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Science News | Science Current Events | Brightsurf | September 06, 2016


MRIs during pregnancy and outcomes for infants, children
In an analysis that included more than 1.4 million births, exposure to magnetic resonance imaging (MRI) during the first trimester of pregnancy compared with nonexposure was not associated with increased risk of harm to the fetus or in early childhood, although gadolinium MRI at any time during pregnancy was associated with an increased risk of a broad set of rheumatological, inflammatory, or skin conditions and, possibly, for stillbirth or neonatal death, according to a study appearing in the Sept.
CU's Farley health policy center awarded $1 million grant to advance integrated care
The Eugene S. Farley, Jr. Health Policy Center at the University of Colorado School of Medicine has been awarded a $1 million grant from the Robert Wood Johnson Foundation to establish a technical assistance program for designing policies that help integrate behavioral health across healthcare.
Friends help friends on Facebook feel better
Personal interactions on Facebook can have a major impact on a person's feelings of well-being and satisfaction with life just as much as getting married or having a baby, a new study by Carnegie Mellon University and Facebook researchers shows.
NASA sees Hurricane Newton approaching landfall in Baja California, Mexico
NASA's Terra satellite and a NASA animation of imagery from NOAA's GOES-West satellite provided views of Hurricane Newton as it neared landfall in Baja California, Mexico, today, Sept.
Genetically modified humans? CRISPR/Cas 9 explained (video)
Thanks to a new, cheap and accurate DNA-editing technique called CRISPR-Cas9, targeted genetic modification in humans is no longer just the realm of science fiction.
Orientation without a master plan
Human spatial memory is made up of numerous individual maps.
Detailed age map shows how Milky Way came together
Using colors to identify the approximate ages of more than 130,000 stars in the Milky Way's halo, Notre Dame astronomers have produced the clearest picture yet of how the galaxy formed more than 13.5 billion years ago.
Electric fans may exacerbate heat issues for seniors, study finds
Using electric fans to relieve high levels of heat and humidity may, surprisingly, have the opposite effect for seniors, a study by UT Southwestern Medical Center heart specialists suggests.
Consumers may search online for 30 days, but buy close to what they found on the first day
Retailers and advertisers are keen to influence the search and final purchase through better product recommendations and targeted advertising.
JAMA editorial highlights challenges of implementing new TB screening guidelines
An editorial in JAMA accompanies the publication of new US Preventive Services Task Force (USPSTF) screening recommendations for latent tuberculosis (TB) infection in primary care settings.
Steroid use linked to worse outcomes in Lyme disease-associated facial paralysis
Researchers from Massachusetts Eye and Ear/Harvard Medical School have found that patients who were prescribed corticosteroids as part of treatment for Lyme disease-associated facial paralysis had worse long-term outcomes of regaining facial function than those who were prescribed antibiotic therapy alone.
SickKids-led project investigates malnutrition in children, liver impairments
In a new Journal of Cell Biology study, SickKids researchers identify a gene, PEX2, as an essential requirement for the loss of peroxisomes in cells cultured without enough nutrients.
Nano-lipid particles from edible ginger could improve drug delivery for colon cancer, study finds
Edible ginger-derived nano-lipids created from a specific population of ginger nanoparticles show promise for effectively targeting and delivering chemotherapeutic drugs used to treat colon cancer, according to a study by researchers at the Institute for Biomedical Sciences at Georgia State University, the Atlanta Veterans Affairs Medical Center and Wenzhou Medical University and Southwest University in China.
Higher thyroid hormone levels linked to sudden cardiac death
The risk of sudden cardiac death was significantly greater in patients with thyroid hormone levels at the higher end of normal, compared to patients with levels at the low end.
NASA sees post-Tropical Cyclone Hermine linger over northeastern US
NASA and NOAA satellites continue to provide data as Post-Tropical Cyclone Hermine continues to linger south of Long Island, New York.
Twin study helps unravel the genetic blueprint of the human brain
Researchers have found a strong genetic contribution to almost all cortical and subcortical brain structures, and have identified three clusters of genetically related structures.
TSRI scientists reverse alcohol dependence in animal models
There may be a way to switch off the urge for compulsive drinking, according to a new study in animal models led by scientists at The Scripps Research Institute.
IIVS announces suite of non-animal methods to reduce animal testing for skin sensitization
In response to a newly published OECD Test Guideline, IIVS announces the addition of the Human Cell Line Activation Test (h-CLAT, OECD TG 442E) to its suite of non-animal assays to determine skin sensitization.
