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Science Current Events and Science News | Brightsurf | May 02, 2016


Current cancer drug discovery method flawed: Study
The primary method used to test compounds for anti-cancer activity in cells is flawed, Vanderbilt University researchers report May 2 in Nature Methods.
Toronto researchers to investigate environment's impact on health
Four researchers at the University of Toronto and its affiliated research centers are receiving $2-million each to investigate how environmental factors can impact health.
Cavitation aggressive intensity greatly enhanced using pressure at bubble collapse region
Researchers at Tohoku University are developing a method to improve the aggressive intensity of cavitation without the need to increase the input power.
Stiffening of the arteries detected in multi-ethnic study of young adults
Stiffening of the arteries usually related to aging can be detected in early adulthood using a method known as pulse wave velocity, according to a new study led by researchers at King's College London with the University of Glasgow.
Discovery of a fundamental limit to the evolution of the genetic code
A study performed at IRB Barcelona offers an explanation as to why the genetic code, the dictionary used by organisms to translate genes into protein, stopped growing 3,000 million years ago.
Reef system with 10,000 km2 found at the Amazon River mouth
Researchers from Brazil and the US mapped and characterized an extensive reef system in an unlikely area of the Brazilian coast.
Veterans more likely to delay seeking health care--possible link to long wait times for VA care
Military veterans are more likely to report delays in seeking necessary healthcare, compared to the US general population, reports a study in the Journal of Public Health Management and Practice.
Cardiovascular risk tool overestimates actual chance of cardiovascular events
A widely recommended risk calculator for predicting a person's chance of experiencing a cardiovascular disease event -- such as heart attack, ischemic stroke or dying from coronary artery disease -- has been found to substantially overestimate the actual five-year risk in adults overall and across all sociodemographic subgroups.
Origin of synaptic pruning process linked to learning, autism and schizophrenia identified
Research led by SUNY Downstate Medical Center has identified a brain receptor that appears to initiate adolescent synaptic pruning, a process believed necessary for learning, but one that appears to go awry in both autism and schizophrenia.
Little ANTs: Researchers build the world's tiniest engine
Researchers have built a nano-engine that could form the basis for future applications in nano-robotics, including robots small enough to enter living cells.
Children react physically to stress from their social networks
Research has shown the significance of social relationships in influencing adult human behavior and health; however, little is known about how children's perception of their social networks correlates with stress and how it may influence development.
Indiana University researchers find Earth may be home to 1 trillion species
Earth could contain nearly 1 trillion species, with only one-thousandth of 1 percent now identified, according to a study from biologists at Indiana University.
Hydropeaking extirpates river insects
One of hydropower's purported benefits is its ability to use timed water releases to meet peak electrical demand.
Hormel Institute's Hinchcliffe leads groundbreaking cancer research study
A recent research study at The Hormel Institute, University of Minnesota is providing insight into the regulation of chromosome segregation and the mechanisms used by cells to prevent them from forming tumors.
Less body fat for toddlers taking vitamin D
A healthy intake of vitamin D in the first year of life appears to set children up to have more muscle mass and less body fat as toddlers, according to a new study published in the journal Pediatric Obesity.
Risk aversion impedes innovation in information technology
Smartphones and tablets come from Asia and America, European industry is far behind.
Elevated bladder cancer risk in New England and arsenic in drinking water
A new study has found that drinking water from private wells, particularly dug wells established during the first half of the 20th century, may have contributed to the elevated risk of bladder cancer that has been observed in Maine, New Hampshire, and Vermont for over 50 years.
Literature on cycads continues to accumulate
Cycads are the most threatened plant group, prompting a growing need for meta-analysis of cycad literature.
Children with ADHD may benefit from following healthy behaviors, new study suggests
An American University study shows that children with Attention Deficit and Hyperactivity Disorder follow fewer healthy lifestyle behaviors than non-ADHD youth.
Mepolizumab in severe asthma: Added benefit not proven
Drug manufacturer deviated from the specifications of the comparator therapy in the direct comparison.
Five new breast cancer genes and range of mutations pave way for personalized treatment
The largest-ever study to sequence the whole genomes of breast cancers has uncovered five new genes associated with the disease and 13 new mutational signatures that influence tumor development.
New drug-delivery approach holds potential for treating obesity
Researchers from MIT and Brigham and Women's Hospital have developed targeted nanoparticles that can deliver anti-obesity drugs.
