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Science News | Science Current Events | Brightsurf | January 09, 2017


Common viruses prove dangerous in long-term care facility
A widespread outbreak of respiratory syncytial virus and human metapneumovirus at a long-term dementia care ward infected 73 percent of patients, demonstrating the challenges in mitigating the spread of infectious diseases in such settings.
Brain cell powerhouses appear good treatment target for stroke, TBI recovery
Cell powerhouses are typically long and lean, but with brain injury such as stroke or trauma, they can quickly become bloated and dysfunctional, say scientists who documented the phenomena in real time for the first time in a living brain.
Where is heavy air pollution in Beijing from?
The heavy haze formation in Beijing is depicted as 'initiated by the regional transport mainly from the coal burning in surrounding areas, and intensified by the local secondary formation originated from the motor vehicles.'
Place matters in late diagnosis of colorectal cancer, study finds
In addition to a person's race or ethnicity, where they live can matter in terms of whether they are diagnosed at a late stage for colorectal cancer, according to a recent study led by a researcher at the School of Public Health at Georgia State University.
Mediterranean is the fountain of youth, study claims
Chemicals extracted from the prickly pear and brown seaweed, two ubiquitous Mediterranean plants, eased symptoms in organisms suffering from Alzheimer's and Parkinson's disease, according to new research.
NASA sees storms affecting the western US
Extreme rain events have been affecting California and snow has blanketed the Pacific Northwest.
Study identifies potential drug targets for muscular dystrophy treatments
This week in the JCI, a study led by Perrine Castets at the University of Basel has demonstrated that pharmacological treatments targeting AMPK and mTOR signaling pathways, which regulate energy balance and autophagy in cells, improve the symptoms of muscular dystrophy type 1 in a mouse model.
Why high-dose vitamin C kills cancer cells
Cancer researchers at the University of Iowa have homed in on how high-dose vitamin C kills cancer cells.
Hospitals in Medicare ACOs reduced readmissions faster
The Accountable Care Organization model of paying for health care appears to help reduce hospital readmissions among Medicare patients discharged to skilled nursing facilities, a new study suggests.
New model predicts when people are willing to try new things
A new model to predict when people are most likely to try different products has been developed by scientists at UCL and dunnhumby, a customer science company.
Model sheds light on inhibitory neurons' computational role
Researchers at MIT's Computer Science and Artificial Intelligence Laboratory have developed a new computational model of a neural circuit in the brain, which could shed light on the biological role of inhibitory neurons -- neurons that keep other neurons from firing.
Recognize sepsis as a separate cause of illness and death
Sepsis should be recognized as a separate cause of illness and death around the world.
Newly discovered phytoplankton groups appear to favor warmer oceans
An international research team has discovered two phytoplankton groups -- unlike any known species -- in climate-sensitive areas around the world.
Researchers create practical and versatile microscopic optomechanical device
Researchers have developed a new type of optomechanical device that uses a microscopic silicon disk to confine optical and mechanical waves.
Fear of diagnostic low-dose radiation exposure is overstated, experts assert
In an article published in the January 2017 issue of The Journal of Nuclear Medicine, researchers assert that exposure to medical radiation does not increase a person's risk of getting cancer.
Children are more apt to confess misdeeds if they think parents will react positively
Even if they believe they could be punished, older kids are more likely than younger children to view confessing to a misdeed as the right thing to do.
Bilingualism may save brain resources as you age
A research team established that years of bilingualism change how the brain carries out tasks that require concentrating on one piece of information without becoming distracted by other information.
Neural connection keeps instincts in check
From fighting the urge to hit someone to resisting the temptation to run off stage instead of giving that public speech, we are often confronted with situations where we have to curb our instincts.
Natural tooth repair method, using Alzheimer's drug, could revolutionize dental treatments
A new method of stimulating the renewal of living stem cells in tooth pulp using an Alzheimer's drug has been discovered by a team of researchers at King's College London.
High rates of PTSD and other mental health problems after great east Japan earthquake
The devastating 2011 earthquake, tsunami, and resulting nuclear disaster in Japan had a high mental health impact -- with some effects persisting several years later, according to a comprehensive research review in the January/February issue of the Harvard Review of Psychiatry, published by Wolters Kluwer.