Dam removal projects accelerate, but research lags behind
A new review reveals gaps in the science of dam removal.
Cancer caregivers experience unique burdens compared with other conditions
An analysis of data from more than 1,200 caregivers in the United States finds that cancer caregivers report a higher burden and spend significantly more hours per week caregiving, as opposed to individuals who care for people with other conditions.
Rice University-led team morphs nanotubes into tougher carbon for spacecraft, satellites
Rice University researchers turn nanotubes into nanodiamonds and other forms of carbon by smashing them into a target at hypervelocity.
RHAPSODY, a European symphony for personalized health of diabetes
The SIB Swiss Institute of Bioinformatics is part of a European consortium project -- coined RHAPSODY -- which reunites researchers and experts from 26 partner institutions in both the public and private sectors.
Genetics of African KhoeSan populations maps to Kalahari Desert geography
Geography and ecology are key factors that have influenced the genetic makeup of human groups in southern Africa, according to new research discussed in the journal GENETICS, a publication of the Genetics Society of America.
Refrigerator us warm?
A discovery made at RUDN University allows to substantially increase the production of high-quality planting material of horticultural crops.
Infrared light to detect early signs of esophageal cancer
Scientists have developed an endoscope that uses near-infrared light to spot early warning signs of esophageal -- food pipe -- cancer, according to research published in the Journal of Biomedical Optics today.
The enigma machine takes a quantum leap
Researchers at the University of Rochester have moved beyond the theoretical in demonstrating that an unbreakable encrypted message can be sent with a key that's far shorter than the message -- the first time that has ever been done.
Researchers test blood flow in athletes' brains to find markers that diagnose concussions
Diagnosing concussions is difficult because symptoms like forgetfulness, wobbly gait, disorientation or unconsciousness are subjective.
A new angle on anxiety
Clinical anxiety affects up to 30 percent of Americans who are in great need of better treatments with fewer side effects.
High utility bills trigger anxiety and depression in low-income households
A researcher at Columbia's Mailman School of Public Health studied a hidden source of hardship: energy insecurity, the inability to adequately meet basic household energy needs, and its adverse environmental, health, and social consequences.
Over-the-counter head lice treatments are likely to fail
A recent review on head lice treatments available in the United States described a marked decline in the effectiveness of permethrin/synergized pyrethrins (collectively pyrethroids), likely due to resistance arising from widespread and indiscriminate use over 30 years.
OU study demonstrates seasonality of bird migration in response to environmental cues
A University of Oklahoma study demonstrates for the first time that remote sensing data from weather surveillance radar and on-the-ground data from the eBird citizen science database both yield robust indices of migration timing, also known as migration phenology.
Early palliative care improves coping, quality of life for patients with incurable cancers
A randomized clinical trial found that introducing palliative care shortly after a diagnosis of certain metastatic cancers greatly increases a patient's coping abilities, as well as overall quality of life.
Canadian Cardiovascular Society sets new guidelines for atrial fibrillation management and treatment
The Canadian Journal of Cardiology has just released the 2016 Focused Update to the Canadian Cardiovascular Society's atrial fibrillation guidelines.
Thrive or fail: Examining forest resilience in the face of fires
US and Canadian scientists outline a framework this month in the journal Frontiers in Ecology and the Environment to help scientists better test, understand and predict when forests are resilient enough to recover from fire or when a combination of conditions could tip the scales, drastically altering forest landscapes.
Simple saline spray could be as effective as drug therapy for treating chronic nosebleeds
Squirting a simple saline solution into the nose twice a day could alleviate chronic nosebleeds just as effectively as spraying with any one of three different medications, reports a study led by Kevin Whitehead, M.D., F.A.H.A., at the University of Utah School of Medicine and published online in the Journal of the American Medical Association.
NASA sees Tropical Storm Lester moving away from Hawaiian islands
Tropical Storm Lester passed the Hawaiian Islands over the holiday weekend of Sept.
Nicola Fuchs-Schündeln has been awarded the Gossen Prize
Nicola Fuchs-Schündeln, Professor of Macroeconomics and Development at Goethe University Frankfurt's House of Finance, has been awarded the Gossen Prize 2016.
How that 'old book smell' could save priceless artifacts (video)
Researchers are using a similar method to sniff out the breakdown of art and artifacts.
