Brightsurf Science News & Current Events

February 08, 2017
ADA funds Kostic Lab to create model linking the microbiome to type 1 diabetes
The ADA has awarded Aleksandar Kostic Ph.D. $1.625 million for the development of a novel experimental system designed to improve our understanding about how bacteria in the gut (the gut 'microbiome') may contribute to the autoimmune attack that leads to type 1 diabetes.

Gold standard monitoring of HCC in patients with cirrhosis is cost-effective
Hepatocellular carcinoma (HCC) is the leading cause of death in patients with cirrhosis.

Calcified plaque raises heart disease risk for young adults
A major report led by Vanderbilt investigators found that the mere presence of even a small amount of calcified coronary plaque, more commonly referred to as coronary artery calcium (CAC), in people under age 50 -- even small amounts -- was strongly associated with increased risk of developing clinical coronary heart disease over the ensuing decade.

New stem cell technique shows promise for bone repair
A new study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST), has introduced a new method of repairing injured bone using stem cells from human bone marrow and a carbon material with photocatalytic properties

New design tools bring large-area LED products on the market with speed, quality and lower costs
VTT Technical Research Centre of Finland develops novel LED light sources based on large, flexible and transparent substrates in collaboration with the Finnish companies Flexbright and Lighting Design Collective.

Data on blue whales off California helps protect their distant relatives
A research team has found a way to translate their knowledge of blue whales off California and in the eastern tropical Pacific Ocean to the other side of the world, revealing those areas of the Northern Indian Ocean where whales are likely to be encountered.

Scientists identify mechanisms driving gut bacterial imbalance and inflammation
A study led by UT Southwestern Medical Center researchers has uncovered key molecular pathways behind the disruption of the gut's delicate balance of bacteria during episodes of inflammatory disease.

Many older adults with epilepsy may not be receiving optimal care
Many older adults with newly diagnosed epilepsy in the United States are being prescribed older anti-epileptic drugs (AEDs), and only half begin treatment with AEDs within the first 30 days of a potential epilepsy diagnosis.

Lack of transportation limits healthy food access among Washington State residents
Having convenient or reasonable access to supermarkets is often associated with healthier diets and a lower risk for obesity among neighborhood residents.

Study provides insights on optimal treatment of Paget's disease of bone
In a study of patients with Paget's disease of bone--a common skeletal disorder that can lead to bone deformity, fractures, osteoarthritis, and bone pain -- long-term intensive bisphosphonate therapy conferred no clinical benefit over giving bisphosphonates only when patients felt bone pain.

Troubling inconsistency found in dialysis testing methods -- with patient care implications
A blood test used to determine the health and well-being of dialysis patients produces worryingly inconsistent results depending on which testing method is used, new research reveals.

Snow leopard and Himalayan wolf diets are about one-quarter livestock
Around a quarter of Himalayan snow leopard and wolf diets are livestock, the rest being wild prey, according to a study published Feb.

Blood test may help differentiate Parkinson's from similar diseases
A simple blood test may be as accurate as a spinal fluid test when trying to determine whether symptoms are caused by Parkinson's disease or another atypical parkinsonism disorder, according to a new study published in the Feb.

JNeurosci: Highlights From the Feb. 8 Issue
Check out these newsworthy studies from the Feb. 8, 2017, issue of JNeurosci.

NIH study reveals how melanoma spreads
Newly identified genes and genetic pathways in primary melanoma -- a type of skin cancer -- could give researchers new targets for developing new personalized treatments for melanoma, and potentially other cancers.

Decoding ocean signals
Geographer Tim DeVries and colleagues determine why the ocean has absorbed more carbon over the past decade.

Students who enjoy or take pride in math have better long-term math achievement
A study of 3,425 German students from grades 5 through 9 has found that students who enjoyed and took pride in math had even better achievement than students with higher intelligence.

Refined method offers new piece in the cancer puzzle
A special spectrometry method that is normally used in analyses of computer chips, lacquers and metals has been further developed at the University of Gothenburg so that it can help researchers better detect harmful cells in the body.

Suzanne Gage receives 2016 AAAS Early Career Award for Public Engagement with Science
Suzanne Gage, a scientist whose podcast, 'Say Why To Drugs,' has received over 264,000 listens, has been chosen by the American Association for the Advancement of Science (AAAS) to receive the 2016 Early Career Award for Public Engagement with Science.