NASA employees among finalists for prestigious Heyman Medal
Among this year's finalists for the Samuel J. Heyman Service to America Medal is Dennis Reuter, a planetary scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
Froggie went a courtin' and waved goodbye to rival wooers
New research from Wake Forest University studies the role testosterone plays in the evolutionary process of foot-flag signals used by Bornean rock frogs during mating season.
ACP recommends cognitive behavioral therapy as initial treatment for chronic insomnia
Cognitive behavioral therapy for insomnia should be the first-line treatment for adults with chronic insomnia, the American College of Physicians recommends in a new evidence-based clinical practice guideline published in Annals of Internal Medicine.
Methane production reduced in ruminants
Livestock farming is responsible for 18 percent of the world's greenhouse gases, and ruminants such as cattle, sheep and goats generate 35 percent of one of these gases -- methane, and according to experts they make a significant contribution to climate change.
National study shows new ways to stop weight gain cut young adults' obesity risk by half
A new study has identified two self-regulation strategies effective in preventing weight gain among young adults.
Nuclear pores captured on film
Using an ultra fast-scanning atomic force microscope, a team of researchers from the University of Basel has filmed 'living' nuclear pore complexes at work for the first time.
Nonprofit hospitals earn substantial profits
Seven of the 10 most profitable hospitals in the United States in 2013 -- each earning more than $163 million in profits from patient care services -- were nonprofit hospitals, according to new research from the Johns Hopkins Bloomberg School of Public Health and Washington and Lee University.
Endangered venomous mammal predates dinosaurs' extinction, study confirms
Researchers have sequenced the mitochondrial genome of the endangered solenodon, a venomous insectivore.
The genetic history of Ice Age Europe
Analyses of ancient DNA from prehistoric humans paint a picture of dramatic population change in Europe from 45,000 to 7,000 years ago, according to a new study led by Howard Hughes Medical Institute Investigator David Reich at Harvard Medical School.
A legal approach to reducing drug spending
In a new analysis published in the May issue of Health Affairs, Aaron Kesselheim, M.D., J.D., M.P.H., associate professor of medicine and director of the Program on Regulation, Therapeutics, and Law in the Division of Pharmacoepidemiology and Pharmacoeconomics at Brigham and Women's Hospital, posed an innovative solution to the problem of patent-protected essential medicines that are priced too high for society to afford them, as in the case of the antiviral drugs treating hepatitis C.
Study links some positive effects to calorie restriction in nonobese adults
A 25 percent calorie restriction over two years by adults who were not obese was linked to better health-related quality of life, according to the results of a randomized clinical trial published online by JAMA Internal Medicine.
Pager teams up with Weill Cornell Medicine to connect New Yorkers to world-class specialists
In an effort to connect more New Yorkers to Weill Cornell Medicine's world-class physicians, the institution and the innovative on-demand healthcare service Pager have joined forces to ensure that patients have expanded access to the most advanced and specialized care.
Expand prescribing of buprenorphine for opioid abuse? Experts weigh pros and cons
Buprenorphine is a critical part of treatment for the growing epidemic of opioid abuse -- but also carries the potential for misuse and diversion.
USDA announces $6 million in available funding for antimicrobial resistance research
The US Department of Agriculture (USDA) today announced the availability of $6 million to fund research to address antimicrobial resistance (AMR).
Renewed carat app gives a smart boost to battery
The Carat Project Team at the University of Helsinki, Department of Computer Science, has published a new version of the popular mobile energy-awareness application.
Study identifies successful weight-gain prevention strategies for young adults
Scientists funded by the National Heart, Lung, and Blood Institute have identified strategies that might help young adults (aged 18 to 35 years) avoid weight gain.
New tech uses hardware, software to train dogs more efficiently
Researchers have developed and used a customized suite of technologies that allows a computer to train a dog autonomously, with the computer effectively responding to the dog based on the dog's body language
Californian sudden oak death epidemic 'unstoppable,' new epidemics must be managed earlier
New research shows the sudden oak death epidemic in California cannot now be stopped, but that its tremendous ecological and economic impacts could have been greatly reduced if control had been started earlier.
SCAI publishes updated guidelines for cath lab best practices
Today, the Society for Cardiovascular Angiography and Interventions (SCAI) published an update to its first-of-its-kind 2012 paper outlining best practices in the cardiac catheterization laboratory (CCL), or cath lab.
