Brightsurf Science News & Current Events

November 13, 2014
Scientists develop scoring scheme that predicts ability of cancer cells to spread
Scientists at the Cancer Science Institute of Singapore at the National University of Singapore and their collaborators have developed a scoring scheme that predicts the ability of cancer cells to spread to other parts of the body, a process known as metastasis.

Male bullies father more chimpanzees
In a long-term study of interactions between chimpanzees in the famous Gombe National Park in Tanzania, researchers have found that males who consistently bully females tend to father more babies with their victims.

Sleep disorders found to be highly prevalent in firefighters
In a national sample of almost 7,000 firefighters, researchers at Brigham and Women's Hospital examined the prevalence of common sleep disorders and their association with adverse health and safety outcomes and found that sleep disorders are highly prevalent, and associated with substantially increased risk of motor vehicle crashes and cardio-metabolic diseases among firefighters.

Enterotoxigenic E. coli worldwide are closely related
The strains of enterotoxigenic Escherichia coli (ETEC) that infect adults and children in Asia, Africa, and the Americas, have notably similar toxins and virulence factors, according to research published ahead of print in the Journal of Bacteriology.

IU researchers identify key mechanism and potential target to prevent leukemia
Researchers have identified two proteins that appear crucial to the development -- and patient relapse -- of acute myeloid leukemia.

New theory may help demystify pregnancy-related condition
Preeclampsia, a late-pregnancy disorder that is characterized by high blood pressure and organ damage, may be caused by problems related to meeting the oxygen demands of the growing fetus, experts say in a new Anaesthesia paper.

Without security, there can be no health care
Beyond deaths, injuries, and displacements, the ongoing Syrian war is causing growing infectious disease epidemics.

Britain's obese in denial about their weight
A majority of obese people in Britain would not describe themselves as 'obese,' and many would not even describe themselves as 'very overweight,' according to a Cancer Research UK study published in BMJ Open Friday.

Self-repairing software tackles malware
University of Utah computer scientists have developed software that not only detects and eradicates never-before-seen viruses and other malware, but also automatically repairs damage caused by them.

Facial motion a clue to difficulties in social interaction among autistic adults
People on the autistic spectrum may struggle to recognise social cues, unfamiliar people or even someone's gender because of an inability to interpret changing facial expressions, new research has found.

Award for research to stop bone destruction and tooth loss in gum disease
Researchers from Plymouth University Peninsula Schools of Medicine and Dentistry have received one of the prestigious 2014 Oral and Dental Research Trust-GSK Research Awards from the British Society of Oral and Dental Research, for a research project which seeks to re-program the immune system to stop bone destruction and tooth loss in severe gum disease.

Clues to one of Earth's oldest craters revealed
The Sudbury Basin located in Ontario, Canada is one of the largest known impact craters on Earth, as well as one of the oldest due to its formation more than 1.8 billion years ago.

Cancer-killing virus plus chemotherapy drug might treat recurrent ovarian cancer
In six out of 10 cases, ovarian cancer is diagnosed when the disease is advanced and five-year survival is only 27 percent.

Telephone coaches improve children's asthma treatment
A novel program at Washington University School of Medicine in St.

Self-doping may be the key to superconductivity in room temperature
Swedish materials researchers at Linköping and Uppsala University and Chalmers University of Technology, in collaboration with researchers at the Swiss Synchrotron Light Source in Switzerland investigated the superconductor YBa2Cu3O7-x (abbreviated YBCO) using advanced X-ray spectroscopy.

Ohio supercomputing experts to leverage conference presence
State-of-the-art supercomputers, sophisticated software and high-speed research networks will be on tap as Central Ohio technology experts travel this weekend to New Orleans for SC14, the international conference for high performance computing, networking, storage and analysis.

Ocean primed for more El Niño
Salinity and temperature records from corals in a remote Pacific island in Kiribati show the ocean has warmed over the last sixty years and has set up the conditions for stronger El Niño weather events, which could significantly affect Australian weather.

Architecture of a lipid transport protein revealed
For the first time, the complex architecture of a protein that controls the transport of lipids between the two layers of a cell membrane has been described.

UCI team develops test to rapidly diagnose bloodstream infection
A new bloodstream infection test created by UC Irvine researchers can speed up diagnosis times with unprecedented accuracy, allowing physicians to treat patients with potentially deadly ailments more promptly and effectively.