Nanotechnology supports treatment of malignant melanoma
Changes in the genetic make-up of tissue samples can be detected quickly and easily using a new method based on nanotechnology.
A minimalist theory to predict protein movements
Scientists at the Institute for Research in Biomedicine and the KTH Royal Institute of Technology in Stockholm develop a new method that predicts the way in which proteins move to exert their biological functions.
NFL players' careers most affected by surgery to patellar tendon, Achilles tendon and ACL
First comprehensive injury database that compares return-to-play rate and performance-based outcomes in NFL players who had orthopaedic surgery Nearly 80 percent of the 559 players included in the database returned to play after surgery Surgery for tendon injuries results in worse career trajectory than with other surgeries Understanding performance outcomes may lead to alterations in training regimens and help guide postoperative expectations for an athlete's career
Super-resolution microscope builds 3-D images by mapping negative space
Scientists have demonstrated a method for making 3-D images of structures in biological material under natural conditions at a much higher resolution than other existing methods.
Cesarean birth appears associated with higher risk of obesity in children
Children born by cesarean delivery appear to be at a higher risk of becoming obese, especially within families when compared to their siblings born via vaginal birth, according to an article published online by JAMA Pediatrics.
NIH-funded researchers find signs TB can persist in lungs despite treatment
It has been known that the microbe that causes TB, Mycobacterium tuberculosis, can persist in the lungs even after patient tissue samples test negative for the bacteria.
NREL supercomputing provides insights from higher wind & solar generation in eastern grid
A new study from the United States Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) used high-performance computing capabilities and innovative visualization tools to model, in unprecedented detail, how the power grid of the eastern United States could operationally accommodate higher levels of wind and solar photovoltaic generation.
NREL releases updated baseline of cost and performance data for electricity generation technologies
The Energy Department's National Renewable Energy Laboratory (NREL) has released the 2016 Annual Technology Baseline.
Findings suggest electric fan use by elderly during extreme heat could be harmful
In a study appearing in the Sept. 6 issue of JAMA, Craig G.
Prevalence of celiac appears steady but followers of gluten-free diet increase
More people are eating gluten-free, although the prevalence of celiac disease appears to have remained stable in recent years, according to an article published online by JAMA Internal Medicine.
Some islands started in diamond-bearing regions under continents, geochemists say
The raw materials of some volcanic islands are shaped by some of the same processes that form diamonds deep under the continents, according to a new study.
Drug reduces seizure frequency in children with tuberous sclerosis complex
In an international study, the drug everolimus has been shown to significantly reduce the frequency of seizures in patients with treatment-resistant epilepsy and tuberous sclerosis complex (TSC) -- a genetic disease that causes malformations and tumors in the brain and other vital organs.
New research shows link between extended GP surgery hours and fewer A&E visits
Patients who had access to GP surgeries with longer opening times in evenings and at weekend visited accident and emergence departments far fewer times than those who did not have similar access to primary care.
Survey: Most parents rely on outdated advice when caring for a child with concussion
A new survey reveals many parents would rely on outdated advice when caring for a child with a concussion, inadvertently making matters worse.
Human aichi virus atomic structure identified by IBP and STRUBI scientists
Using cryo-electron microscopy, an international group of scientists have solved the atomic structure of the human aichi virus, a rather unusual but poorly characterized picornavirus, that is very common and can cause severe gastroenteritis in children.
Nasal sprays not effective in reducing duration, frequency of nosebleeds caused by blood vessel disorder
Two studies appearing in the Sept. 6 issue of JAMA examine the effectiveness of nasal sprays to reduce the frequency and duration of nosebleeds caused by hereditary hemorrhagic telangiectasia (HHT), an inherited condition characterized by abnormal blood vessels which are delicate and prone to bleeding.
New breed of optical soliton wave discovered
Sharks and minnows: Scientists discover an optical soliton wave that rides with and feeds off of other soliton waves, much like a pilot fish with a shark.
A first for direct-drive fusion
Experiments using the OMEGA laser at the University of Rochester have created the conditions capable of producing a fusion yield that's five times higher than the current record laser-fusion energy yield, as long as the relative conditions are reproduced and scaled up at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in California.
Scientists discover a new deep-reef Butterflyfish species in Papahānaumokuākea Monument
Scientists from NOAA and the Bishop Museum have published a description of a new species of butterflyfish from deep reefs of the Papahānaumokuākea Marine National Monument in the remote Northwestern Hawaiian Islands.