New evidence in favor of dark matter: The bars in galaxies are spinning more slowly than we thought
An article recently published in the Astrophysical Journal by a team of IAC researchers show that bars in galaxies are rotating much more slowly than had been inferred by previous works.

Measuring time without a clock
EPFL scientists have been able to measure the ultrashort time delay in electron photoemission without using a clock.

Media research: For readers, print has priority
Readers of newspapers prefer -- paper. In relation to the time they devote to their favorite papers, the digital editions play only a marginal role.

Pioneering chip extends sensors' battery life
A low-cost chip that enables batteries in sensors to last longer, in some cases by over ten times, has been developed by engineers from the University of Bristol.

Designer compound may untangle damage leading to some dementias
National Institutes of Health-funded researchers showed that they could prevent and reverse some of the brain injury caused by the toxic form of a protein called tau.

Archaeologists find 12th Dead Sea Scrolls cave
Hebrew University archaeologists have found a cave that previously contained Dead Sea scrolls, which were looted in the middle of the 20th Century.

Sheet bulk metal forming research gains €4.7 million in funding
An outstanding success for Friedrich-Alexander-Universität Erlangen-Nürnberg -- the German Research Foundation has extended the Collaborative Research Centre SFB/TRR 73 which will be funded with approximately €4.7 million over the next four years.

UNIST engineers oxide semiconductor just single atom thick
A new study, affiliated with South Korea's Ulsan National Institute of Science and Technology, has introduced a new technique that efficiently isolates circulating tumor cells from whole blood at a liquid-liquid interface.

How can marijuana policy protect the adolescent brain?
As more states begin to legalize the use of marijuana, more young people may believe that it's safe to experiment with the drug.

New study finds that eating whole grains increases metabolism and calorie loss
Substituting whole grains for refined grains in the diet increases metabolism and calorie losses during digestion.

How to decrease the mass of aircrafts
Members of the Department of Chemistry of Lomonosov Moscow State University have created unique polymer matrices for polymer composites based on novel phthalonitrile monomers.

Patient self checks are critical to avoid potentially deadly melanoma recurrence
Recurrences of early stage (stage II) melanoma are more often detected by patients and their physicians than by routine imaging tests, according to study results published online as an 'article in press' on the Journal of the American College of Surgeons website ahead of print publication.

Study provides new insight into different forms of heart failure
Using a novel noninvasive technique, a team of researchers led by a professor at the University of Texas Arlington's College of Nursing and Health Innovation has been able to measure oxygen consumption in the legs of heart failure patients, providing additional insight into this syndrome.

Pure iron grains are rare in the universe
Pure iron grains in interstellar space are far rarer than previously thought, shedding new light on the evolution history of matters in the universe.

Older adults who exercise regularly may lower chances for severe mobility problems
A team of researchers theorized that exercise might also help adults prevent or delay disabilities that interfere with independent living.

A middleweight black hole is hiding at the center of a giant star cluster
All known black holes fall into two categories: small, stellar-mass black holes weighing a few suns, and supermassive black holes weighing millions or billions of suns.

New study explores disparities between researchers who publish in high-and low-impact journals
A new study surveying authors from a range of countries investigates the crucial differences between authors who publish in high- and low-impact factor medical journals.

'Corrective glass' for mass spectrometry imaging
Researchers at the Max Planck Institute for Chemical Ecology in Jena, Germany, have now improved mass spectrometry imaging in such a way that the distribution of molecules can also be visualized on rippled, hairy, bulgy or coarse surfaces.

This Week from AGU: Greenland Ice Sheet melting can cool subtropics and alter climate
This Week from AGU: Greenland Ice Sheet melting can cool subtropics and alter climate.

New system makes it harder to track Bitcoin transactions
Researchers have developed a Bitcoin-compatible system that could make it significantly more difficult for observers to identify or track the parties involved in any given Bitcoin transaction.

Record-breaking material that contracts when heated
Nagoya University researchers discovered a negative thermal expansion material that shrinks by a record-breaking amount when heated, and which could help control materials' thermal expansion.