Illinois team advances GaN-on-Silicon for scalable high electron mobility transistors
A team of researchers at the University of Illinois at Urbana-Champaign has advanced gallium nitride (GaN)-on-silicon transistor technology by optimizing the composition of the semiconductor layers that make up the device.
UTSA study shows how phishing scams thrive on overconfidence
A new study by H.R. Rao, AT&T Distinguished Chair in Infrastructure Assurance and Security at The University of Texas at San Antonio, examines overconfidence in detecting phishing e-mails.
Mayo Clinic researchers identify new potential treatment for cancer metastasis
Breast cancer metastasis, the process by which cancer spreads, may be prevented through the new use of a class of drugs already approved by the US Food and Drug Administration.
Lars Bildsten wins 2017 Dannie Heineman Prize for Astrophysics
The American Institute of Physics and the American Astronomical Society announced today, on behalf of the Heineman Foundation for Research, Educational, Charitable, and Scientific Purposes, that California astrophysicist Lars Bildsten is the winner of the 2017 Heineman Prize for Astrophysics, a distinguished honor awarded annually to recognize significant contributions to the field.
Rettsyndrome.org reaches milestone of $40 million in research funding
The International Rett Syndrome Foundation, now doing business as Rettsyndrome.org, announces today that Rettsyndrome.org has reached a milestone in research funding.
Has the Affordable Care Act reduced socioeconomic disparities in cancer screening?
Out-of-pocket expenditures are thought to be a significant barrier to receiving cancer preventive services, especially for individuals of lower socioeconomic status.
WSU researchers discover unique microbial photosynthesis
Researchers at Washington State University have discovered a new type of cooperative photosynthesis that could be used in engineering microbial communities for waste treatment and bioenergy production.
Nonsurgical and surgical treatments provide successful outcomes for an Achilles tear
A new literature review published in the Journal of the American Academy of Orthopaedic Surgeons (JAAOS) found successful outcomes for an Achilles tendon tear with either minimally invasive surgery or nonsurgical bracing with a removable boot, especially in recreational athletes.
Most breastfed infants not receiving recommended vitamin D supplementation
Most breastfed infants are not receiving the recommended vitamin D supplementation according to new findings from researchers at the Mayo Clinic published in the January/February 2017 issue of Annals of Family Medicine.
Two years and multiple doctors often needed to diagnose polycystic ovary syndrome
PCOS is the most common endocrine disorder - and most common cause of infertility -- affecting 9 to 18 percent of women around the world.
Genitourinary injuries challenge returning US servicemen
In an article in The Journal of Urology, researchers from the US military medical community have examined the extent and severity of genitourinary injuries among nearly 1,400 US service members (SMs) and emphasize the critical need for novel treatments to improve sexual, urinary, or reproductive function among those with severe genital injury.
New year, new idea: High-value health plan concept aims for bipartisan appeal
As Washington grapples with the fate of the Affordable Care Act, a pair of health care researchers has proposed a new way to design health insurance plans that could win bipartisan support -- and has already started to do so.
Prostate cancer treatment rates drop, reflecting change in screening recommendations
As some national guidelines now recommend against routine prostate cancer screening, the overall rate of men receiving treatment for the disease declined 42 percent, a new study finds.
President Obama believes US clean energy trend 'irreversible'
In this Policy Forum, President Obama, the 44th and current President of the United States, conveys his belief that '...trends towards a clean energy economy that have emerged during [his] presidency will continue.' He goes on to outline four reasons sustaining his confidence.
Wanting to stay in education is 'NOT main reason why women delay having children'
Researchers calculate that for every extra year of educational enrollment after the age of 12, a woman delayed motherhood by an average of six months.
Study: Obamacare benefitted Latinos, but persistent disparities remain
A new study found that the Affordable Care Act, or Obamacare, helped improve access and utilization of health care for Latinos, but the benefits varied by heritage group and persistent disparities remain.