Speech technology enables kids to control video game
Kids needed to say just two words -- 'jump' and 'go' -- to control a video game called Mole Madness, but Disney researchers had to design a speech technology system capable of sorting through the overlapping speech, social side talk and creative pronunciations of young children to make it work.
Case Western Reserve researcher awarded Drexel Prize in Translational Medicine
Jonathan Karn has been awarded the 2016 Drexel Prize in Translational Medicine by the Institute for Molecular Medicine and Infectious Disease at Drexel University College of Medicine in Philadelphia.
Fungi contribute to delayed healing of chronic wounds
Researchers in Pennsylvania and Iowa have discovered that fungal communities found in chronic wounds can form mixed bacterial-fungal biofilms and can be associated with poor outcomes and longer healing times.
Similarities found between how ancient and modern fish survived youth
The discovery of a group of young, prehistoric fish fossils provides some insights into the way the extinct creatures survived their youth -- and how fish today might be similar to them.
Extending primary care hours is linked to fewer emergency department visits
Keeping primary care practices open for more hours on nights and weekends was linked to a reduction in patient-initiated emergency department visits for minor problems, according to a new study published in PLOS Medicine by William Whittaker of University of Manchester, UK, and colleagues.
Hypertension: Releasing the pressure at its source
Researchers at the University of Bristol and Afferent Pharmaceuticals have identified a potential new way of treating high blood pressure, or hypertension, by targeting aberrant nerve signals in the carotid bodies, which sit on the common carotid arteries on each side of the neck.
Is 40 the new 50? Push for a new national local street speed
Introducing a nationwide local street speed limit of 40km/h will save lives and create more livable communities, according to Queensland University of Technology researchers.
Factor isolated from babies' cord blood could treat harmful inflammation, sepsis
A factor from umbilical cord blood could become the basis for developing new drugs to fight harmful inflammation, University of Utah School of Medicine researchers report.
New sensor could help fight deadly bacterial infections
Scientists from the Photonics Research Center at the University of Quebec in Outaouais, Canada, and collaborators from the Indian Institute of Technology Kanpur, have built a new sensor that can detect the potentially deadly E.coli bacteria in 15-20 minutes, much faster than traditional lab tests.
NIH scientists publish new metric to measure the influence of scientific research
A new metric, known as the Relative Citation Ratio (RCR), will allow researchers to measure the influence of a scientific article, regardless of publication and scientific field.
Pioneers in epigenetics awarded Horwitz Prize
For their fundamental work on how molecules can regulate the structure, behavior, and activity of DNA without modifying its genetic code, Columbia University will award the 2016 Louisa Gross Horwitz Prize to Howard Cedar, Ph.D., and Aharon Razin, Ph.D., of the Hebrew University of Jerusalem, and Gary Felsenfeld, Ph.D., of the National Institutes of Health.
Researchers use hardware to accelerate core-to-core on-chip communication
Researchers from North Carolina State University and the Intel Corporation have developed a new way to significantly accelerate core-to-core communication.
NASA sees Namtheun dissipating in the Sea of Japan
NASA's Aqua satellite passed over the Sea of Japan and saw Tropical Depression Namtheun weakening.
BCL11A-based gene therapy for sickle cell disease passes key preclinical test
A precision-engineered gene therapy virus, inserted into blood stem cells that are then transplanted, markedly reduced sickle-induced red-cell damage in mice with sickle cell disease, according to a report in the Journal of Clinical Investigation.
White racism tied to fatal heart disease for blacks and whites
Living in unabashedly racist communities can shorten the lives of both blacks and whites, according to new research from the University of California, Berkeley.
Intervention addresses pediatric patient families' social needs
An intervention that paired caregivers with a navigator to help address the social needs of families of pediatric patients was associated with decreased needs reported by the families and improved overall child health status, according to an article published online by JAMA Pediatrics.
New $9.7 million grant to advance research on theory of aging
A new multi-university research effort led by Brown University will seek to determine whether rogue elements of DNA promote or even cause aging and whether interventions against them could help people live longer and more healthfully.
Screening for latent tuberculosis infection recommended for those at increased risk
The US Preventive Services Task Force recommends screening for latent tuberculosis infection in populations at increased risk.
Research shows it may be time to abandon dreaded digital rectal exam
The dreaded finger exam to check for prostate cancer used to be a mainstay of check-ups for older men.
Is sex in later years good for your health?
Having sex frequently -- and enjoying it -- puts older men at higher risk for heart attacks and other cardiovascular problems.