Daylight savings time impacts miscarriage rates among select IVF patients, study finds
Daylight savings time contributes to higher miscarriage rates among women undergoing IVF who had had a prior pregnancy loss according to new research out of Boston Medical Center and IVF New England.

'Who needs a flu shot? -- not me'
What impact do public health messages actually have on us?

UNIST to engineer dream diodes with a graphene interlayer
A new study, affiliated with South Korea's Ulsan National Institute of Science and Technology, has solved the contact resistance problem of metal-semiconductor, which had remained unsolved for almost 50 years.

Poor and less educated suffer the most from chronic pain
Poorer and less-educated older Americans are more like to suffer from chronic pain than those with greater wealth and more education, but the disparity between the two groups is much greater than previously thought, climbing as high as 370 percent in some categories, according to new research by a University at Buffalo medical sociologist.

Youth soccer coaches can prevent injuries with just 90 minutes of training
Professional preventive training programs can be expensive and difficult to implement.

A trust gap may hinder academic success for minorities
Middle school students of color who lose trust in their teachers due to perceptions of mistreatment from school authorities are less likely to attend college even if they generally had good grades, according to psychology research at The University of Texas at Austin published in the journal Child Development.

Study provides clues to the sex difference in dyslexia
For reasons that are unclear, males are diagnosed with dyslexia more often than females.

Syracuse University geochemist breathes new life into 'Great Oxidation Event'
A researcher in Syracuse University's College of Arts and Sciences is providing fresh insights into the 'Great Oxidation Event' (GOE), in which oxygen first appeared in the Earth's atmosphere more than 2.3 billion years ago.

Harsh parenting predicts low educational attainment through increasing peer problems
A new study of 1,482 students in Maryland has found that children exposed to harsh parenting are at greater risk of having poor school outcomes.

UMass Amherst boosts deep learning research with powerful new GPU cluster
With a new cluster of specialized graphics processing units (GPUs) now installed, the University of Massachusetts Amherst is poised to attract the nation's next crop of top Ph.D. students and researchers in such fields as artificial intelligence, computer vision and natural language processing, says associate professor Erik Learned-Miller of the College of Information and Computer Sciences (CICS).

New Oxford University study shows some animal welfare issues get more media
Researchers from Oxford's Wildlife Conservation Research Unit (WildCRU) and World Animal Protection have published the first review of how wild animal welfare is reported in the UK media.

Commercial weight-loss drug could help treat opioid addiction
Scientists are working to come up with new therapies to curb America's opioid epidemic and aid hospitals, doctors and public health officials in this fight.

Flat lens opens a broad world of color
SEAS researchers have developed the first flat lens that works within a continual bandwidth of colors, from blue to green.

Silver ion-coated medical devices could fight MRSA while creating new bone
The rise of MRSA infections is limiting the treatment options for physicians and surgeons.

Grow, mow, mulch: Finding lawn's value
Can grassy lawns affect carbon and nitrogen in the soil?

New species discovered in Antarctica
A team of Japanese scientists has discovered a new species of polychaete, a type of marine annelid worm, 9-meters deep underwater near Japan's Syowa Station in Antarctica, providing a good opportunity to study how animals adapt to extreme environments.

Why nature restoration takes time
'Relationships' in the soil become stronger during nature restoration. Although all major groups of soil life are already present in former agricultural soils, they are not really 'connected'.

Orexin as a potential drug for treating septic shock
Sepsis is a life-threatening condition due to excessive immune responses to infection that damages the patient's own tissues and organs.

Function of olfactory receptor in the human heart identified
Researchers have identified the function of olfactory receptors in the human heart muscle, such as are also present in the nose.

Quinoa genome accelerates solutions for food security
The sequencing of a high-quality quinoa genome by a KAUST-led team supports global food security and the production of crops to feed millions of people.

IFT20 protein's role in helping cancer cells to invade
An international research team has discovered that the IFT20 protein helps some cancer cells to invade by facilitating the transportation of membranes and proteins within parts of the cell.

Beliefs about better treatment for HIV leads gay men to engage in riskier sex
A survey in the US notes a consistent increase in the occurrence of condomless anal sex among men, as well as a rise in how many sex partners they have.