GOES-S satellite EXIS instrument passes final review
One of the instruments that will fly aboard NOAA's GOES-S satellite has completed its final review.

Females protect offspring from infanticide by forcing males to compete through sperm
Latest research shows the females of some species will have many mates to ensure unclear paternity, so that males can't resort to killing their rival's offspring for fear of killing their own.

Symbiotic plants are more diverse, finds new study
A new study published in PNAS finds that when plants develop mutually beneficial relationships with animals, mainly insects, those plant families become more diverse by evolving into more species over time.

NJIT forms an alliance with Drexel and Rowan to solve regional water problems
Water experts at NJIT, Drexel University and Rowan University are joining forces to tackle the increasingly complex challenges affecting water resources in the region, from shrinking supplies, to industrial contamination, to climate change.

Seismic hazard in the Puget Lowland, Washington state, USA
Seismic hazards in the Puget Lowland of northwestern Washington include deep earthquakes associated with the Cascadia subduction zone and shallow earthquakes associated with crustal faults across the region.

Hedgehog signaling pathway for breast cancer identified
Molecules called long non-coding RNAs -- lncRNAs -- have been implicated in breast cancer but exactly why they cause metastasis and tumor growth has been little understood... until now.

How Campylobacter exploits chicken 'juice' highlights need for hygiene
A study from the Institute of Food Research has shown that Campylobacter's persistence in food processing sites and the kitchen is boosted by 'chicken juice.' Organic matter exuding from chicken carcasses, 'chicken juice,' provides these bacteria with the perfect environment to persist in the food chain.

Cold-induced pain linked to the garlic and mustard receptor
Some people experience cold not only as feeling cold, but actually as a painful sensation.

It's not always the DNA
Scientists have mostly ignored mRNA, the molecule that ferries information from DNA to the cellular machines that make proteins, because these DNA transcripts are ephemeral and soon destroyed.

Wearable tech for the battlefield and people at risk for heart attacks
Wearable devices can count the steps you take and the calories you burn.

Moderate coffee consumption may reduce risk of type 2 diabetes by 25 percent
To mark World Diabetes Day, the Institute for Scientific Information on Coffee has published its annual diabetes report outlining the latest research on coffee and type 2 diabetes.

Lightning expected to increase by 50 percent with global warming
UC Berkeley atmospheric scientist David Romps and his colleagues looked at predictions of precipitation and cloud buoyancy in 11 different climate models and concluded that their combined effect will generate 50 percent more electrical discharges to the ground by the end of the century because of global warming.

Canadians with cystic fibrosis living 20 years longer than they did 2 decades ago
Canadians with cystic fibrosis are living almost 20 years longer than they did two decades ago, according to a new research paper.

Total recall: The science behind it
Is it possible to change the amount of information the brain can store?

New process isolates promising material
Northwestern University's Mark Hersam is working to isolate atomically thin layers of molybdenum disulfide, a material with applications in electronics, optoelectronics, solar cells, and catalysis.

Oxytocin helps to better overcome fear
Frightening experiences do not quickly fade from memory. A team of researchers under the guidance of the University of Bonn Hospital has now been able to demonstrate that the bonding hormone oxytocin inhibits the fear center in the brain and allows fear stimuli to subside more easily.

A beetle and its longtime fungal associate go rogue
The beetle/fungus complex behind Thousand Cankers Disease was once the equivalent of a hang nail for black walnut, but changes in the fungus, Geosmithia morbida, and walnut twig beetle behavior have made it lethal.

Ocean carbon uptake more variable than thought
The Earth's oceans are thought to have taken up about one quarter of the carbon dioxide that humans pumped into the atmosphere in the past two decades.

Ebola a stark reminder of link between health of humans, animals, environment
Though no one would call the Ebola pandemic a good thing, it has presented an opportunity for scientists to alert the public about the dire need to halt the spread of infectious diseases, especially in developing and densely populated areas of the world.

Ebola a stark reminder of link between health of humans, animals, environment
For many, global public health seems like an abstract and distant problem -- until the Ebola virus is diagnosed among people in our midst.

Study finds Alzheimer's drug may reduce the urge to binge eat
The Alzheimer's drug memantine may perform double-duty helping binge eaters control their compulsion.

Genetic testing could improve breast cancer prevention
Screening women for a wide range of known genetic risk factors could improve strategies for breast cancer prevention, a new analysis shows.

