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Science News | Science Current Events | Brightsurf | September 25, 2017


SNAP enrollment associated with reduced health care spending among poor
Enrollment in the Supplemental Nutrition Assistance Program (SNAP), the nation's largest program aimed at alleviating food insecurity, was associated with reduced health care spending by low-income adults in the United States over a two-year period, according to a new study published by JAMA Internal Medicine.
Newly revealed autism-related genes include genes involved in cancer
Researchers in Italy have applied a computational technique that accounts for how genes interact, to find new networks of related genes that may be involved in autism spectrum disorder.
Autism's gender patterns
Having one child with autism is a well-known risk factor for having another one with the same disorder, but whether and how a sibling's gender influences this risk has remained largely unknown.
Cancer vaccines need to target T cells that can persist in the long fight against cancer
Cancer vaccines may need to better target T cells that can hold up to the long fight against cancer, scientists report.
Information processing breakdown in sleep-deprived rats
Sleep deprivation may disrupt the brain's ability to integrate information over time, potentially contributing to the decline in cognitive performance observed during extended time awake, suggests a study in rats published in JNeurosci.
Study: There is almost no research on what distinguishes potential terrorists
A recent analysis of the existing research on factors associated with an individual's risk for engaging in terrorist activity highlights how little we know about these factors and the need for additional research in this area.
Child abuse affects brain wiring
For the first time, researchers have been able to see changes in the neural structures in specific areas of the brains of people who suffered severe abuse as children.
New type of supercomputer could be based on 'magic dust' combination of light and matter
A team of researchers from the UK and Russia have successfully demonstrated that a type of 'magic dust' which combines light and matter can be used to solve complex problems and could eventually surpass the capabilities of even the most powerful supercomputers.
Woman develops rare life-threatening condition after liposuction
A 45-year-old woman developed a serious life-threatening condition after having liposuction, reveal doctors in the journal BMJ Case Reports.
Open-ended laboratory tests for cyclists could help athletes train better
Scientists at the University of Kent's School of Sport and Exercise Sciences have discovered that cyclists can perform better when they do not have to pace their efforts.
A brain-system that builds confidence in what we see, hear and touch
A series of experiments at EPFL provide conclusive evidence that the brain uses a single mechanism (supramodality) to estimate confidence in different senses such as audition, touch, or vision.
Semitransparent and flexible -- Solar cells made from atomically thin sheet
A new method for fabricating semitransperant, flexible solar cells has greatly improved power conversion efficiency.
Poll: More than two-thirds of Republicans want Congress to enact an ACA alternative
According to a new POLITICO/Harvard T.H. Chan School of Public Health poll, more than two-thirds (71 percent) of Republicans want Congress to try again to enact an alternative to the Affordable Care Act (ACA).
Filter may be a match for fracking water
A superhydrophilic filter produced by Rice University scientists has proven able to remove more than 90 percent of contaminants from water used in hydraulic fracturing operations at shale oil and gas wells.
For a better 'I,' there needs to be a supportive 'we'
If you're one of those lucky individuals with high motivation and who actively pursues personal growth goals, thank your family and friends who support you.
Researchers aim to improve gut health of livestock animals
Researchers at the University of Delaware are looking at ways to improve gut health of livestock animals.
Oxygen-deficient dwarf galaxy hints at makings of early universe
Astronomers have long searched for understanding of how the universe assembled from simplicity to complexity.
UNLV study reveals breakthrough in decoding brain function
After four years of lab testing and complex neuro-decoding, a research team led by UNLV psychology professor James Hyman has struck a major breakthrough that could open the floodgates for research into the anterior cingulate cortex, or ACC, and how human brains learn.
Ethnic minorities and the elderly are underrepresented in cancer clinical trials
Many ethnic minority groups and elderly Americans are underrepresented in cancer clinical trials, according to results of a study presented at the 10th AACR Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, held here Sept.
Certain vaginal bacteria may be linked with increased risk of chlamydia
The presence of specific types of vaginal bacteria may be associated with an increased risk for chlamydia infection, finds a small, but well powered study published online in Sexually Transmitted Infections.
Study finds up to one-quarter of cancer patients use marijuana
A new study conducted in a cancer center in a state with legalized medicinal and recreational marijuana found that approximately one-quarter of surveyed patients used marijuana in the past year, mostly for physical and psychological symptoms.