For youth of color, losing trust in teachers may mean losing the chance to make it to college
In a new set of longitudinal studies, minority youth perceived and experienced more biased treatment and lost more trust over the middle school years than their White peers.

Horror movie scenes help UCI team identify key brain circuits for processing fear
Researchers at the University of California, Irvine have identified a key neural pathway in humans that explains how the brain processes feelings of fear and anxiety, a finding that could help scientists unlock new ways to treat mental health disorders.

Study finds naps may help preschoolers learn
University of Arizona researchers studied verb learning in 3-year-olds, finding that those who napped after learning new verbs had a better understanding of the words when tested 24 hours later.

Typical male brain anatomy associated with higher probability of autism spectrum disorder
A study of high-functioning adults with autism spectrum disorder suggests that characteristically male brain anatomy was associated with increased probability of ASD, according to a new article published online by JAMA Psychiatry.

Ludwig research will shift how cancer diversity and resistance are understood and studied
Ludwig researchers discover that circular DNA, once thought to be rare in tumor cells, is actually very common and seems to play a fundamental role in tumor evolution.

Analysis uncovers racial bias in fatal shootings by police
A recent analysis found that among 990 individuals fatally shot by US police officers in 2015, Black civilians were more than twice as likely as White civilians to have been unarmed, and civilians from 'other' minority groups were significantly more likely than White civilians to have not posed an imminent threat to the officer(s) or other civilians.

Study sheds light on the biology of progressive form of multiple sclerosis
A research team led by scientists from Brigham and Women's Hospital has revealed how an FDA-approved drug works in the central nervous system in mice to suppress chronic inflammation.

Innovative procedure to measure cell energy production developed
Collaborative work between researchers from Boston University School of Medicine and the Massachusetts Institute of Technology has resulted in development of a new software tool that enhances measurement and analysis of energy production generated by human immune cells.

Scientists argue current climate change models understate the problem
A new study on the relationship between people and the planet shows that climate change is only one of many inter-related threats to the Earth's capacity to support human life.

Genetic profiling can guide stem cell transplantation for patients with myelodysplastic syndrome
A single blood test and basic information about a patient's medical status can indicate which patients with myelodysplastic syndrome (MDS) are likely to benefit from a stem cell transplant, according to new research by scientists at Dana-Farber Cancer Institute.

Key friendships vital for effective human social networks
Close friendships facilitate the exchange of information and culture, making social networks more effective for cultural transmission, according to new UCL research that used wireless tracking technology to map social interactions in remote hunter-gatherer populations.

Deep groundwater aquifers respond rapidly to climate variability
Changes in climate can rapidly impact even the deepest freshwater aquifers according to Penn State and Columbia University hydrologists.

How does brain functional connectivity change from the awake to unconscious state?
A new study examined how brain functional connectivity patterns change over the continuum from wakefulness to being in an anesthesia-induced state of unconsciousness.

To make Medicare better for all, take social risk factors into account, experts recommend
It's time for the Medicare system to take non-medical, 'social' risk factors into account when it decides how to pay or grade hospitals and other health care providers, two experts say based on a new National Academies report.

Could drugs replace gastric bypass surgery?
Gastric bypass surgery is one of the most successful treatments for obesity and related disorders; however, some patients may not want to undergo surgery.

Diesel trains may expose passengers to exhaust
A new study from U of T Engineering finds that diesel trains may expose passengers to elevated levels of certain pollutants, especially if they are sitting directly behind the locomotive -- these commuters breathe exhaust levels nine-times higher than on a busy city street.

Stem-cell-derived cells flag a possible new treatment for rare blood disorder
Researchers at Boston Children's Hospital's Stem Cell Research Program were able, for the first time, to use patients' own cells to create cells similar to those in bone marrow, and then use them to identify potential treatments for a blood disorder.

A 'release and kill' strategy may aid treatment of tuberculosis
Mycobacterium tuberculosis hijacks human macrophages to evade immune destruction while preventing the macrophage from undergoing programmed cell death.

Dr. Jonathan Slaght to be honored for work to conserve Blakiston's Fish Owl
The WCS (Wildlife Conservation Society) announced today that Dr. Jonathan Slaght will be honored for his work in Russia to conserve the Blakiston's fish owl, an endangered species and the largest owl in the world.