Influence of sea-ice loss on Arctic warming is shaped by temperatures in the Pacific Ocean
The Arctic amplification phenomenon refers to the faster rate of warming in the Arctic compared to places farther south.
Hurricanes key to carbon uptake by forests
New research reveals that the increase in forest photosynthesis and growth made possible by tropical cyclones in the southeastern United States captures hundreds of times more carbon than is released by all vehicles in the US in a given year.
Engineering student wins NSF research fellowship
A University of Houston student set to graduate this spring has been awarded a graduate research fellowship from the National Science Foundation, propelling him toward a graduate degree in chemical engineering.
Psychiatric symptoms impact mental health court engagement`
People living with mental illness are overrepresented in the criminal justice system.
Adult brain prunes branched connections of new neurons
New Salk study is first to closely follow development of new neurons in the adult brain, giving potential new insight into neurodevelopmental disorders such as autism and schizophrenia.
BrightFocus Foundation honors 5 researchers on macular degeneration and glaucoma
BrightFocus Foundation today recognized five scientists in the fields of macular degeneration and glaucoma research, awarding them grants named in honor of leaders in vision research and advocacy.
Advance could help grow stem cells more safely
Nurturing stem cells atop a bed of mouse cells works well, but is a non-starter for transplants to patients -- Brown University scientists are developing a synthetic bed instead.
Economy flyers unite! Research shows air rage a product of class difference
We blame air rage on long flight delays, shrinking seats and a general decline in civility.
Cognitive-behavioral therapy may help reduce memory problems in cancer survivors who have received chemotherapy
A new analysis indicates that a type of psychotherapy delivered by videoconference may help prevent some of the long-term memory issues caused by chemotherapy
UTSW identifies new function of genes linked to Fanconi anemia and certain types of cancer
Researchers from UT Southwestern Medical Center have identified an important new function of genes in the Fanconi anemia pathway -- a finding that could have implications for development of new therapies to treat this disorder and some cancers.
Umeclidinium for symptom relief in COPD: Added benefit not proven
No significant differences in comparison with the comparator therapy in patients with moderate severity.
STACCATO: New research collaboration in Europe to work towards sustainable agriculture
The primary mission of the new BiodivERsA project STACCATO is to advance the long-term sustainable development of land use systems against risks of global change.
Non-animal approach to predict impact of nanomaterials on human lung published
A compilation of recommendations from a 2015 workshop organized by the PETA International Science Consortium Ltd. appears in a report in Archives of Toxicology.
A skeletal marker of physiological stress might indicate good, rather than poor, health
One of the skeletal markers that anthropologists use to decipher the past, linear enamel hypoplasia, might need to be looked at in a new light.
River food webs threatened by widespread hydropower practice
The decline of aquatic insects downstream from some hydroelectric dams has been linked to a widespread practice known as hydropeaking, whereby river flows are increased during the day when electricity demands are large, according to a new study led by the US Geological Survey, along with researchers from Oregon State University, Utah State University and Idaho State University.
Sea urchin's teeth inspire new design for space exploration device
The sea urchin's intricate mouth and teeth are the model for a claw-like device developed by a team of engineers and marine biologists at the University of California, San Diego to sample sediments on other planets, such as Mars.
UK Health Check has only modest impact on risk factors for cardiovascular disease
The largest risk assessment and management program for cardiovascular disease in the world, England's National Health Service Health Check, had only a modest impact on risk factors for heart disease and did not meet national and international targets, found new research in CMAJ (Canadian Medical Association Journal).
Quieting cells' low-oxygen alarm stops flare-ups in rare bone disorder
The cellular response to the lack of oxygen fans the flames of flare-ups in a rare bone disorder.
Promoting abstinence, fidelity for HIV prevention is ineffective, Stanford study finds
The US government has invested $1.4 billion in HIV prevention programs that promote sexual abstinence and marital fidelity, but there is no evidence that these programs have been effective at changing sexual behavior and reducing HIV risk, according to a new Stanford University School of Medicine study.
EARTH: Reading the ridges -- Are climate and the seafloor connected?
EARTH Magazine plunges into the depths of the ocean with scientists seeking whether Earth's climate and sea-level history are intrinsically linked with tectonics at mid-ocean ridges.
Ibrutinib: Indication of added benefit in one of three therapeutic indications
No added benefit proven for chronic lymphocytic leukaemia and Waldenström macroglobulinaemia.