Treating trauma survivors without re-traumatization is focus of new book
With an estimated 67 percent of people having experienced some form of trauma in their lifetime, a new book is giving healthcare professionals the information and tools they need to prevent re-traumatization when caring for survivors of trauma.

Vietnam's health care system, explained by its Minister of Health, Nguyen Thi Kim Tien
Vietnam's Minister of Health, Nguyen Thi Kim Tien, was interviewed for Health Affairs by Tsung-Mei Cheng, a health policy research analyst at Princeton University's Woodrow Wilson School of Public and International Affairs.

NABT recognizes chemistry teacher with Genetics Education Award
The National Association of Biology Teachers has named Robert R.

Moms with rheumatoid arthritis more likely to give birth prematurely
Researchers from Denmark and the US report that babies of women with rheumatoid arthritis (RA) or pre-clinical RA -- the period prior to symptoms -- are 1.5 times more likely to be born prematurely in Denmark.

Guidelines say nearly all patients with chronic kidney disease should take statins
A comparison of two different cholesterol management guidelines indicates that the vast majority of patients with chronic kidney disease are recommended to receive statins.

Premature infants exposed to unsafe levels of chemical in medical products
Hospitalized premature infants are exposed to unsafe levels of a chemical found in numerous medical products used to treat them, raising questions about whether critically ill newborns may be adversely affected by equipment designed to help save their lives.

Dr. Angelos Halaris awarded for outstanding contributions to psychiatry
Loyola University Medical Center psychiatrist Angelos Halaris, M.D., Ph.D., was awarded the Athenian Prize for Outstanding Contributions to Psychiatry and Related Sciences during a recent meeting of the World Psychiatric Association Thematic Conference on Intersectional Collaboration.

Marching to our own sequence
A new study from geneticists at Harvard Medical School and the Broad Institute of Harvard and MIT has found that this replication plan -- including where the origin points are and in what order DNA segments get copied -- varies from person to person.

Plants have little wiggle room to survive drought, UCLA life scientists report
Plants worldwide are more sensitive to drought than many scientists realized, new research by life scientists at UCLA and China's Xishuangbanna Tropical Botanical Garden indicates.

Is there such a thing as 'Facebook Murder'?
Investigators recently set out to consider whether homicides involving social networking sites were unique and worthy of labels such as 'Facebook Murder,' and to explore the ways in which perpetrators had used such sites in the homicides they had committed.

Mars, too, has macroweather
Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar.

Nonclinical factors may affect whether intensive procedures are used at the end of life
In a study that looked at what factors might affect whether or not a patient receives intensive medical procedures in the last 6 months of life, investigators found that older age, Alzheimer's disease, cancer, living in a nursing home, and having an advance directive were associated with a lower likelihood of undergoing an intensive procedure.

Cookie Monster teaches self-control
Deborah Linebarger, an associate professor in the UI College of Education's Department of Teaching and Learning, found preschoolers who watched videos of Cookie Monster practicing ways to control his desire to eat chocolate chip cookies had more self-control than preschoolers who didn't see the videos.

Gene variants in organ donors linked to shorter survival of transplanted kidneys
Transplanted kidneys may not function long-term if they come from donors with variants in a particular gene.

Magnetic fields frozen into meteorite grains tell a shocking tale of solar system birth
Astrophysicist Steve Desch of ASU's School of Earth and Space Exploration says that magnetic clues in a meteorite outline the earliest steps in the formation of the solar system and Earth-like planets.

New findings could help keep satellites and space debris from colliding
Half a million objects, including debris, satellites, and the International Space Station, orbit the planet in the thermosphere, the largest layer of Earth's atmosphere.

'Topological insulators' promising for spintronics, quantum computers
Researches have uncovered 'smoking-gun' evidence to confirm the workings of an emerging class of materials that could make possible 'spintronic' devices and practical quantum computers far more powerful than today's technologies.

Pulling together the early solar system
A new study finds that a strong magnetic field whipped the early solar system into shape.

Combatting illegal fishing in offshore marine reserves
Conservation scientists say there needs to be a new approach to protecting offshore marine reserves.

For female chimpanzees, no consent agreement
In the animal kingdom, the battle of the sexes often truly becomes a battle.

Intimidating chimpanzee males are more likely to become fathers
Chimpanzee males that treat females aggressively father more offspring over time.