New Midwestern University research suggests appendix may have important function
The human appendix, a narrow pouch that projects off the cecum in the digestive system, has a notorious reputation for its tendency to become inflamed (appendicitis), often resulting in surgical removal.
Ottoline Leyser honored with the 2017 FEBS | EMBO Women in Science Award
EMBO and FEBS announce plant biologist Ottoline Leyser as the recipient of the tenth FEBS | EMBO Women in Science Award.
Pre-pregnancy progesterone helps women with recurrent pregnancy loss
Women who have had two or more unexplained miscarriages can benefit from natural progesterone treatment before pregnancy, a new a study from the University of Illinois at Chicago shows.
In the January Health Affairs: Brazil's primary health care expansion
The January issue of Health Affairs includes a study that explores a much-discussed issue in global health: the role of governance in improving health, which is widely recognized as necessary but is difficult to tie to actual outcomes.
The strange double life of Dab2
Sylvester Comprehensive Cancer Center researcher Xiang-Xi Michael Xu, Ph.D., discovered Dab2 more than 20 years ago and has been studying its relationship to cancer ever since.
Finding inspiration in the stars
Lars Bildsten, director of the Kavli Institute for Theoretical Physics, wins the 2017 Dannie Heineman Prize for Astrophysics.
How a moon slows the decay of Pluto's atmosphere
A new study from the Georgia Institute of Technology provides additional insight into relationship between Pluto and its moon, Charon, and how it affects the continuous stripping of Pluto's atmosphere by solar wind.
New smartphone system to evaluate sleep disorders while awake -- Ben Gurion University innovation
Currently, patients are diagnosed using polysomnography to record brain waves, blood oxygen level, heart rate, breathing, and eye and leg movements overnight.
High cholesterol intake and eggs do not increase risk of memory disorders
A new study from the University of Eastern Finland shows that a relatively high intake of dietary cholesterol, or eating one egg every day, are not associated with an elevated risk of dementia or Alzheimer's disease.
Catheter safeguards at hospitals reduce infections and save money, study shows
US hospitals are reducing bloodstream infections related to catheters by implementing rigorous safeguards that also save millions of healthcare dollars each year, according to research led by Cedars-Sinai.
An ecological invasion mimics a drunken walk
A theory that uses the mathematics of a drunken walk describes ecological invasions better than waves, according to Tim Reluga, associate professor of mathematics and biology, Penn State.
Psychology essential to achieving goals of patient-centered medical homes
Psychologists can offer critical experience and expertise in strengthening the increasingly common model of coordinated health care, the patient-centered medical home, helping to achieve the 'triple aim' of improved outcomes, decreased cost and enhanced patient experience, according to articles published by the American Psychological Association.
New walking app could make later life healthier and happier
'Walking for Well-Being', a prototype app that makes it easy to plan less difficult, less demanding walking routes, could help people to stay fit, active and independent as they get older.
Study examines the effects of osteoporosis drugs in children with genetic bone disorders
Previous case reports in patients with osteogenesis imperfecta (OI) have suggested that treatment with bisphosphonates, which are commonly prescribed for osteoporosis, may be associated with atypical femur fractures.
For chemicals, mega is out and bio is in
Rice University engineers propose in Science that the future of chemical production lies in decentralized biomanufacturing facilities that will push innovation and achieve efficiency not possible at today's megaplants.
New findings detail structure of immature Zika virus
Researchers at Purdue University have determined the high-resolution structure of immature Zika virus, a step toward better understanding how the virus infects host cells and spreads.
Hidden diversity: 3 new species of land flatworms from the Brazilian Araucaria forest
A huge invertebrate diversity is hidden on the forest floor in the Araucaria moist forest.
Report from international workshop on reducing animal use for acute toxicity testing published
A report outlining the findings of the international expert workshop 'Alternative Approaches for Identifying Acute Systemic Toxicity: Moving From Research to Regulatory Testing' was published today in the journal Toxicology In Vitro.
Study: Some catalysts contribute their own oxygen for reactions
New MIT research shows that metal-oxide catalysts can sometimes release oxygen from within their structure, enhancing chemical activity.