Anomalous sinking of spheres in apparently fixed powder beds discovered
A group of researchers at Okayama University and Osaka University, Japan examined the state of the surface of apparently fixed powder beds in which air weak enough not to move the powder is injected, and observed anomalous sinking phenomena, a world first.
Three Earth-sized planets found orbiting a tiny nearby star
An international team of astronomers composed of UC San Diego astrophysicists has discovered three Earth-sized planets orbiting near the 'habitable zone' of an ultracool dwarf star, the first planets ever discovered around such a tiny and dim star.
Climate-exodus expected in the Middle East and North Africa
Part of the Middle East and North Africa may become uninhabitable due to climate change.
Health sensing tool measures lung function over a phone call, from anywhere in the world
University of Washington researchers have developed SpiroCall, a new health sensing tool that can accurately measure lung function from anywhere in the world over a simple phone call.
Neuroscientists find evidence for 'visual stereotyping'
The stereotypes we hold can influence our brain's visual system, prompting us to see others' faces in ways that conform to these stereotypes, neuroscientists at New York University have found.
Sex exchange a heightened risk factor among women with incarceration history
A new study suggests that if prison health providers ask women whether they have exchanged sex for drugs or money, they may find that more than one in four have, and that they are at especially high risk for health and social problems.
Shortages in nation's drug supply persist despite federal efforts
Despite federal legislation to stem shortages in the nation's drug supply, deficiencies remain for patients with acute and critical illnesses, said Yale researchers.
Diagnosing mononucleosis: UGA's Mark Ebell works to expedite proper treatment
The University of Georgia's Mark Ebell wasn't impressed with research on infectious mononucleosis when he wrote his first published review on it back in the 1990s.
Louisiana Tech University's TOP DAWG New Venture Championship winners announced
A total of $12,500 in cash and prizes were awarded last week to the most innovative, student-developed product and service ideas at the 2016 TOP DAWG New Venture Championship at Louisiana Tech University.
The social lives of the elderly mirror how they grow older
Small changes in the social lives of older people are early red flags showing that their thought processes and brain functioning could be on the decline.
Demographic changes increase the risk of natural fires
In many parts of the world, grass and forest fires pose a threat to animals and humans.
Three potentially habitable worlds found around nearby ultracool dwarf star
Astronomers using the TRAPPIST telescope at ESO's La Silla Observatory have discovered three planets orbiting an ultracool dwarf star just 40 light-years from Earth.
May Health Affairs: Value of cancer drugs in 9 countries
The May issue of Health Affairs includes a study examining real-world cancer drug consumption in nine countries.
Tracks, trails, and thieves
Ride the trails and rails across the Wild West with Ferdinand Hayden through this detailed recounting of the first government-sponsored geological survey of the Wyoming and adjacent territories in 1868.
TGen SU2C melanoma dream team member receives $200,000 Sharp Award
Stand Up To Cancer (SU2C) has selected Dr. Muhammed Murtaza of the Translational Genomics Research Institute (TGen), paired with Dr.
Even doctors get confused about reflux disease in babies
New study shows that clinical symptoms are only rarely validated by the gold-standard reflux test.
Making invisible physics visible
Physicists create a radically new sensor technology that captures nanoscale images with precise spatial resolution and sensitivity.
New study found ocean acidification may be impacting coral reefs in the Florida keys
MIAMI -- In a new study, University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science researchers found that the limestone that forms the foundation of coral reefs along the Florida Reef Tract is dissolving during the fall and winter months on many reefs in the Florida Keys.
A cleansing rain falls; a soil-filled mist arises
Scientists have found that rain triggers the release of a mist of particles from wet soils into the air, a finding with consequences for how scientists model our planet's climate and future.
How DNA can take on the properties of sand or toothpaste
When does DNA behave like sand or toothpaste? When the genetic material is so densely packed within a virus, it can behave like grains of sand or toothpaste in a tube.
What can we expect next in the long history of lead poisoning in the US?
While state and federal officials continue to criticize each other for failing to guarantee safe drinking water, the question of exactly who is responsible for crises like in Flint, Michigan, lies at the root of the problem.
US climate-adaptation plans long on ideas, short on details, priorities
An analysis of more than 40 climate-adaptation plans from across the US shows that local communities are good at developing strategies to combat the harmful effects of climate change but often fail to prioritize their goals or to provide implementation details.
Study shows long-term improvement in health-related quality of life after bariatric surgery
Significant improvement in health-related quality of life was reported by patients 12-14 years after undergoing an uncommon form of bariatric surgery at one US medical center.