Diagnosing and managing food allergies: A guide for physicians
A new review aims to help physicians diagnose and manage food allergies in children and adults.
ASU partnerships strengthen global biodiversity conservation efforts
Bringing together the different forces in sustainability, ASU's Center for Biodiversity Outcomes (CBO), has established new partnerships that strengthen the university's research capacity in conservation science and biodiversity.
Post-mortem assessment guidelines for vascular cognitive impairment
New research, led by academics at the University of Bristol, has outlined the first validated set of pathological criteria for assessing the likelihood that cognitive impairment was caused by vascular disease.
Body heat as a power source
Electronics integrated into textiles are gaining in popularity: Systems like smartphone displays in a sleeve or sensors to detect physical performance in athletic wear have already been produced.
New article-level metric measures the influence of scientific research
A group from the National Institute of Health's Office of Portfolio Analysis has developed a new metric, known as the Relative Citation Ratio, which will allow researchers and funders to quantify and compare the influence of a scientific article.
PSA failure predicts risk of death only in healthy men
A new study by investigators at Brigham and Women's Hospital (BWH) has found that a rise in prostate-specific antigen (PSA) levels in healthy men who have previously been treated for prostate cancer is significantly associated with a 1.6-fold increased risk of death.
Scientists reveal insights into treatment resistance of metastastic breast cancer research
A prominent physician scientist supported by the National Foundation of Cancer Research (NFCR), Dr.
Barcodes to identify gene regulators
The same DNA is present in every cell of an organism, but only some genes are expressed in a given cell.
Tuning the instrument: Spider webs as vibration transmission structures
Two years ago, a research team led by Oxford University revealed that, when plucked like a guitar string, spider silk transmits vibrations across a wide range of frequencies, carrying information about prey, mates and even the structural integrity of a web.
Technique identifies chemotherapy-resistant cells within acute myeloid leukemia tumors
This month in the JCI, Anthony Letai and colleagues at the Dana-Farber Cancer Institute developed an assay to determine how variability within a population of tumor cells can predict responses to chemotherapy in acute myeloid leukemia patients.
New tool can calculate renewable energy output anywhere in the world
Researchers have created an interactive web tool to estimate the amount of energy that could be generated by wind or solar farms at any location.
Researchers at the CNIO discover a gene that is essential for the DNA-replication process
Millions of cells in our body are constantly dividing to repair tissue damage and ensure our continuity.
'Traffic jam' in brain linked to common cognitive disorder
Brain MRI could help improve the diagnosis of people with a common type of cognitive disorder, according to a new study.
'Mystery shopper' study finds barriers to palliative care at major cancer centers
A team of researchers, using a novel approach, found that while many cancer centers offer palliative and supportive care services, patients may face challenges when trying to access them.
Irregular heartbeat linked to wider range of serious conditions than previously thought
An irregular heartbeat (known as atrial fibrillation) is associated with a wide range of serious events, including heart attacks, heart failure, chronic kidney disease, and sudden cardiac death, finds a large study in The BMJ this week.
Could a 'metabolic fingerprint' identify premature babies in developing countries?
Canadian researchers are hoping that metabolic markers found in blood spots routinely collected from infant heel pricks as part of newborn screening will help determine gestational age in newborns and lead to better care for infants in developing countries.
Brown dwarfs hiding in plain sight in our solar neighborhood
Cool brown dwarfs are a hot topic in astronomy right now.
BMJ launches new open access ophthalmology journal
Healthcare knowledge provider BMJ has added a new title to its expanding portfolio of 60 specialist journals, with the launch of BMJ Open Ophthalmology later this month.
Towards the workplace of the future -- with virtual reality
Virtual reality does not just help companies save money when it comes to testing new technologies; it also enables trainees and students to quickly and intensively learn on-the-job skills (e.g. in a virtual hospital).
Greater efforts are needed to eliminate female genital mutilation
The World Health Organization reports that more than 200 million girls and women currently have been subjected to female genital mutilation/cutting worldwide, and three million girls continue to be at risk each year.
Fish 'biowaste' converted to piezoelectric energy harvesters
Large quantities of fish are consumed in India on a daily basis, which generates a huge amount of fish 'biowaste' materials.
Champalimaud Vision Award recognizes findings in the relationship between the brain and the eyes
The award, the world's largest in the area of vision, worth €1 million, recognizes research essential to increasing our understanding of the relationship between what we see and what happens in the brain.