January/February 2017 Annals of Family Medicine tip sheet
Synopses of original research and commentary published in the January/February 2017 issue of Annals of Family Medicine research journal, including an update to the National Commission on Prevention Priorities ranking of clinical preventive services, last updated in 2006.
Anthropogenic groundwater extraction impacts climate
Anthropogenic groundwater exploitation changes soil moisture and land-atmosphere water and energy fluxes, and essentially affects the ecohydrological processes and the climate system.
Friend or foe? Each creates national unity, a mix creates divisions, study shows
Banding together as a nation is often lauded for getting through challenging times, but a new study published by Princeton University and global collaborators finds that both harmony and conflict unify nations' identities.
Parents' physical activity associated with preschooler activity in underserved populations
Preschool-age children from low-income families are more likely to be physically active if parents increase activity and reduce sedentary behavior while wearing movement monitors (accelerometers), according to a Vanderbilt study published today in the American Journal of Preventive Medicine.
Future now -- applying lasers in 3-D printing and manufacturing
With the rapid advancement of technology in the manufacturing arena, 3-D printing is fast becoming a norm.
Landmark global scale study reveals potential future impact of ocean acidification
Ocean acidification and the extent to which marine species are able to deal with low pH levels in the Earth's seas, could have a significant influence on shifting the distribution of marine animals in response to climate warming.
Study suggests enterovirus infections linked with autoimmunity that leads to type 1 diabetes
New research published in Diabetologia (the journal of the European Association for the Study of Diabetes) shows that children with type 1 diabetes (T1D) have a higher incidence of enterovirus infections prior to experiencing the autoimmune processes which lead to their T1D.
Decision pathway issued for patients with irregular heartbeat on anticoagulants
A new document for the management of patients with irregular heartbeats who are on anticoagulation medications -- blood thinners -- and need surgery, focuses on how and when to temporarily stop these medications, if a substitute medication should be used, and when it is safe for a patient to go back on blood thinners after surgery.
Heartburn pills in pregnancy may be linked to childhood asthma
Children born to mothers who take heartburn medication during pregnancy may have a greater risk of developing asthma, research from the University of Edinburgh suggests.
The legal battle over CRISPR (video)
CRISPR could potentially engineer super crops, make designer animal models for research and even snip out genetic diseases.
NASA spots short-lived Tropical Depression 01W
In just 24 hours after Tropical Depression 01W formed in the Philippine Sea it was already falling apart.
Transfusions of 'old' blood may harm some patients
Blood transfusions with the oldest blood available could be harmful for some patients, finds Columbia University researchers.
The science of baby's first sight
UNC scientists found more clues about the evolving brains of baby mammals as eyesight comes online.
VLT to search for planets in Alpha Centauri system
ESO has signed an agreement with the Breakthrough Initiatives to adapt the Very Large Telescope instrumentation in Chile to conduct a search for planets in the nearby star system Alpha Centauri.
Study finds association between insufficient sleep and gestational diabetes mellitus
A Singapore-based study has found a new health link between short sleep during pregnancy and gestational diabetes mellitus (GDM).
Breakthrough in MS treatment
Three studies conducted by an international team of researchers, which included Amit Bar-Or and Douglas Arnold from the Montreal Neurological Institute and Hospital of McGill University, have discovered that ocrelizumab can significantly reduce new attacks in patients with relapsing MS, as well as slow the progression of symptoms caused by primary progressive MS.
What teeth reveal about the lives of modern humans
When anthropologists of the future find our fossilized teeth, what will they be able to conclude about our lives?
What did Big Data find when it analyzed 150 years of British history?
What could be learned about the world if you could read the news from over 100 local newspapers for a period of 150 years?
How Spain achieved a remarkably high rate of deceased organ donation
Spain is leading the world in deceased organ donation. A new article published in the American Journal of Transplantation contains important information that can help other countries learn from the success of the Spanish system to help address the worldwide problem of transplant organ shortages.
Delirium an insidious, deadly threat to nursing home residents
A comprehensive review of research published today in The Journal of the American Osteopathic Association finds delirium to be an often-undiagnosed syndrome, affecting nearly 18 percent of long-term care residents, with a staggering 40 percent one-year mortality rate.