Does supplemental donor milk instead of formula reduce infections in preterm infants?
The combined incidence of serious infection, the intestinal disease necrotizing enterocolitis and death was similar in very low-birth-weight infants who received either pasteurized donor milk or preterm formula supplementation during their first 10 days of life when their own mother's milk was not sufficiently available, according to an article published online by JAMA Pediatrics.
Englerin analogues with anti-cancer activity
The research group of Prof. Echavarren at ICIQ has designed and synthetized a series of analogues of (-)-Englerin A that are highly selective and effective in the growth-inhibition of renal cancer cells.
Genetic switch could be key to increased health and lifespan
Stressing a worm's mitochondria at a key time in early development is known to improve their metabolic health and extend lifespan.
Health interventions needed for SGL parent households in urban subsidized housing programs
A study led by the University of Pennsylvania, School of Nursing (Penn Nursing) found that single parents who participate in a housing support program in an urban setting with high levels of community violence had significant symptoms of stress and depression.
Penn-coordinated study confirms long-term benefit of anti-VEGF therapy for age-related macular degeneration
Patients with age-related macular degeneration (AMD), the most common cause of major vision loss in older people, still show benefits from a new class of therapy -- originally developed to treat cancer -- after long-term treatment.
Microbes make tubular microtunnels on earth and perhaps on mars
Tubular microtunnels believed to be the trace fossils formed by microbes inhabiting volcanic rock interiors have only been reported in oceanic and subglacial settings.
ACP recommendations for treating chronic insomnia
The May 2 issue of Annals of Internal Medicine includes: 'ACP recommends cognitive behavioral therapy over drugs for treating chronic insomnia'; 'ICDs associated with high risk for long-term complications'; 'Scientific community seeks answers about explosive Zika outbreak'; 'Internists Recommend Ways to Better Align Graduate Medical Education Financing with Workforce Needs'; and more.
Funding decline for a US government HIV/AIDS initiative raises concerns
A new UCLA study finds a significant decline in funding for an important part of the United States President's Emergency Plan for AIDS Relief, or PEPFAR.
SU2C grants support 'innovation in collaboration' in cancer research
SU2C awarded $1 million in five awards to teams of cancer researchers to support additional levels of innovation and collaboration among SU2C-affiliated scientists.
Concussion outcomes differ among football players from youth to college
Concussions in high school football had the highest average number of reported symptoms and high school football players had the highest proportion of concussions with a return-to-play time of at least 30 days compared with youth and college players, according to an article published online by JAMA Pediatrics.
New interpretation of the Rök runestone inscription changes view of Viking Age
The Rök Runestone, erected in the late 800s in Sweden is the world's most well-known runestone.
Hacking into homes: 'Smart home' security flaws found in popular system
Cybersecurity researchers at the University of Michigan were able to hack into the leading 'smart home' automation system and essentially get the PIN code to a home's front door.
Maryland climate and health report identifies state's vulnerabilities to climate change
A new report by the University of Maryland School of Public Health and the Maryland Department of Health and Mental Hygiene details the impacts of climate change on the health of Marylanders now and in the future.
Method stabilizes, enhances phosphorene
A Northwestern University research team used organic chemistry to covalently react a single-molecule-thick layer onto phosphorene to stabilize its reactivity to open air.
Coalition Against Major Diseases becomes a partner in global Alzheimer's research database
The Critical Path Institute's (C-Path) Coalition Against Major Diseases (CAMD) is integrating its Alzheimer's clinical trial data into the Global Alzheimer's Association Interactive Network (GAAIN) data portal.
NASA's IMERG analyzes severe weather in Tornado Alley and eastward
Severe spring thunderstorms frequently spawned tornadoes from the Gulf Coast north and eastward during the past seven days.
Improving utilization of ammonia and carbon dioxide in microalgal cultivation
This article focuses on approaches to improve ammonia and carbon dioxide utilization in algal cultivation practices to reduce loss of valuable nutrients through the process of volatilization.
Age-related macular degeneration before and after the era of anti-VEGF drugs
In a study of nearly 650 people with the eye disease age-related macular degeneration (AMD), half still had vision 20/40 or better, typically good enough to drive or to read standard print, after five years of treatment with anti-VEGF drugs that are injected into the eye.
First structural views of the NMDA receptor in action will aid drug development
Researchers have obtained images of the NMDA receptor in active, non-active, and inhibited states.