Research reveals promising technology to expand hard cider industry
A new study by researchers at Washington State University shows that mechanical harvesting of cider apples can provide labor and cost savings without affecting fruit, juice, or cider quality.

Direct drug screening of patient biopsies could overcome resistance to targeted therapy
A new screening platform using cells grown directly from tumor biopsy samples may lead to truly individualized treatment strategies that would get around the problem of treatment resistance, which limits the effectiveness of current targeted therapy drugs.

How adult fly testes keep from changing into ovaries
New research in flies shows how cells in adult reproductive organs maintain their sexual identity.

UH chemists develop porous molecules that bind greenhouse gases
A team of University of Houston chemistry researchers have developed a molecule that assembles spontaneously into a lightweight structure with microscopic pores capable of binding large quantities of several potent greenhouse gases.

Rutgers Chemistry's Ki-Bum Lee patents technology to advance stem cell therapeutics
Rutgers researchers have developed a highly robust, efficient nanoparticle-based platform that can regulate gene expression and eventually stem cell differentiation.

Researchers develop novel method to prevent, cure rotavirus infection
Activation of the innate immune system with the bacterial protein flagellin could prevent and cure rotavirus infection, which is among the most common causes of severe diarrhea, says a Georgia State University research team that described the method as a novel means to prevent and treat viral infection.

Effectiveness of innovative gene therapy treatment demonstrated in canine model of DMD
A collaboration involving three laboratories supported by the AFM-Telethon, Atlantic Gene Therapies, Généthon and the Institute of Myology, demonstrated the effectiveness of an innovative gene therapy treatment in the canine model of Duchenne muscular dystrophy.

Novel cancer vaccine approach for brain tumors
Researchers unravel the mechanisms behind a novel cancer vaccine for brain tumors, paving the way for further development.

The answer is blowing in the intergalactic wind
Astronomers from the University of Toronto and the University of Arizona have provided the first direct evidence that an intergalactic 'wind' is stripping galaxies of star-forming gas as they fall into clusters of galaxies.

New Alzheimer's-related memory disorder identified
A multi-institutional study has defined and established criteria for a new neurological disease closely resembling Alzheimer's disease called primary age-related tauopathy (PART).

Many dialysis patients unprepared for emergencies and disasters
Patients on dialysis are very vulnerable during emergencies or disasters, but many are unprepared for such situations.

What leads to weight loss success in adults with asthma?
Among overweight and obese adults who had asthma and participated in weight loss programs, more severe asthma, male sex, and improvements in eating behaviors were all linked with better success at losing weight.

Telemedicine screening for diabetic retinopathy finds condition in 1 of 5 patients
A telemedicine program to screen for diabetic retinopathy, a leading cause of blindness, at urban clinics and a pharmacy predominantly serving racial/ethnic minority and uninsured patients with diabetes found the condition in about one in five people screened, according to a study published online by JAMA Ophthalmology.

New way to move atomically thin semiconductors for use in flexible devices
Researchers have developed a new way to transfer thin semiconductor films, which are only one atom thick, onto arbitrary substrates, paving the way for flexible computing or photonic devices.

Use of private social media affects work performance
New research from the Faculty of Psychology at the University of Bergen shows that the use of online social media for personal purposes during working hours can have a negative effect on work performance and the well-being of organizations.

How the breast cancer cells transform normal cells into tumoral ones?
Researchers at the Bellvitge Biomedical Research Institute of Bellvitge, the Catalan Institute of Oncology and the University Hospital of Bellvitge have participated in an international study published in the journal Cancer Cell that describes how exosomes secreted by tumor cells contain protein and microRNA molecules capable of transform neighboring cells into tumoral cells promoting tumor growth.

Modified DNA backbone enables success of existing and novel oligonucleotide therapeutics
The two US FDA-approved oligonucleotide-based drugs on the market both have a modified chemical backbone made of phosphorothioates.

Jose Biller honored by Mexican Academy of Neurology
Loyola University Medical Center neurologist Jose Biller, M.D., has been named an Honorary Fellow of the Mexican Academy of Neurology for his contributions in the development of academic neurology.

Trinity scientists make breakthrough in understanding Parkinson's disease
The scientists showed that the Parkin protein functions to repair or destroy damaged nerve cells, depending on the degree to which they are damaged.

Molecular time signalling controls stem cells during brain's development
Researchers at Karolinska Institutet in Sweden have succeeded in explaining how stem cells in the brain change to allow one type of stem cell to produce different cell types at different stages.