ESMO rewards outstanding oncologists
The European Society for Medical Oncology (ESMO), the leading professional organization for medical oncology, has revealed the four outstanding recipients of its distinguished awards.
African fishers undertake highly risky expeditions to make a living
Fishers in Central Africa often cover hundreds of miles in very basic boats without engines searching for food to feed their families and make a living, a new study shows.
UTA mathematicians to improve curricula for future high school mathematics teachers
Mathematicians at The University of Texas at Arlington are conducting research to refine and supplement curriculum materials used in college mathematics courses designed for students who plan to become high school math teachers.
Recessions are harmful to health
A review of studies investigating the 2008 recession in Europe show it was associated with adverse health outcomes, particularly for suicides and mental health problems, finds a study in The BMJ today.
MRIs in first trimester of pregnancy not associated with increased risk to fetus: Study
Performing an MRI on a woman in the early part of pregnancy does not increase the risk of her baby being stillborn, dying soon after birth or having a birth defect, a new study suggests.
Zika infects the eyes of adult mice
Mouse models of Zika infection in adults confirm that the virus can infect the eye, resulting in uveitis and conjunctivitis -- a symptom observed in 10 percent -15 percent of human patients.
Nutrient pollution is changing sounds in the sea
Nutrient pollution emptying into seas from cities, towns and agricultural land is changing the sounds made by marine life -- and potentially upsetting navigational cues for fish and other sea creatures, a new University of Adelaide study has found.
Rumor patterns on social media during emergencies -- Ben-Gurion U. study
Chat and social media apps like WhatsApp and Facebook have drastically sped up the pace of rumor proliferation during emergencies.
Largest review into twin pregnancies reveals ideal delivery time to prevent stillbirths
Scientists at QMUL have analyzed the twin pregnancies of more than 30,000 women to identify the ideal delivery period in an attempt to reduce rates of stillbirth.
Study to examine value of ECG testing for high school athletes
UT Southwestern Medical Center heart specialists will study whether electrocardiograms (ECGs) are useful in identifying Texas high school student athletes who are at risk of suffering sudden cardiac death.
Research examines global security and surveillance technologies
As governments around the world scramble to better respond to security threats, they are increasingly monitoring everyday things used to commit crime, like cell phones and automobiles.
New simulations of wind power generation
ETH researcher Stefan Pfenninger and his colleague Iain Staffell from Imperial College London have developed new multi-decade simulations of wind power production in Europe.
Trauma and shopping
Traumatic events have lasting influence on what products people desire and purchase.
Simulation study highlights potential driving risk posed by patients with obstructive sleep apnea
The potential driving risk posed by patients with obstructive sleep apnea syndrome is highlighted in a simulation study presented today (Sept.
Twins should be delivered at 37 weeks to minimize deaths, say experts
Twins should be delivered at 37 weeks' gestation to minimize stillbirths and newborn deaths, and there is no clear evidence to support routine delivery before 36 weeks' gestation, finds a large international study in The BMJ today.
Flowers critical link to bacteria transmission in wild bees
A team of researchers, including several from the University of California, Riverside, have found that flowers are a hot spot of transmission of bacteria that end up in the microbiome of wild bees.
Healthcare corruption taken to task by technology, study shows
Mobile phone technology could help to beat bad practices in healthcare delivery, research led by the University of Edinburgh suggests.
European standards to prevent repeat heart attacks launched today
European standards to prevent repeat heart attacks are published today in the European Journal of Preventive Cardiology.
Bad seeds: How the parental lineage may determine viability in tomato hybrids
A group led by Thomas Städler at the Swiss Federal Institute of Technology, in collaboration with researchers at the University of Zurich, has performed the first study to investigate the genome-wide changes from interbreeding among closely related species of wild tomatoes.
In eastern Tibetan forest, signs of tree growth amid climate change
Word of mouth from nomadic herders led Lucas Silva into Tibetan forests and grasslands.
Aerosol emissions in East Asia driven by consumption in developed countries
Much of the influence on climate from air pollution in East Asia is driven by consumption in the developed countries of Western Europe and North America, according to research co-led by McGill University atmospheric scientist Yi Huang.
Farming adaptations needed to combat climate change to impact crop yields in 2050
As the globe continues to spin toward a future with higher temperatures, crop yields will likely decrease if farmers do not adapt to new management or technology practices.