World's botanic gardens contain a third of all known plant species, and help protect the most threatened
The most in-depth species survey to date finds an 'astonishing array' of plant diversity in the global botanic garden network, including 41 percent of all endangered species.
Creative Use of Noise Brings Bio-Inspired Electronic Improvement
Researchers at Osaka University in Japan are working to exploit stochastic resonance to enhance signal transmission for a new generation of devices, using single-walled carbon nanotubes.
Antarctica: The wind sublimates snowflakes
A team of researchers has collected new data that shows a significant decrease in snow precipitation close to the ground in Antarctica, which has an impact on the ice sheet surface mass balance.
Brain damage in fish affected by plastic nanoparticles
A new study from Lund University in Sweden shows that plastic particles in water may end up inside fish brains.
UNIST presents new synthesis method for click chemistry
South Korea's Ulsan National Institute of Science and Technology has presented a new way to advance click chemistry.
Patients undergoing out-of-hospital cardiac arrest do not benefit from ACLS during transport
There is no association between prehospital advanced cardiac life support (ACLS) and survival to hospital discharge in patients suffering from out-of-hospital cardiac arrest.
Are children who see movie characters use guns more likely to use them?
Children who watched a PG-rated movie clip containing guns played with a disabled real gun longer and pulled the trigger more often than children who saw the same movie not containing guns, according to the results of a randomized experiment published in a new article by JAMA Pediatrics.
Maternal diet could affect kids' brain reward circuitry
Researchers in France found that rats who ate junk food during pregnancy had heavier pups that strongly preferred fat straight after weaning.
Fresh blood for damaged tissues via alginate hydrogels
A team at the Wyss Institute for Biologically Inspired Engineering led by David Mooney Ph.D., a Founding Core Faculty of the Wyss and the Robert P.
Thinking 'out-of-the-box' may build a better brain and prevent dementia
With disease-modifying treatment trials for Alzheimer's disease (AD) currently unsuccessful and only medications to treat symptoms available, what now?
Novel protein interactions explain memory deficits in Parkinson's disease
A study published in the journal Nature Neuroscience, from Nature publishing group, describes the identification of a novel molecular pathway that can constitute a therapeutic target for cognitive defects in Parkinson's disease.
Study examines legacies of rainforest burning in British Columbia
Analyses of temperate rain forests located on the central coast of British Columbia, Canada, suggest that for centuries, humans have intentionally used fire to manage plant life.
Internists reaffirm 'strongest possible opposition' to Graham-Cassidy proposal
In a letter to Majority Leader Mitch McConnell and Minority Leader Charles Schumer today, the American College of Physicians (ACP) reaffirmed its strongest possible opposition to the Graham-Cassidy-Heller-Johnson (GCHJ) proposal, especially considering changes released last night to the bill that would be even more harmful to patients.
NASA sees short-lived Tropical Depression 22W make landfall
NASA's Terra satellite captured the landfall of Tropical Depression 22W in northern Vietnam.
Halving radiation therapy for HPV-related throat cancer offers fewer side effects, similar outcomes
Mayo Clinic researchers have found that a 50 percent reduction in the intensity and dose of radiation therapy for patients with HPV-related throat cancer reduced side effects with no loss in survival and no decrease in cure rates.
The rat race is over: New livestock model for stroke could speed discovery
Researchers at the University of Georgia's Regenerative Bioscience Center have developed the first US pig model for stroke treatments.
Better pancakes through chemistry (video)
Everyone seems to swear by a different pancake recipe. How can you griddle up the perfect pancakes for your Saturday morning breakfast?
Organ donation in Ontario increased 57 percent since 2006 after new Canadian donation policy
Organ donation in Ontario increased 57 percent since 2006 when the province introduced a Canadian policy that allows donation of organs after circulatory functions cease, called circulatory determination of death, according to a new study published in CMAJ.
NTU scientists develop patch which could improve healing and reduce scarring
Scientists from Nanyang Technological University, Singapore (NTU Singapore) have developed a new gel patch prototype that could speed up the healing of a skin wound while minimising the formation of scars.
Auxin drives leaf flattening
Scientists from the Institute of Genetics and Developmental Biology in Beijing discovered that the classical phytohormone auxin enables leaf blade expansion and leaf flattening.
Prenatal weight talks are easier with props
Weight is such a hot topic, some providers are uncomfortable talking about it with patients, even during pregnancy.