Morgridge scientists find way to 'keep the lights on' for cell self-renewal
A team from the Morgridge Institute for Research regenerative biology group, led by stem cell pioneer James Thomson, discovered a way to impose an immortal-like state on mouse progenitor cells responsible for producing blood and vascular tissue.

New football helmet innovation from University of Washington startup wins NFL award
Seattle-based University of Washington and its commercial partner, 2014 UW startup VICIS, Inc., developer of a new football helmet designed to mitigate the forces likely to cause concussion, have been named one of the winners of the National Football League, GE and Under Armour funded Head Health Challenge II.

Molecule fights cancer on 2 fronts
Researchers at the University of Leeds have made a new synthetic anti-cancer molecule that targets two key mechanisms in the spread of malignant tumors through the body.

Study offers new clue into how anesthesia works
The activity of ion channel proteins that are important for cell-to-cell communication is markedly reduced during anesthesia, according to researchers from Weill Cornell Medical College.

UNC researchers silence leading cancer-causing gene
Researchers have developed a new approach to block the KRAS oncogene, one of the most frequently mutated genes in human cancer.

Seven new projects announced by the UK's Pancreatic Cancer Research Fund
The UK research charity, the Pancreatic Cancer Research Fund, has invested £1.2 million into seven ambitious new research projects.

New drug targets may lead to effective Ebola treatments
There are no approved treatments or preventatives against Ebola virus disease, but investigators have now designed peptides that mimic the virus' N-trimer, a highly conserved region of a protein that's used to gain entry inside cells.

Study: Disgust leads people to lie and cheat; cleanliness promotes ethical behavior
While feelings of disgust can increase behaviors like lying and cheating, cleanliness can help people return to ethical behavior, according to a recent study by marketing experts at Rice University, Pennsylvania State University and Arizona State University.

U of G scientists find way to reduce ovarian cancer tumors, chemo doses
In a potential breakthrough against ovarian cancer, University of Guelph researchers have discovered how to both shrink tumours and improve drug delivery, allowing for lower doses of chemotherapy and reducing side effects.

Scientists unlock crucial mechanism driving colliding epidemics of smoking and TB
TB is an infectious disease that kills 1.5 million people each year and smoking is the biggest driver of the global TB epidemic.

TMT launches the Hawaii Island New Knowledge (THINK) fund
The Thirty Meter Telescope has launched THINK Fund to better prepare Hawaii Island students to master STEM and to become the workforce for higher paying science and technology jobs in Hawaii's 21st century economy.

Software to automatically outline bones in X-rays
Research into disorders such as arthritis is to be helped by new software developed at the University of Manchester which automatically outlines bones -- saving thousands of hours of manual work.

Genotype found in 30 percent of ALS patients speeds up disease progression
Mice bred to carry a gene variant found in a third of ALS patients have a faster disease progression and die sooner than mice with the standard genetic model of the disease, according to Penn State College of Medicine researchers.

Carnegie Institution receives Phase II Grand Challenges Explorations funding
Carnegie announced today that it will receive Phase II funding through Grand Challenges Explorations, an initiative created by the Bill & Melinda Gates Foundation that enables individuals worldwide to test bold ideas to address persistent health and development challenges.

Researchers discover that the liver and brain communicate in order to regulate appetite
A study published in Diabetes demonstrates that high hepatic glucose stores in mice prevents weigh gain.

Aiming high: Tel Aviv University research leads to historic comet landing
For the first time in history, a spacecraft has landed on a comet.

Cats and athletes teach robots to fall
Georgia Tech studies mid-air orientation and impact behavior in both cats and humans as it applies to reduced impact in falling robots, especially those that one day may be used for search-and-rescue missions in hazardous conditions.

Parental age at childbirth may affect metabolism of adult offspring
In a study of middle-aged men who were overweight, researchers found that if a man's parents were older at the time of his birth, he was more likely to have lower blood pressure, more favorable cholesterol levels, and improved glucose metabolism.

LSU Health New Orleans research targets deadly intra-abdominal infections
Mairi Noverr, Ph.D., associate professor of prosthodontics at LSU Health New Orleans School of Dentistry's Center of Excellence in Oral Biology, has been awarded a $1.8 million grant by the National Institute of Allergy and Infectious Diseases.