Nearly half of heart bypass patients skip medications that keep blood flowing
Statins and aspirin together are needed to keep lifesaving bypass grafts open, but Jefferson researchers found patients are not taking these medications long-term.
Quantum sensors for high-precision magnetometry of superconductors
Scientists from Basel have developed a new method that has enabled them to image magnetic fields on the nanometer scale at temperatures close to absolute zero for the first time.
Two known chemotherapy agents effectively target breast cancer stem cells
Two existing chemotherapy drugs appear to be a powerful pair in targeting errant stem cells that are making breast cancer and enabling its spread and recurrence, scientists report.
Scientists discover potentially habitable planets
For the first time, an international team of astronomers from MIT, the University of Liège in Belgium, and elsewhere have detected three planets orbiting an ultracool dwarf star, just 40 light years from Earth.
Researchers identify sharp rise in opioid-related hospitalizations, health care costs
Infection is a serious complication of intravenous drug abuse and a major cause of illness and death among intravenous drug users.
Control of fertility: A new player identified
Individual small RNAs are responsible for controlling the expression of gonadoliberin or GnRH (Gonadotropin-Releasing Hormone), a neurohormone that controls sexual maturation, the appearance of puberty, and fertility in adults.
University of Wisconsin and Harvard scientists receive awards from ASNTR
At the 23rd Annual Conference of the American Society of Neural Therapy and Repair the 2016 Bernard Sanberg Memorial Award for Brain Repair was given to associate professor of medical physics Dr.
Antibiotics allow gut pathogens to 'breathe'
Research in a mouse model led by Andreas Bäumler, professor of medical immunology and microbiology at UC Davis Health System, has identified the chain of events that occur within the gut lumen after antibiotic treatment that allow 'bad' bugs to flourish.
No males needed: All-female salamanders regrow tails 36 percent faster
The lady salamander that shuns male companionship may reap important benefits.
Neuroscientists discover previously unknown function of cannabinoid receptor
In the brain, there is a delicate interplay of signaling substances and cellular activity.
Hydropeaking of river water levels is disrupting insect survival, river ecosystems
A group of researchers concluded today in a study in the journal BioScience that 'hydropeaking' of water flows on many rivers in the West has a devastating impact on aquatic insect abundance.
'Adaptive protein crystal' could form new kind of protective material
Chemists at UC San Diego have created an 'adaptive protein crystal' with a counterintuitive and potentially useful property: When stretched in one direction, the material thickens in the perpendicular direction, rather than thinning as familiar materials do.
A new resource to help manage billbugs in turfgrass
Billbugs are a major pest of turfgrass, a crop that brings in tens of billions of dollars in annual revenues.
LJI scientists discover molecular mechanism for generating specific antibody responses
Follicular helper T cells (Tfh cells), a rare type of T cells, are indispensable for the maturation of antibody-producing B cells.
Prevalent cancer-associated mutations detected in apparently healthy group
In a study of 36 women -- 16 diagnosed with ovarian cancer and a control group of 20 with no cancer diagnosis -- nearly all of the women were found to carry cancer-associated gene mutations.
How does the environment affect obesity?
Researchers will be examining how agricultural and food processing practices may affect brown fat activity directly or indirectly.
Research-based exercise program turning preschoolers into 'Fit Kids'
Reuben Brough is running around a gym at a local youth center waving his hands in the air and screeching like a cheetah.
QUT develops new model to better predict crash blackspots
Queensland University of Technology has developed a new blackspot identification method that offers an unbiased prediction of crash counts and allows a more accurate way to identify high-risk crash sites.
Does freeze-thawing and IV delivery affect the therapeutic potential of mesenchymal stromal cells?
Before the therapeutic potential of using human tissue-derived mesenchymal stromal cells (MSC) to treat immune and degenerative diseases can be fully determined, the effects of freeze-thawing and intravenous delivery on MSC function must be understood.
How much does groundwater contribute to sea level rise?
Land water, including groundwater extraction, contributes far less to sea level rise than previously thought, according to a new study.
A climate warming warning
A recent collaborative research project between scientists from academia and government agencies has identified climate warming as the dominant driver of an increase in algal growth in the Athabasca oilsands region of northern Alberta.
Corporate churning associated with lower nursing home quality
Nursing homes that underwent chain-related transactions such as mergers and acquisitions experienced a larger number of deficiency citations both before and after transactions than nursing homes that did not change ownership.

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