Pediatric tuberculosis in Canada: A guide for physicians
Although pediatric tuberculosis (TB) remains relatively uncommon in Canada, some populations -- including Aboriginal communities -- have a much higher burden of disease.
Medicaid expansion linked to better care quality at health centers
In the first year of Medicaid expansion, four out of eight quality indicators at federally funded health centers improved significantly in states that expanded Medicaid compared to non-expansion states, according to a new study.
Moralistic thinking on political left, right not so different
Sacred thinking isn't limited to political conservatives, according to a new report from researchers at the University of Illinois at Chicago and the University of Winnipeg.
'Weekend warriors' have lower risk of death from cancer, cardiovascular disease
Physical activity patterns characterized by just one or two sessions a week may be enough to reduce deaths in men and women from all causes, cardiovascular disease (CVD) and cancer, regardless of adherence to physical activity guidelines, a new study of over 63,000 adults in JAMA Internal Medicine reports today.
Can big data yield big ideas? Blend novel and familiar, new study finds
Struggling to get your creative juices flowing for a new idea or project?
El Niño, Pacific Decadal Oscillation implicated in domoic acid shellfish toxicity
Researchers today reported in Proceedings of the National Academy of Sciences a strong correlation between toxic levels of domoic acid in shellfish and the warm-water ocean conditions orchestrated by two powerful forces -- El Niño events and the Pacific Decadal Oscillation.
Speeding up 19th century oil paintings
The fluid and loose brushwork used by J.W.M. Turner and other innovative 19th century artists to capture the momentary effects of light was technically made possible by the addition of 'gumtion' or 'megilp' to the paint matrix, which gave the paints the jelly-like consistency needed for their impasto-rich paintwork.
High dietary red meat intake linked to common bowel condition diverticulitis
A high dietary intake of red meat, particularly of the unprocessed variety, is linked to a heightened risk of developing the common inflammatory bowel condition, diverticulitis, reveals research published online in the journal Gut.
Crohn's disease risk and prognosis determined by different genes, study finds
Researchers have identified a series of genetic variants that affect the severity of Crohn's disease, an inflammatory bowel disease -- but surprisingly, none of these variants appear to be related to an individual's risk of developing the condition in the first place.
How on Earth does geotagging work?
Computing science researchers at the University of Alberta are using automated geotagging models to put a place to online data and documents.
Prostate cancer researchers find genetic fingerprint identifying how, when disease spreads
Canadian prostate cancer researchers have discovered the genetic fingerprint that explains why up to 30 percent of men with potentially curable localized prostate cancer develop aggressive disease that spreads following radiotherapy or surgery.
BMJ partners with Cochrane Clinical Answers to boost knowledge at the point of care
Evidence reviews now incorporated into BMJ Best Practice to better inform decision making.
Minorities, females serving on boards receive less compensation, less leadership roles
While minorities and females are represented on boards of directors of many major corporations in the US, they often have fewer leadership opportunities within those organizations.
The fly reveals a new signal involved in limb growth
Published in Nature Communications, the study paves the way to research into the function of this pathway in vertebrate development and its possible involvement in human congenital diseases.
Exploiting the placebo effect can improve recovery of heart surgery patients
Exploiting the placebo effect significantly improved the recovery of patients undergoing heart surgery according to new research published in the open access journal BMC Medicine.
Epigenetic changes promote development of fatty liver in mouse and man
Mice with a strong tendency to obesity already exhibit epigenetic changes at six weeks of age, inducing the liver to amplify its production of the enzyme DPP4 and release it into the circulation.
PKM2 promotes exosome release via phosphorylating SNAP-23
Nanjing University team showed that PKM2, an enzyme involved in the tumor cell's reliance on aerobic glycolysis (Warburg effect), plays a critical role in promoting the release of exosomes from the tumor cell.