Solving the puzzle of cooperation in group environments
Research has shown that when two individuals meet repeatedly they are more likely to cooperate with one another.

Bacteria become 'genomic tape recorders'
MIT researchers find engineered E. coli can store long-term memories of chemical exposure, other events in their DNA.

People show 'blind insight' into decision making performance
People can gauge the accuracy of their decisions, even if their decision making performance itself is no better than chance, according to a new study published in Psychological Science, a journal of the Association for Psychological Science.

'Tis the season to indulge in walnuts
Researchers at UC Davis and other institutions have found that diets rich in whole walnuts or walnut oil slowed prostate cancer growth in mice.

Forecasting diseases using Wikipedia
Analyzing page views of Wikipedia articles could make it possible to monitor and forecast diseases around the globe, according to research publishing this week in PLOS Computational Biology.

Bio-inspired bleeding control
Stanching the free flow of blood from an injury remains a holy grail of clinical medicine.

Sharpening state spending on seniors
As our society ages, a University of Montreal study suggests the health system should be focusing on co-morbidity and specific types of disabilities that are associated with higher health care costs for seniors, especially cognitive disabilities.

Switching on a dime: How plants function in shade and light
Plants grow in environments where the availability of light fluctuates quickly and drastically, for example from the shade of clouds passing overhead or of leaves on overhanging trees blowing in the wind.

$100,000 Kresge Foundation grant to support CitizenDetroit
The Kresge Foundation has awarded Wayne State University a $100,000, one-year grant to support CitizenDetroit, a community outreach program of the Forum on Contemporary Issues in Society.

Bird battles promote unity on the front line
Like the Three Musketeers' famous strategy of 'all for one, and one for all,' birds marshal their troops to defend key resources when threatened by rivals, new research from the University of Bristol has found.

Western researchers identify estrogen's role in regulating common health disease risks
Researchers at Western University's Robarts Research Institute have identified that an estrogen receptor, previously shown to regulate blood pressure in women, also plays an important role in regulating LDL cholesterol levels.

New Megaselia fly inspires the invention of innovative method for streamlined descriptions
Scientists from the Natural History Museum of Los Angeles describe a new distinctive fly species of the highly diverse genus Megaselia.

Bigger is not always better
Patients suffering from a hip fracture receive higher quality of care and have a lower mortality rate in smaller hospital departments.

Harnessing the digital sharing revolution to drive global health research
The Global Health Network's suite of innovative free research tools can help tropical medicine researchers to collaborate, as reported in PLOS Neglected Tropical Diseases article, 'Strengthening Neglected Tropical Disease Research through Enhancing Research-Site Capacity: An Evaluation of a Novel Web Application to Facilitate Research Collaborations,' Furtado et al 2014, in an evaluation of one of the Network's newest tools, SiteFinder.

Research reveals the real cause of death for some starburst galaxies
Gregory Rudnick and a team of fellow astronomers have solved the mystery of why compact, young galaxies become galactic ruins.

Study: Fungus behind deadly disease in walnut trees mutates easily, complicating control
Researchers from Purdue and Colorado State universities have discovered that the fungus responsible for thousand cankers disease, a lethal affliction of walnut trees and related species, has a rich genetic diversity that may make the disease more difficult to control.

Tumor suppressor also inhibits key property of stem cells, Stanford researchers say
A protein that plays a critical role in preventing the development of many types of human cancers has been shown also to inhibit a vital stem cell property called pluripotency, according to a study by researchers at the Stanford University School of Medicine.

Common cholesterol-fighting drug may prevent hysterectomies in women with uterine fibroids
Researchers at the University of Texas Medical Branch at Galveston, in collaboration with The University of Texas Health Science Center at Houston, Baylor College of Medicine and the Georgia Regents University, report for the first time that the cholesterol-lowering drug simvastatin inhibits the growth of human uterine fibroid tumors.

EPA's Clean Power Plan: Economic strengths and weaknesses
Thirteen top economists analyze the Obama Administration's main climate policy in Science.

Legally prescribed opioid use may increase mortality in chronic pain patients
Associations between opioid-related overdoses and increased prescription of opioids for chronic noncancer pain are well known.

Researchers calculate 'hidden' emissions in traded meat
An international team of researchers has, for the first time, estimated the amount of methane and nitrous oxide that countries release into the atmosphere when producing meat from livestock, and assigned the emissions to the countries where the meat is ultimately consumed. 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