Gene therapy improved left ventricular and atrial function in heart failure by up to 25 percent
Heart function improved by up to 25 percent in a trial using gene therapy to reverse cardiac damage from congestive heart failure in a large animal model, Mount Sinai researchers report.
80 percent of activity tracker users stick with the devices for at least 6 months
Use of activity trackers, such as wearable devices and smartphone apps, is on the rise, and a new study shows that 80 percent of users stuck with the device for at least six months.
Streamlined process opens drug development to a new class of steroids
Researchers at Dartmouth College have developed a technique to produce synthetic steroids that could pave the way for a cascade of new drug discoveries, significantly reducing the expense and time needed to develop therapeutics from an underexplored collection of molecules.
Clarifying perspectives to promote action on loss and damage from climate change
The hurricanes Harvey, Irma and Maria highlight the potential for the climate system to cause loss and damage.
Diet, in addition to alcohol consumption, may play important role in liver problems
A new study published in Alcohol and Alcoholism finds that mice bred to consume high amounts of alcohol, but controlled by diet, did not necessarily develop the most severe liver injuries, suggesting that diet may pay an important role in liver injury development.
Electronic triage tool improves patient care in emergency departments
When a patient arrives in any emergency department, one of the first steps in their care process is triage, an opportunity for a care team member to identify critically ill patients and assign priority treatment levels.
Supplemental Nutritional Assistance Program participation may reduce health care costs
A study led by a Massachusetts General Hospital investigator suggests that participation in the Supplemental Nutritional Assistance Program -- formerly known as the Food Stamp Program -- may reduce health care costs for recipients.
Visual attention drawn to meaning, not what stands out
Our visual attention is drawn to parts of a scene that have meaning, rather than to those that are salient or 'stick out,' according to new research from the Center for Mind and Brain at UC Davis.
High-fidelity recording of molecular geometry with DNA 'nanoscopy'
A team at Harvard's Wyss Institute of Biologically Inspired Engineering led by core faculty member Peng Yin, Ph.D., has now developed a DNA nanotechnology-based method that allows for repeated, non-destructive recording of uniquely barcoded molecular pairings, rendering a detailed view of their components and geometries.
Study raises expectations for improved language skills in the deaf and hard-of-hearing
Universal screening of newborns for hearing loss before they leave the hospital is not enough to improve language skills of children who are deaf and hard of hearing.
Click beetles inspire design of self-righting robots
Robots perform many tasks that humans can't or don't want to perform, getting around on intricately designed wheels and limbs.
Getting the measure of mud
For the first time, researchers have been able to use mud deposited on the depths of the ocean floor to measure changes in the speed of deep-sea currents.
Violent crime increases during warmer weather, no matter the season, study finds
A study analyzing crime data in Philadelphia for 10 years found that rates of violent crime and disorderly conduct are higher when the weather is warmer and more pleasant, even rising sharply during warmer-than-typical winter days.
The Mars 2020 Rover features new spectral abilities with its new SuperCam
Sscientists are building the next generation's ChemCam with impressive upgrades and brand new spectral capabilities for the NASA Mars 2020 rover.
Bone marrow concentrate improves joint transplants
Biologic joint restoration using donor tissue instead of traditional metal and plastic may be an option for active patients with joint defects.
Four elements make 2-D optical platform
Rice scientists have discovered a two-dimensional, four-component alloy with an optical bandgap that can be tuned by the temperature used to grow it via chemical vapor deposition.
The fastest light-driven current source
Controlling electronic current is essential to modern electronics, as data and signals are transferred by streams of electrons which are controlled at high speed.
Scientists monitor Silicon Valley's underground water reserves -- from space
Scientists monitoring Silicon Valley's underground water reserves from space have found that water levels rebounded quickly after a severe drought that lasted from 2012-15.
Metabolism directly impacts the odds of developing malaria
Researchers have found that the host's susceptibility to develop malaria depends on his or her metabolic state, which can be easily manipulated through external stimuli such as dietary patterns.
Holograms for molecules
Scientists at ETH Zurich and Roche have developed a completely new method for the analysis of molecules in liquids on a chip.
IceCube helps demystify strange radio bursts from deep space
A University of Wisconsin-Madison physicist and his colleagues are turning IceCube, the world's most sensitive neutrino telescope, to the task of helping demystify powerful pulses of radio energy generated up to billions of light-years from Earth.