Single HIV mutation induces distinct T cell immune responses
A research collaboration between groups in Japan, China, France, Kazakhstan, and the UK has discovered that a single T cell-selected HIV mutation can produce different T cell adaptations.
Water and light 'flow' inspire ultrasensitive optical microfiber coupler sensor
When a river narrows or two rivers run into each other and merge, the water flow's speed increases and it becomes much stronger.
Incubating climate change
A group of James Cook University scientists led by Emeritus Professor Ross Alford has designed and built an inexpensive incubator that could boost research into how animals and plants will be affected by climate change.
NASA science flights study effect of summer melt on Greenland ice sheet
Operation IceBridge, NASA's airborne survey of polar ice, is flying in Greenland for the second time this year, to observe the impact of the summer melt season on the ice sheet.
Hungry cells on the move
Researchers discover a signalling pathway that enables cells to reach their destinations through repulsion.
Incidence of venous thromboembolism in patients undergoing major hip surgeries at a single institution
Venous thoromboembolism (VTE) is one of the most significant complications after hip surgeries.
Tumor microenvironment acts as a mechanism of resistance to chemotherapy
Researchers from IDIBELL have published a new Oncotarget paper that highlights the importance of tumor environment as a source of resistance to treatment in colorectal cancer, the fourth most common cancer and the leading cause of cancer death worldwide.
Flycatcher genome sheds light on causes of mutations
A research team at Uppsala University has determined the complete genetic code of 11 members of a flycatcher pedigree.
Review highlights the range of negative health effects linked with red meat consumption
A new review provides a comprehensive summary of the potential negative health effects of eating red meat.
NREL discovery creates future opportunity in quantum computing
Scientists at the Energy Department's National Renewable Energy Laboratory (NREL) discovered a use for perovskites that runs counter to the intended usage of the hybrid organic-inorganic material.
X-ray vision: Bomb techs strengthen their hand with Sandia's XTK software
An image-processing and analysis software developed at Sandia National Laboratories has swept the ranks of the country's bomb squads.
Evidence of Zika virus found in tears
Zika virus is capable of infecting the eye, according to a study by researchers at Washington University School of Medicine in St.
UTA researchers' papers find concept of using light to image, potentially treat PTSD
After years of studying the effects of near-infrared light on veterans with post-traumatic stress disorder or traumatic brain injuries, a team led by a University of Texas at Arlington bioengineer has published groundbreaking research in Nature's Scientific Reports that could result in an effective, long-term treatment for brain disorders.
Canada needs a national suicide prevention strategy
Canada needs a national suicide prevention strategy, and it should be included in the 2017 federal budget, argues an editorial in CMAJ (Canadian Medical Association Journal).
Location matters in the self-assembly of nanoclusters
Scientists at Iowa State University have developed a new formulation that helps to explain the self-assembly of atoms into nanoclusters and to advance the scientific understanding of related nanotechnologies.
Cesarean delivery may lead to increased risk of obesity among offspring
Individuals born by cesarean delivery were 15 percent more likely to become obese as children than individuals born by vaginal birth -- and the increased risk may persist through adulthood, according to a large new study from Harvard T.H.
Beat the stock market by satisfying customers
Satisfy your customers and win in the stock market, says a new study by a team of researchers from Michigan's University Research Corridor, who found positive stock returns on customer satisfaction far out-distance competitive market measures that have been in play for more than half a century.
Seed quality topic of symposium
Good soil, water and environmental factors cannot overcome poor seed quality.
Pushing a parasite from land to sea
Higher levels of rainfall and coastal development increase the risk of disease-causing organisms flowing to the ocean, according to a study from the University of California, Davis. The study advances earlier work by tracking the parasite T. gondii to see how human-driven land-use change and rainfall might be impacting pathogen movement from land to sea.
Many college students take remedial courses, but only some benefit, researchers find
Steering new college students into remedial classes can boost a poorly prepared student's chances of success, but doesn't appear to benefit students with a stronger academic background, RTI International researchers found.
Mouse studies show experimental TB treatment may do more harm than good
Johns Hopkins researchers report evidence from mouse studies that a 'repurposed' drug that would be expected to improve the immune system response of tuberculosis patients may be increasing resistance to the antibiotic drugs these patients must also take.
Gentle vibe designed to give docs smoother moves
The National Science Foundation has backed a Rice University team inventing a haptic feedback system to help train doctors to perform endovascular surgeries.
Researchers design solids that control heat with spinning superatoms
Superatom crystals are periodic arrangements of C60 fullerenes and similarly sized inorganic molecular clusters.