'First do no harm: Internists say Congress needs to preserve protections in the ACA'
In a letter sent today to leaders in the House of Representatives and the Senate, the American College of Physicians (ACP), representing 148,000 internal medicine physicians (internists), related subspecialists, and medical students, implored Congress to not roll back coverage and protections established by the Affordable Care Act (ACA), and to evaluate any proposals to change it based on whether or not they would result in improvements in coverage, access and protections for patients.
Hydropower in China impacts the flow of the Mekong River
A study led by researchers from Aalto University in Finland reveals that the hydropower projects in China have caused major river flow changes to the Mekong River since the year 2011.
Newly proposed reference datasets improve weather satellite data quality
Researchers at the University of Maryland, the National Oceanic and Atmospheric Administration and the Global Space-based Inter-Calibration System have proposed in-orbit reference datasets for calibrating weather satellites.
Hidden seeds reveal Canary Islands history
Have you tried the national dish gofio while on holiday on the Canary Islands?
Brain impairments in premature infants may begin in the womb
Even before they are born, premature babies may display alterations in the circuitry of their developing brains, according to a first-of-its kind research study by Yale School of Medicine researchers and their colleagues at the National Institutes of Health and Wayne State University.
Do weekend warriors reap any health benefits?
Yes, say two GW experts available for comment on a new study.
Breast cancer screening associated with substantial overdiagnosis
Breast cancer screening in Denmark was associated with a substantial increase in the incidence of nonadvanced tumors and DCIS but not with a reduction in the incidence of advanced tumors.
NIH to release findings on impact of parent physical activity, sedentary behavior on their preschool
Young children do follow in their parents' footsteps. Literally. That's the conclusion of NIH-funded researchers who found that in underserved populations, parents' physical activity -- and their sedentary behavior -- directly correlates with the activity level of their preschoolers.
New insights into mechanisms of breast cancer development and resistance to therapy
Why does breast cancer develop and how come certain patients are resistant to established therapies?
Study identifies barriers to sexual health among male teens and young men
Johns Hopkins researchers who conducted a dozen focus groups with 70 straight and gay/bisexual Hispanic and African-American males ages 15 to 24 report that gaining a better understanding of the context in which young men grow up will allow health care providers to improve this population's use of sexual and reproductive health care.
Short-lived greenhouse gases cause centuries of sea-level rise
Even if there comes a day when the world completely stops emitting greenhouse gases into the atmosphere, coastal regions and island nations will continue to experience rising sea levels for centuries afterward, according to a new study by researchers at MIT and Simon Fraser University.
CDC guidelines for HIV prevention regimen may not go far enough, study suggests
Study suggests that CDC guidelines for who should be on Preexposure prophylaxis (PrEP) don't go far enough because current standards could miss some people who should be on it.
National Commission on Prevention Priorities releases new preventive services rankings
In the January/February issue of Annals of Family Medicine, the National Commission on Prevention Priorities publishes a much anticipated update to its 2006 ranking of clinical preventive services.
Israeli backpackers demonstrated resounding leadership in aftermath of Nepal earthquake
A first-of-its-kind study exploring the experiences of tourists exposed to a natural disaster immediately in its aftermath reveals four dominant themes: emotional turmoil, quick recovery, springing into action, and connection to the army.
Experiments in mice may help boost newly FDA-approved therapy for spinal muscular atrophy
Johns Hopkins researchers along with academic and drug industry investigators say they have identified a new biological target for treating spinal muscular atrophy.
Boston experts release new international guidelines for thyroid disease in pregnancy
Thyroid disease is a common and frequently dangerous clinical problem during pregnancy.
Secret new weapon of insect-transmitted viruses exposed
Findings by a team of scientists, including two from the University of California, Riverside, could provide critical knowledge to attack deadly viruses transmitted by arthropods such as mosquitoes and aphids.
Warmer West Coast ocean conditions linked to increased risk of toxic shellfish
Hazardous levels of domoic acid, a natural toxin that accumulates in shellfish, have been linked to warmer ocean conditions in waters off Oregon and Washington for the first time by a NOAA-supported research team led by Oregon State University scientists.
Democrat senators vote for public health policies 4 times more often than GOP
Polarization in the Senate was displayed in a recent study that found a 67-percentage- point split between Democrats and Republicans when it comes to voting for public health policies endorsed by the American Public Health Association.