Religiously tailored educational intervention lead more Muslim women to get mammograms
A religiously sensitive educational effort designed to address barriers to mammography for Muslim women increased the women's perceived likelihood of getting the breast screening and their eventual receipt of mammograms, according to results of a study presented at the 10th AACR Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, held here Sept.
Researchers identify gene variants linked to a high-risk children's cancer
Pediatric researchers investigating the childhood cancer neuroblastoma have identified common gene variants that raise the risk of an aggressive form of that disease.
The material that obscures supermassive black holes
Cristina Ramos Almeida, researcher at the IAC, and Claudio Ricci, from the Institute of Astronomy of the Universidad Católica de Chile, publish a review in Nature Astronomy of the most recent results on the material that obscures active galactic nuclei obtained from infrared and X-ray observations, their respective fields of research.
Climate insurance is rarely well thought out in agriculture
Internationally subsidised agricultural insurance is intended to protect farmers in developing countries from the effects of climate change.
A 'social control' system guarantees embryonic stem cell purity
A sophisticated system of 'social control' operating between neighboring cells allows embryos to protect the purity of their pluripotent cell population, which is able to generate all body tissues.
Prostaglandin EI inhibits leukemia stem cells
Two drugs, already approved for safe use in people, may be able to improve therapy for chronic myeloid leukemia (CML), a blood cancer that affects myeloid cells, according to results from a University of Iowa study in mice.
Goodbye, login. Hello, heart scan.
Forget fingerprint computer identification or retinal scanning. A University at Buffalo-led team has developed a computer security system using the dimensions of your heart as your identifier.
Discovered: Gene associated with schizophrenia risk regulates early brain development
A gene associated with the risk of schizophrenia regulates critical components of early brain development, according to a new study led by researchers from Penn State University.
Organic consumers mean business
Groundbreaking research from Aarhus BSS shows that organic consumers are standing fast and are buying more and more organic products following an increasingly predictable pattern.
Creating brain cells to detect Tourette's
Scientists at Rutgers University-New Brunswick are the first to use a genetic engineering which led to a Nobel Prize in 2012 for the Japanese and British scientists who discovered it to create brain cells from the blood cells of individuals in a three-generation family with Tourette's syndrome to help determine what causes the disease.
Psychological impacts of natural disasters on youth
Professor of Psychology/Pediatrics, University of Miami, Annette M. La Greca, is fully aware of children's reaction to trauma.
Mayo study shows drug slows stomach emptying, may individualize obesity treatment
Liraglutide injection, a prescription medication used to treat type 2 diabetes and obesity is associated with marked slowing of stomach emptying and is an effective weight loss therapy.
Drug targeting technique could aid therapies for immune diseases
A new technique that targets drugs to specific cells could lead to improved therapies for diseases caused by an overactive immune response.
Brain guides body much sooner than previously believed
The brain plays an active role much earlier than previously thought.
People are reluctant to use public defibrillators to treat cardiac arrests
A study led the University of Warwick suggests that people are reluctant to use public-access defibrillators to treat cardiac arrests.
Tension makes the heart grow stronger
By taking videos of a tiny beating zebrafish heart as it reconstructs its covering in a petri dish, scientists have captured unexpected dynamics of cells involved in tissue regeneration.
Early odor exposure enhances response of smell cells
Mice exposed to scents of mint or fresh cut grass before and shortly after birth show increased responses in a specific population of odor-processing neurons to a variety of odors, according to new research published in eNeuro.
Do you really need that MRI?
Do you really need that MRI? Your doctor may order an MRI based on factors other than your actual medical need for imaging, researchers in UT Southwestern's Center for Patient-Centered Outcomes Research found.
What should doctors do when parents request 'second best' treatments for their children?
What should doctors do when parents request treatments for their children that are less effective than those recommended?
Trial confirms pelvic radiation as standard of care for high-risk endometrial cancer
In a new phase III trial report from the National Clinical Trial Network group, NRG Oncology, recurrence-free and overall survival rates for women with stage I-II high-risk endometrial cancer were not superior following vaginal cuff brachytherapy plus chemotherapy when compared with pelvic radiation therapy.
A preparative-scale reaction using platinum clusters with a single-digit atomicity realized
Scientists at Tokyo Institute of Technology (Tokyo Tech) have recently developed a fully scalable method for the synthesis of atom-precise platinum clusters for potential use in catalytic applications.