Eating whole grains led to modest improvements in gut microbiota and immune response
In a clinical trial, adults who consumed a diet rich in whole grains rather than refined grains had modest improvements in healthy gut microbiota and certain immune responses.

'Goldilocks' genes that tell the tale of human evolution hold clues to variety of diseases
A relatively short list of genes are candidates for a suite of diseases including autism spectrum disorders, schizophrenia, and epilepsy.

Giving the messages from fat cells a positive spin to prevent diabetes
A research team led by Children's National finds that losing weight through surgical approaches appears to reset chemical messages that fat cells send, substantially reducing people's risk of developing type 2 diabetes.

Study of complex genetic region finds hidden role of NCF1 in multiple autoimmune diseases
Medical University of South Carolina investigators report pre-clinical research showing that a genetic variant encoded in neutrophil cystolic factor 1 (NCF1) is associated with increased risk for autoimmune diseases, including systemic lupus erythematosus (SLE), rheumatoid arthritis, and Sjögren's syndrome, in the January 2017 issue of Nature Genetics.

Research reveals contaminated machines used in cardiac surgery cause infection in patients
Melbourne researchers have used cutting-edge genomics technology to show a strain of a bacteria can be transmitted to patients from machines commonly used to regulate body temperature during cardiac surgery.

CU Anschutz research investigates role of protein in obesity among Latin American women
Obesity in Latin America is increasingly concentrated among women of low socioeconomic status, but surprisingly little is known about what such women eat or how their diets compare to others.

Better scaffolds help scientists study cancer
Three-dimensional printed scaffolds with varying pore sizes help scientists see how bone cancer tumors are prone to spread in a realistic environment.

UNIST to engineer new eco-battery, using seawater
South Korea's Ulsan National Institute of Science and Technology has secured $5 billion won in research funding to produce new battery, using abundant and readily available seawater.

Men experience greater cognitive impairment and short-term death following hip surgery
In a study of hip fracture patients, men displayed greater levels of cognitive impairment within the first 22 days of fracture than women, and cognitive limitations increased the risk of dying within six months in both men and women.

Hidden lakes drain below West Antarctica's Thwaites Glacier
Drainage of four interconnected lakes below Thwaites Glacier in late 2013 caused only a 10 percent increase in the glacier's speed.

Math learned best when children move
Children improve at math when instruction engages their own bodies.

Mayo Clinic researchers quantify immune cells associated with future breast cancer risk
Researchers from Mayo Clinic have quantified the numbers of various types of immune cells associated with the risk of developing breast cancer.

Penn researchers are among the first to grow a versatile 2-dimensional material
Researchers at UPenn are among the first to grow a 2-D material with the ability to have many different properties.

Presence of coronary artery calcium among younger adults associated with increased risk of fatal heart
The presence of any coronary artery calcium among adults ages 32 to 46 years was associated with a 5-fold increase in fatal and nonfatal coronary heart disease events during 12.5 years of follow-up, according to a study published online by JAMA Cardiology.

Hospice caregivers should be screened early to prevent depression, anxiety
A study at the University of Missouri School of Medicine found that nearly one-quarter of caregivers were moderately or severely depressed and nearly one-third had moderate or severe anxiety.

Rising inequalities to blame for many of world's ills, say experts
Our collective failure to reverse inequality is at the heart of a global malaise, from populism to climate change, argue experts in The BMJ today.

Dietary protein associated with musculoskeletal health regardless of food source
Researchers from Hebrew Senior Life's Institute for Aging Research and University of Massachusetts Lowell have discovered that adults with higher intakes of dietary protein from both animals and vegetables see greater benefits in muscle mass and strength.

UCI scientists create organs-on-chips for large-scale drug screening
Modeling human organs on a small scale has been a major goal of researchers focused on improving the discovery of drug compounds that can target specific tissue cells, such as cancerous tumors.

Real-time feedback helps save energy and water
Those who take long showers use a great deal of water and energy.

Turning off the protein tap -- A new clue to neurodegenerative disease
Disabling a part of brain cells that acts as a tap to regulate the flow of proteins has been shown to cause neurodegeneration, a new study from The University of Manchester has found.

Bright spots of resilience to climate disturbance
The BioScience Talks podcast features discussions of topical issues related to the biological sciences.