Crystallization method offers new option for carbon capture from ambient air
Scientists at the Department of Energy's Oak Ridge National Laboratory have found a simple, reliable process to capture carbon dioxide directly from ambient air, offering a new option for carbon capture and storage strategies to combat global warming.
Reducing drug dosage, and hearing loss in TB patients without reducing efficacy
Aminoglycosides, recommended by the World Health Organization to treat multidrug resistant tuberculosis, cause hearing loss and kidney damage in a dose dependent manner.
Massive genetic study of humpback whales to inform conservation assessments
Scientists have published one of the largest genetic studies ever conducted on the humpback whale (Megaptera novaeangliae) for the purpose of clarifying management decisions in the Southern Hemisphere and supporting calls to protect unique and threatened populations, according to WCS (Wildlife Conservation Society), the American Museum of Natural History, Columbia University, and other organizations.
Case Western receives $2.5 million Helmsley grant for 'smart' insulin development
The Leona M. and Harry B. Helmsley Charitable Trust awarded a $2.5 million grant to the Case Western Reserve University School of Medicine to continue research on a new form of insulin for those living with type 1 diabetes (T1D).
Boston College and MIT chemists report E-selective macrocyclic ring-closing metathesis
Using ring-closing metathesis to exploit the properties of carbon-carbon double bonds, researchers from Boston College and the Massachusetts Institute of Technology have developed a new catalytic approach for the preparation of compounds essential to drug discovery, the team reported today in the advance online publication of the journal Nature.
New study: What do health plan deductibles really mean for people with chronic illness?
For tens of millions of Americans, the start of a new year means the counter has gone back to zero on their health insurance deductible.
Species diversity reduces chances of crop failure in algal biofuel systems
When growing algae in outdoor ponds as a next-generation biofuel, a naturally diverse mix of species will help reduce the chance of crop failure, according to a federally funded study by University of Michigan researchers.
NHS England taken to task for sore throat 'test and treat plans' in pharmacies
Plans to run a 'test and treat' service for sore throat in community pharmacies in England are based on flimsy evidence and 'heroic assumptions' about the potential impact on family doctor appointments, concludes an editorial in this month's issue of the Drug and Therapeutics Bulletin.
Do exercise 'weekend warriors' lower their risks of death?
Is being a 'weekend warrior' and cramming the recommended amount of weekly physical activity into one or two sessions associated with lower risks for death?
Primary care physician involvement at end of life associated with less costly, less intensive care
A new study published in the January/February issue of Annals of Family Medicine finds that primary care physician involvement at the end of life is associated with less costly and less intensive end-of-life care.
Study: Where hospitals send surgery patients to heal matters a lot for health care costs
Thousands of times a day, doctors sign the hospital discharge papers for patients who have just had surgery.
Researchers reveal how cancer cells cope with genetic chaos
Scientists have uncovered how tumors are able to grow despite significant damage to the structure and number of their chromosomes, the storage units of DNA.
Progesterone may be key to preventing recurrent miscarriage
For women who suffer multiple pregnancy losses in the first four to six weeks of gestation, the hormone progesterone could offer hope for a successful birth, according to a new study by Yale School of Medicine researchers and their colleagues at University of Illinois at Chicago.
New framework could help online addicts reduce their usage
Research has shown that internet addicts do not always feel guilty about their usage, and in many cases, they do not even perceive their usage as problematic.
IBS affects women's quality of life more than men's
Double work and a high embarrassment factor can lead to the quality of life being affected more among women than men by irritable bowel syndrome (IBS), a very common gastrointestinal disease.
Older adults with arthritis need just 45 minutes of activity per week
Older adults who suffer from arthritis need to keep moving to be functionally independent.
Aggressive prostate cancer secrets revealed in landmark study
A landmark study, led by Monash University's Biomedicine Discovery Institute with the involvement of the Peter MacCallum Cancer Centre, has revealed the reason why men with a family history of prostate cancer who also carry the BRCA2 gene fault have a more aggressive form of prostate cancer.

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