Minority public managers prefer integrating social equity, traditional public values
Minority public managers place more emphasis on both traditional values, like efficiency and effectiveness, and social equity when compared with their white counterparts, according to a new study that includes a University of Kansas researcher and two fellow KU alumni.
New delayed-release stimulant improves morning ADHD symptoms and all-day functioning
A phase 3 study of children ages 6-12 years with attention deficit/hyperactivity disorder (ADHD) has shown that a delayed-release, long-acting formulation of the stimulant methylphenidate, when taken in the evening, led to significant improvement in ADHD symptoms and functional impairment first thing the next morning, compared to a placebo.
NASA catches Tropical Depression Pilar hugging and soaking Mexico's coast
Tropical Storm Pilar formed near the southwestern coast of Mexico on Saturday, Sept.
After 15 years in a vegetative state, nerve stimulation restores consciousness
A 35-year-old man who had been in a vegetative state for 15 years after a car accident has shown signs of consciousness after neurosurgeons implanted a vagus nerve stimulator into his chest.
Penguin-mounted video captures gastronomic close encounters of the gelatinous kind
Footage from penguin-mounted mini video recorders shows four species of penguin eating jellyfish and other gelatinous animals of the open ocean, a food source penguins were not previously believed to partake of, scientists report this month in the Ecological Society of America's peer-reviewed journal Frontiers in Ecology and the Environment.
Climate change can goad volcanoes into life
Geologists from UNIGE, working with the University of Orléans, University Pierre and Marie Curie and the ICTJA-CSIC Institute analyzed volcanic data from the Messinian salinity crisis in the Mediterranean Sea, when the Strait of Gibraltar was blocked and the Mediterranean temporarily isolated from the Atlantic.
UNIST researchers develop wearable solar thermoelectric generator
South Korea's Ulsan National Institute of Science and Technology has introduced a new advanced energy harvesting system, capable of generating electricity by simply being attached to clothes, windows, and outer walls of a building.
Human antibodies from dengue patients can effectively treat Zika infection in mice
Scientists have discovered that antibodies taken from patients infected with dengue virus are effective in treating Zika infection in rodents.
Discovering what makes organelles connect could help understand neurodegenerative diseases
Organelles must exchange signals and materials to make the cell operate correctly.
People of Mexican decent in US have more liver cancer risk factors than those living in Mexico
Mexican-Americans living in the United States demonstrated more risk factors for liver cancer than their counterparts in Mexico, according to results of a study presented at the 10th AACR Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, held here Sept.
Multinationals operating in tax havens avoid reporting specifics, finds study
In the era of a renewed spotlight on offshore tax havens, a new study suggests US tax reporting rules still make it easy for corporations to quietly shift and shelter profits in low-tax jurisdictions, avoiding public scrutiny.
Study finds being in a good mood for your flu jab boosts its effectiveness
New research by a team of health experts at the University of Nottingham has found evidence that being in a positive mood on the day of your flu jab can increase its protective effect.
MRI contrast agent locates and distinguishes aggressive from slow-growing breast cancer
A new magnetic resonance imaging contrast agent being tested by researchers at Case Western Reserve University not only pinpoints breast cancers at early stages but differentiates between aggressive and slow-growing types.
Regenerating tissues with gene-targeting molecules
Researchers in Japan constructed a synthetic molecule that can recognize and bind with a specific DNA sequence and promotes differentiation of hiPSCs into heart muscle cells.
Researchers developing new technique that uses light to separate mirrored molecules
Left- and right-handed versions of molecules can be hard to tell apart but can have devastatingly different effects.
Antibody protects against Zika and dengue, mouse study shows
The same countries hard hit by Zika virus -- which can cause brain damage in babies infected before birth -- are also home to dengue virus.
Nanoparticle supersoap creates 'bijel' with potential as sculptable fluid
A new type of 'bijel' created by Berkeley Lab scientists could one day lead to applications in soft robotics, liquid circuitry, and a host of other applications that could benefit from shape-shifting fluids.
UC research shows ticks are even tougher and nastier than you thought
Studies by the University of Cincinnati are showing how ticks can survive drought and cold northern winters.
Photoacoustic imaging and photothermal cancer therapy using BR nanoparticles
Sangyong Jon, a professor in the Department of Biological Sciences at KAIST, and his team developed combined photoacoustic imaging and photothermal therapy for cancer by using Bilirubin (BR) nanoparticles.