Large groups of photons on demand -- an equivalent of photonic 'integrated circuit'
Holographic atomic memory, invented and constructed by physicists from the Faculty of Physics at the University of Warsaw, is the first device able to generate single photons on demand in groups of several dozen or more.

Georgia State neuroscientist receives $1.8 million NIH grant to investigate pain treatment for elderly
Dr. Anne Murphy, a biologist of Georgia State University, has received a five-year, $1.8 million grant from the National Institutes of Health (NIH), to investigate pain management therapies for people aged 65 or older.

Clint Alfaro receives Analytical and Bioanalytical Chemistry Best Paper Award 2016
Clint Alfaro is the winner of this year's ABC Best Paper Award, presented by the Springer journal Analytical and Bioanalytical Chemistry.

UTMB researchers discover reason for permanent vision loss after head injury
Research from the University of Texas Medical Branch in Galveston has shed new light on what causes the permanent vision loss sometimes seen in the wake of a head injury.

Are antivirals a cost-effective therapy during severe flu seasons?
A new study indicates that the antiviral drug oseltamivir can reduce influenza infections and prevent deaths in a cost-saving manner under most pandemic scenarios.

Anti-cell death agent a potential treatment for vision loss associated with MS
A new therapeutic agent tested in a mouse model of multiple sclerosis (MS) produced anti-inflammatory activity and prevented loss of cells in the optic nerve, according to a new study by researchers in the Perelman School of Medicine at the University of Pennsylvania and Noveome Biotherapeutics.

NICU study highlights need to reduce loud noises, boost beneficial sounds
Researchers at Washington University School of Medicine in St. Louis have found that preemies in neonatal intensive care units (NICUs) may be exposed to noise levels higher than those deemed safe by the American Academy of Pediatrics.

NASA sees Tropical Cyclone Carlos moving past La Reunion Island
NASA found heavy rainfall occurring in Tropical Cyclone Carlos as it continued to move between Madagascar and La Reunion Island in the Southern Indian Ocean.

Host birds reject brown parasitic eggs more often the blue-green eggs
Host birds reject brown parasitic eggs more often the blue-green eggs.

Allen's Hummingbird boom missed by breeding bird surveys
Allen's Hummingbird has been placed on several conservation watchlists, as breeding bird surveys indicating population declines have spurred concerns that climate change may push it out of Southern California.

Spanish-speaking and non-citizen Latino parents half as likely to feel docs are listening
A study led by faculty from Drexel University's Dornsife School of Public Health found that the parents of Latino children who only speak Spanish or who are non-citizens feel half as likely to be heard as those who only speak English when communicating with their children's doctors.

Chimpanzee feet allow scientists a new grasp on human foot evolution
An investigation into the evolution of human walking by looking at how chimpanzees walk on two legs is the subject of a new research paper published in Journal of Human Evolution.

Digital relay baton enables remote crowd cheering of athletes
The loneliness of the long distance runner could soon be a thing of the past as new technology allows crowds to cheer on athletes from anywhere in the world.

Pioneer of cell growth, Michael N. Hall, wins cancer research prize
The National Foundation for Cancer Research announces that Michael N.

Excessive antibiotic use in newborns can permanently damage lungs' defenses
Doctors have long understood that antibiotics that protect infants from infection also can disrupt the normal growth of their gut bacteria.

Educational psychology: Finding the fun in maths
New work by Ludwig-Maximilians-Universitaet (LMU) in Munich researchers on students' emotional attitudes to mathematics confirms that positive emotions and success at learning in math mutually reinforce each other.

America's youngest children most likely to live in poor economic conditions
Out of all age groups, children are still most likely to live in poverty.

An alternative theory on how aspirin may thwart cancer
Many studies have pointed to a role for aspirin in cancer prevention.

The origin of stem cells
The protein WOX2 is responsible for enabling plants to develop organs throughout their lives.

How Thailand eliminated mother-to-child HIV transmission
Thailand has become the first Asian country to eliminate mother-to-child transmission of HIV, thanks to a pragmatic multi-sector response backed by strong political commitment and heavy government investment, a study published in Paediatrics and International Child Health reports.

