified omega-3, called EPA, reduce the number of pre-cancerous polyps in patients found to be at high risk of developing bowel cancer, according to new research.
Odd bodies, rapid spins keep cosmic rings close
Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea -- small objects deep in our solar system -- can be credited for forming and maintaining their own rings, according new research in Nature Astronomy.
'Boomeranging' back to a parents' home negatively affects young adults' mental health
The number of young adults living in their own household has dropped dramatically in the last decades in the United States, and a growing proportion of young people will move back in with their parents at some point in time.
Cosmic serpent
The VISIR instrument on ESO's Very Large Telescope has captured this stunning image of a newly discovered massive triple star system.
Residual inflammation risk affects outcomes after percutaneous coronary intervention
Patients who have persistently high levels of inflammation following percutaneous coronary intervention (PCI) for coronary artery disease are significantly more likely to die from any cause or to have a heart attack within a year, according to a study of 7,026 patients published in the European Heart Journal.
Cannabis youth prevention strategy should target mental wellbeing
High school students with positive mental health are less likely to consume cannabis, a recent University of Waterloo study has found.
Research offers hope for simpler cancer diagnosis and treatment
Imagine: No more biopsies. No more spinal taps. With help from recent research, cancer patients may be instead eventually be able to take a simple blood test to diagnose, monitor and tailor appropriate therapies.
Freeze-frame microscopy captures molecule's 'lock-and-load' on DNA
One of the body's largest macromolecules is the machinery that gloms onto DNA and transcribes it into mRNA, the blueprint for proteins.
Researchers find promise in new treatment for peanut allergy
Controlled ingestion of peanut protein could help build tolerance in peanut allergy sufferers.
Where the brain turns quality and quantity into value
Researchers have pinpointed a part of the human brain responsible for 'on-the-fly' decision-making.
Where you go tells who you are -- and vice versa
Mining data to analyze tracking patterns, Civil Engineering Prof Sharon Di can infer the population travel demand level in a region from the trajectories of just a portion of travelers.
Mite genomes reveal 'mighty surprising' fragrant and colorful secrets
Scientists at the University of Liverpool have uncovered some unexpected 'foreign' genes in the tiny itch-inducing chigger mite and its more benign but enormous cousin, the giant velvet mite.
Targeted Hepatitis C testing misses substantial number of cases in correctional setting
Results from a new study led by Boston Medical Center (BMC) found routine Hepatitis C testing identified a significant number of cases that would have been missed by targeted testing among a population of individuals in Washington State prisons
Scientists trained a computer to classify breast cancer tumors
In a study published in the journal NPJ Breast Cancer, researchers reported they used a form of artificial intelligence called machine learning, or deep learning, to train a computer to identify certain features of breast cancer tumors from images.
Antarctica's hidden landscape shaped by rivers in warmer era
Antarctica's hidden landscape of mountains and valleys was formed by rivers -- rather than glaciers as was previously thought -- before the continent became covered in a thick ice sheet, research shows.
Mom's teeth tell her history of giving birth and raising babies in Asian black bears
Scientists from four Japanese institutions including Tokyo University of Agriculture and Technology (TUAT) have discovered that width of surface layers coating tooth's roots correlates with reproductive histories of female Asian black bears.
Powerful new map depicts environmental degradation across Earth
University of Cincinnati geography professor Tomasz Stepinski created a new world map showing dramatic changes in land use over the last quarter century.
Scientists discover new 'pinwheel' star system
An international team of scientists has discovered a new, massive star system -- one that also challenges existing theories of how large stars eventually die.
From the Arctic to the tropics: Researchers present unique database on Earth's vegetation
Which plant species grow where -- and why? In a new study in Nature Ecology & Evolution, an international research team presents the world's first global vegetation database which contains over 1.1 million complete lists of plant species for all terrestrial ecosystems.
Computational chemistry supports research on new semiconductor technologies
Researchers at the University of Marburg highlight the ability of computational chemistry approaches using high-performance computing to reveal interesting phenomena that occur between organic molecules and surfaces.
Novel target identified for neuron regeneration, functional recovery in spinal cord injury
Restoring the ability to walk following spinal cord injury (SCI) requires neurons in the brain to reestablish communication pathways with neurons in the spinal cord.
Satellite finds Tropical Cyclone Bouchra reborn in Southern Indian Ocean
Tropical Cyclone 04S, known as Bouchra formed in the Southern Indian Ocean during the week of Nov.
Seeing is believing: Monitoring real time changes during cell division
Scientist have cast new light on the behaviour of tiny hair-like structures called cilia found on almost every cell in the body.
New research questions role of gut parasite in intestinal diseases such as IBS
New University of Kent-led research on the way a common gut parasite behaves could help lead to a better understanding of its role in the development of intestinal diseases such as irritable bowel syndrome.
As climate and land-use change accelerate, so must efforts to preserve California's plants
A UC Berkeley team developed a computer model that identifies the high-priority areas in California for preservation in order to save the state's native plants in the face of rapid climate change and habitat destruction.
Cessation fatigue predicts which smokers making a quit attempt are likely to relapse
Cessation fatigue increased in the first six weeks of a quit attempt and increased the likelihood of relapse, report researchers at the Medical University of South Carolina in the Journal of Consulting and Clinical Psychology.
MDMA makes people cooperative, but not gullible
New research from King's College London has found that MDMA, the main ingredient in ecstasy, causes people to cooperate better -- but only with trustworthy people.
The 'Swiss Army knife of prehistoric tools' found in Asia, suggests homegrown technology
A study by an international team of researchers, including from the University of Washington, determines that carved stone tools, also known as Levallois cores, were used in Asia 80,000 to 170,000 years ago.
Researchers discover how 'cryptic' connections in disease transmission influence epidemics
A new study by researchers of disease transmission in bats has broad implications for understanding hidden connections that can spread diseases between species and lead to large-scale outbreaks.
To resolve inflammation, location matters
A single protein can both restrain the initiation of inflammation and help to actively resolve it, according to new research led by George Hajishengallis of the University of Pennsylvania and Triantafyllos Chavakis of Technical University of Dresden.
New survey highlights digital health challenges
New survey: Health system leaders plan to increase spending to defend against cyberattacks, express optimism about reimbursement for telehealth services, and feel anxiety about Apple, Amazon and Google entering the health care space.
Ground and stream water clues reveal shale drilling impacts
Chemical clues in waters near Marcellus Shale gas wells in rural Pennsylvania can identify new drilling-related sources of methane contamination, according to scientists.
Doomed star in Milky Way threatens rare gamma-ray burst
Researchers say a Wolf-Rayet star system -- nicknamed Apep after the Egyptian god of chaos -- has all the ingredients for a perfect stellar storm to produce a gamma-ray burst when it goes supernova.
High risk of death in the year after ICU discharge; more hospital days linked to higher mortality
Nearly one in five intensive care unit (ICU) survivors die within one year, and increased hospital use is among the factors associated with a higher risk of death, reports a UK population-based study in the January 2019 issue of Critical Care Medicine, the official journal of the Society of Critical Care Medicine (SCCM).
Hidden giants in forest soils
Only a fraction of the microbes residing in, on and around soils have been identified through efforts to understand their contributions to global nutrient cycles.

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