KAIST-NTU researchers overturn the theory of Parkinson's disease
A KAIST research team has identified a new mechanism that causes the hallmark symptoms of Parkinson's disease, namely tremors, rigidity, and loss of voluntary movement.
Panda habitat shrinking, becoming more fragmented
Using remote sensing data, Chinese and US scientists have re-assessed the conservation status of the giant panda.
Study identifies likely scenarios for global spread of devastating crop disease
New research reveals the most likely months and routes for the spread of new strains of airborne 'wheat stem rust' that could endanger global food security by ravaging wheat production across Africa, the Middle East, Asia and the wider world.
Scientists call for more research on how human activities affect the seabed
A group of UK scientists, coordinated by the University of Southampton, has published extensive research into how industry and environmental change are affecting our seafloors, but say more work is needed to help safeguard these complex ecosystems and the benefits they provide to people for the future.
Big brains in birds provides survival advantage: Washington University study in Nature journal
In a study whose embargo lifts Sept. 25, Washington University in St.
UC San Diego researchers explain the mechanism of asexual reproduction in flatworms
Scientists have nailed the biomechanics of a centuries-long puzzle on how freshwater flatworms known as planarians reproduce.
Three or more cups of coffee daily halves mortality risk in patients with both HIV and HCV
Patients infected by both HIV and hepatitis C virus are at specific risk of end-stage liver disease and greater risk of cardiovascular diseases and cancer.
Tackle and scrum should be banned in school rugby, argue experts
Tackle and scrum should be banned in school rugby, argue experts in The BMJ today.
With extra sugar, leaves get fat too
Eat too much without exercising and you'll probably put on a few pounds.
Shorter course of radiation treatment safe for breast cancer patients under 50
A higher-dose, shorter form of radiation is safe, effective, and no more damaging to the breast tissue or skin of breast cancer patients under age 50 than it is in older patients.
Scientists discover genes are controlled by 'nano footballs'
Research at the University of York has revealed that genes are controlled by 'nano footballs' -- structures that look like footballs but 10 million times smaller than the average ball.
Can stevia help treat metabolic syndrome?
Increasingly popular as a calorie-free sweetener, steviol, as well as other extracts of the Stevia rebaudiana (SR) plant have pharmacological and therapeutic activity, including effects that make them natural alternatives for treating obesity, hypertension, and elevated levels of blood sugar and lipids, all disorders associated with metabolic syndrome.
NASA-NOAA's Suomi NPP Satellite gets two looks at Hurricane Maria
Hurricane Maria was analyzed in visible and infrared light as NASA-NOAA's Suomi NPP passed overhead over two days.
Lee reborn as a tiny zombie hurricane in central Atlantic
Former Tropical Storm Lee was almost forgotten when hurricanes Irma, Jose and Maria struck the US because it weakened to a remnant low pressure area and lingered quietly in the central Atlantic.
How vision shapes touch
A neuroimaging study published in JNeurosci reveals the neural network responsible for attributing the sense of touch to a location in space develops and operates differently in individuals blind from birth compared to sighted individuals.
Tumor microenvironment of TNBC varies between African-American and European-American women
The presence of tumor-infiltrating lymphocytes (TILs) varied significantly in the tumors of African-American and European-American women with triple negative breast cancer (TNBC), suggesting that TILs may be a useful prognostic biomarker, according to the results of a study presented at the Tenth AACR Conference on The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved, held here Sept.
Group project? Taking turns, working with friends may improve grades
A University of Washington-led study of college students has found that the social dynamics of a group, such as whether one person dominates the conversation or whether students work with a friend, affect academic performance.
Breast cancer patients largely find radiation therapy experience better than expected
A new survey finds breast cancer patients' actual radiation therapy experiences largely exceeded their expectations.
Bacterial nanosized speargun works like a power drill
In order to get rid of unpleasant competitors, some bacteria use a sophisticated weapon -- a nanosized speargun.
Escaping wildfires
The U-led study is the first attempt to map escape routes for wildland fire fighters from an aerial perspective.
Lactation hormone also helps a mother's brain
The same hormone that stimulates milk production for lactation, also acts in a particular part of the brain to help establish the nurturing link between mother and baby, researchers from New Zealand's University of Otago have revealed for the first time.

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