Compound from deep-water marine sponge could provide antibacterial solutions for MRSA
A compound extracted from a deep-water marine sponge collected near the Bahamas is showing potent antibacterial activity against the drug resistant bacteria methicillin-resistant Staphylococcus aureus (MRSA) also called the 'super bug.' Researchers have named the antibiotic compound 'dragmacidin G' and have shown that it has a broad spectrum of biological activity including inhibition of MRSA as well as a panel of pancreatic cancer cell lines.

How African salmonella strains are evolving to become more dangerous
Salmonella infections are typically the culprit behind food poisoning outbreaks, but in sub-Saharan Africa, they often cause drug-resistant, deadly bloodstream infections and meningitis.

Combined count data reveals shifts in hawks' migratory behavior
Bird species' distributions and migratory behavior are shifting in response to changes in climate and land-use, but surveys that focus on a particular season can cause scientists to miss trends in the bigger picture.

Office-based test developed to identify amyloidosis-related heart failure
Boston researchers have developed a new diagnostic test that may help doctors identify patients with a condition called cardiac amyloidosis.

Believe in the American dream?
When materialistic consumers believe in the American dream -- that it's possible to improve their economic status through hard work -- they are less likely to spend impulsively, according to new research from the University at Buffalo School of Management.

Towards equal access to digital coins
Scientists at the Interdisciplinary Centre for Security, Reliability and Trust of the University of Luxembourg have developed an important mathematical algorithm called 'Equihash,' Equihash is a core component for the new cryptocurrency Zcash, which offers more privacy and equality than the famous Bitcoin.

Recycling yogurt waste to produce electricity, nutrients and more dairy foods
America's appetite for Greek yogurt has skyrocketed over the past decade.

Society of Interventional Radiology Foundation to bestow annual awards
SIR announces recipients of Leaders in Innovation, young investigator, research and philanthropy awards to be presented during SIR's Annual Scientific Meeting in March.

Carnivores more seriously threatened by roads than previously acknowledged
The effects of roads on carnivores have obviously been underestimated in worldwide species conservation.

NASA finds planets of red dwarf stars may face oxygen loss in habitable zones
NASA scientists are expanding the definition of habitable zones (the area around a star where a life-sustaining planet might lurk), taking into account the effect of stellar activity that can threaten exoplanets' atmospheres with oxygen loss.

UNIST students receive 2017 Samsung HumanTech Paper Awards
Eleven graduate students from South Korea's Ulsan National Institute of Science and Technology (UNIST) have been recognized for research excellence.

Exposure to a newer flame retardant has been on the rise
Out of concern that flame retardants -- polybrominated diphenyl ethers (PBDEs) -- cause health problems, the US government worked with manufacturers to start phasing them out in 2004.

PTSD symptoms may be prevented with ketamine
Columbia University researchers have evidence that giving a small dose of ketamine one week before a psychologically traumatic event may help prevent PTSD.

Greater sage-grouse more mobile than previously suspected
Greater sage-grouse are thought to return to the same breeding ground, or 'lek,' every spring -- but how do populations avoid becoming isolated and inbred?

One year of high-quality early education improves outcomes for low-income infants, toddlers
A new study has found that infants and toddlers from low-income families who attended a high-quality center-based early education program did better in language and social skills after only one year than children who do not attend the program.

Poor thigh muscle strength may increase women's risk of knee osteoarthritis
A new study has found that poor strength in the thigh muscles may increase the risk of knee osteoarthritis in women but not men.

Splitfin flashlight fish uses bioluminescent light to illuminate plankton
The flashlight fish uses bioluminescent light to detect and feed on its planktonic prey, according to a study published Feb.

The role of animal companions in the lives of homeless people
Published as 'Caring at the Borders of the Human: Companion animals and the homeless' in the book 'ReValuing Care: Cycles and Connections' (Routledge), Professor Carr's research also reveals that homeless people often show a collective responsibility for the pets and, because of the close relationship between the pet and the homeless person, a collective responsibility for homelessness itself.

New species of amoeba is named after a character in The Lord of the Rings
Brazilian researchers have identified a species of thecamoeba with a carapace that resembles the wizard's hat worn by Gandalf, one of the most important characters in The Lord of the Rings, a series of novels by J.R.R.