Research reveals artificial thyroid cancer epidemic
Research led by The Australian National University has found doctors around the world are over diagnosing the most common thyroid cancer, creating an artificial epidemic that costs billions of dollars each year in unnecessary medical costs.
Throughout history humans have preferred their pigs to be black, suggests study
An international team of researchers studied the mitochondrial DNA and MC1R gene sequences in tissue samples collected from 57 modern feral Hawaiian pigs.
Family caregivers for patients with cancer experience high levels of anxiety, depression
A new multi-state survey shows that nearly one-quarter to one-third of family caregivers of patients with high-mortality cancers experience high levels of depression and anxiety symptoms.
YouTube videos promote positive associations with alcohol use
'F**k it! Let's get to drinking -- poison our livers!' According to researchers at the UK Centre for Tobacco and Alcohol Studies, lyrics such as these in YouTube music videos may harmfully influence adolescents in Britain.
Wits University scientists predict the existence of a new boson
Using data from a series of experiments that led to the discovery and first exploration of the Higgs boson at the European Organization for Nuclear Research (CERN) in 2012, scientists at the High Energy Physics Group of the University of the Witwatersrand in Johannesburg predict the existence of a new boson that might aid in the understanding of dark matter in the universe.
Early study shows RTS,S malaria vaccine efficacy may improve by changing dosing schedule
Researchers at the Walter Reed Army Institute of Research (WRAIR) and collaborators recently published results of a phase II study which demonstrated that by changing the dosing regimen, the efficacy of malaria vaccine candidate, RTS,S/AS01, was improved to approximately 87 percent, compared with 63 percent using the current standard regimen.
$25 million gift to establish new dental school in Texas
Texas Tech University Health Sciences Center El Paso is set to house Texas' fourth dental school, thanks to a $25 million gift from the Woody and Gayle Hunt Family Foundation.
Screening for suicidal thoughts and behaviors declines with patient age
In a recent analysis of patient charts from eight different emergency departments, documented screening for self-harm, suicide ideation, or suicide attempts declined with age, from approximately 81 percent in younger age groups to a low of 68 percent among those aged greater than or equal to 85 years.
Structure of mammalian protein complex of respiratory chain solved at atomic level
The mitochondrial Complex I plays a central role in cellular respiration and energy metabolism.
Age before youth: Older cranes lead the way to new migration patterns
Bird migration patterns are changing rapidly worldwide due to climate and land use changes, and in the case of the endangered whooping crane, its age before youth, leading the way.
Cyber Security Survey reveals darknet use higher among 18- to 24-year-olds
The survey, now in its third year, also revealed that at least 4 percent of British adults have been victims of ransomware, where their computer has had malware installed, which encrypts their data and then faced demands for a payment to restore it back to normal.
ESMO Women for Oncology awards Sumitra Thongprasert
Professor Sumitra Thongprasert has been awarded the second ESMO Women for Oncology award, honoring her position as a role model for women in the profession and for her distinguished career.

Top Science Podcasts

We have hand picked the top science podcasts of 2019.
Now Playing: TED Radio Hour

In & Out Of Love
We think of love as a mysterious, unknowable force. Something that happens to us. But what if we could control it? This hour, TED speakers on whether we can decide to fall in — and out of — love. Guests include writer Mandy Len Catron, biological anthropologist Helen Fisher, musician Dessa, One Love CEO Katie Hood, and psychologist Guy Winch.
Now Playing: Science for the People

#541 Wayfinding
These days when we want to know where we are or how to get where we want to go, most of us will pull out a smart phone with a built-in GPS and map app. Some of us old timers might still use an old school paper map from time to time. But we didn't always used to lean so heavily on maps and technology, and in some remote places of the world some people still navigate and wayfind their way without the aid of these tools... and in some cases do better without them. This week, host Rachelle Saunders...
Now Playing: Radiolab

Dolly Parton's America: Neon Moss
Today on Radiolab, we're bringing you the fourth episode of Jad's special series, Dolly Parton's America. In this episode, Jad goes back up the mountain to visit Dolly's actual Tennessee mountain home, where she tells stories about her first trips out of the holler. Back on the mountaintop, standing under the rain by the Little Pigeon River, the trip triggers memories of Jad's first visit to his father's childhood home, and opens the gateway to dizzying stories of music and migration. Support Radiolab today at Radiolab.org/donate.