Older women may not be offered breast reconstruction after mastectomy
A national study from England indicates that older women are often not offered immediate breast reconstruction following a mastectomy, even though guidelines state that surgeons should discuss reconstruction with all suitable patients and that it should be available at the initial surgical operation

First nuclear explosion helps test theory of moon's formation
In a new study, Scripps Institution of Oceanography at the University of California San Diego Professor James Day and colleagues examined the chemical composition of zinc and other volatile elements contained in the green-colored glass, called trinitite, which were radioactive materials formed under the extreme temperatures that resulted from the 1945 plutonium bomb explosion.

Hijacking bacteria to kill cancer
Scientists have recruited modified bacteria to help fight cancer, which successfully infiltrated tumors and activated the immune system to kill malignant cells, a new study reports.

Most stretchable elastomer for 3-D printing
Researchers have developed a family of highly stretchable and UV curable (SUV) elastomers that can be stretched by up to 1100%, and are suitable for UV curing based 3-D printing techniques.

Study: Analyzing gut microbes and their byproducts essential to understanding human health
To best understand the potential of microbes in the gut to affect human health, clinicians need to look not just at the bacteria present in fecal samples but also at metabolites like amino acids that those bacteria produce, according to a new study researchers in Australia and England published this week in mSphere.

Rethink needed to save critically endangered black rhinoceros
A new strategy of conservation must be adopted if the black rhinoceros is to be saved from extinction, concludes a study involving scientists from Cardiff University.

NYU researchers study patients' genetic and susceptibility risk factors for lymphedema
Genetic variations may be one of the important factors that influence breast cancer survivors' responses to the inflammatory processes and vulnerability to lymphedema.

Cutting-edge analytics allows health to be improved through nutrition
The company Lipigenia, which specializes in setting out guidelines on appropriate nutrition to achieve people's well-being on the basis of state-of-the-art blood analytics, has embarked on its activity following the partnership reached between AZTI, the Italian enterprise CNR-ISOF and Intermedical Solutions Worldwide.

CWRU researcher finds fish uses sneaking behavior as stealth mating strategy
A Case Western Reserve University researcher found and recorded the Cuatro Ciénegas cichlid, a rare fish by the scientific name of Herichthys minckleyi, using a stealth mating strategy called sneaking to slip his DNA into the next generation.

Is it time for a dedicated tax to fund the NHS?
Is it time for a dedicated (hypothecated) tax to fund the NHS, asks The BMJ in a debate article today?

Sex, drugs, and rock and roll chemistry in the brain
The same brain-chemical system that mediates feelings of pleasure from sex, recreational drugs, and food is also critical to experiencing musical pleasure, according to a study by McGill University researchers published today in the Nature journal Scientific Reports.

Professor Emanuele Orgiu joins the Young Academy of Europe
Professor Emanuele Orgiu, who recently came to the INRS Centre Énergie Matériaux Télécommunications, is part of the new cohort of young researchers admitted to the Young Academy of Europe.

UChicago receives $2.4 million NIH grant to build visual prosthesis
The University of Chicago Medicine has been awarded a $2.4 million, five-year grant from the National Institutes of Health to develop a system of wireless brain implants that might restore partial vision to people who have lost their sight.

Collapsed chloroplasts are targeted in self-eating process
The discovery of a type of autophagy could lead to new methods for controlling aging in plants.

New study reinforces the contribution of S6K1 kinase in obesity and aging
EPRS phosphorylation mediates S6K1-dependent metabolic responses related to obesity and aging.

BMBF funding for diabetes research on pancreas chip
Germany's Federal Ministry of Education and Research (BMBF) will be funding the new 'PancChip' consortium for the next three years.

Among colon cancer patients, smokers have worse outcomes than non-smokers
In an analysis of more than 18,000 patients treated for colon cancer, current smokers were 14 percent more likely to die from their colon cancer within five years than patients who had never smoked.

Want to help your mate beat the blues? Show them the love
The more depressed your romantic partner may be, the more love you should give them, according to new University of Alberta research.

Can parental education improve effectiveness of school-based BMI screening?
Parents of elementary school children who received body mass index (BMI) screening results together with educational material were significantly more likely to express their intent to change at least one obesity-related risk factor compared to parents who received only the BMI measure. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to