Brightsurf Science News & Current Events

March 19, 2018
Diabetes medicine reduces liver fat in nonalcoholic fatty liver disease
In people with type 2 diabetes, nonalcoholic fatty liver disease (NAFLD) is common and can progress to a severe liver disease known as nonalcoholic steatohepatitis (NASH).

Taxing sugar-sweetened beverages increase stigma for low-income groups, Aboriginal peoples
When considering taxing sugar-sweetened beverages in Canada, policy-makers should look at lessons learned from tobacco taxation, especially how taxation could increase inequalities and stigma, argues an analysis in CMAJ.

Primary care physicians report feeling unprepared for role in prenatal oral health
A new study from the University of North Carolina at Chapel Hill suggests that primary care physicians may feel underequipped to provide adequate oral health counseling to pregnant women.

Social determinants of health linked to HIV mortality rates
People who are living with HIV in Ontario have access to good health care and medications, yet they are still dying younger and at substantially higher rates than the rest of the population, according to a new study published today.

Designing diamonds for medical imaging technologies
Japanese researchers have optimized the design of laboratory-grown, synthetic diamonds.

Premature hearts less able to cope with exercise
The hearts of people born prematurely are less able to cope with the pressures of exercise in adulthood, according to a new study published in the Journal of the American College of Cardiology and part-funded by the British Heart Foundation.

Social, public health services crucial in fight against HIV/AIDS
Patients at risk for HIV need to be linked to services -- such as mental health and syringe exchange programs -- that will help them stay in care, adhere to medication and avoid reinfection, a new University of Michigan study suggests.

From landfill to lipstick: Grape waste as a cosmetic and food ingredient
The world drinks a lot of wine, and that means a lot of grapes are consumed.

Rheumatoid arthritis meets precision medicine
Scientists are bringing precision medicine to rheumatoid arthritis for the first time by using genetic profiling of joint tissue to see which drugs will work for which patients, reports a new multi-site study.

Implantable sensor relays real-time personal health data to a cell phone
Personalized medicine is one step closer thanks to tiny, implantable sensors that can send data to a computer or cell phone to give early warning of a person's developing health problems.

Study: One-third of young adults have ridden with an impaired driver
A new study led by a Colorado State University researcher indicates that riding with an impaired driver is prevalent among emerging adults, with 33 percent of recent high school grads reporting the risky behavior at least once in the previous year.

New UTSA study presents method to stop cyber attacks on GPS-enabled devices
A new study by researchers Nikolaos Gatsis, David Akopian and Ahmad F.

Minimally invasive treatment reduces knee pain and disability from osteoarthritis
A nonsurgical treatment could improve quality of life for patients with knee pain due to osteoarthritis, according to new research presented today at the Society of Interventional Radiology's 2018 Annual Scientific Meeting.

Interest rate hikes 'pose mental health threat to people in debt'
Interest rate hikes by central banks can impact on the mental health of people in debt, a new study led by University of Stirling experts has found.

Certain antidepressants more effective in treating youth anxiety disorder, analysis shows
A meta-analysis study by University of Cincinnati researchers shows for the first time that SSRIs may be the more effective antidepressant treatment for youth anxiety disorder.

Decoding the chemistry of fear
A Salk team charts the pathway for fear in worms to reveal more about human anxiety.

Mothers living with food insecurity less likely to breastfeed exclusively to 6 months
Mothers with babies living in households with food insecurity -- inadequate or unpredictable access to food because of financial issues -- are less likely to breastfeed exclusively to the recommended six months, found a study published in CMAJ.

Adults' political leanings linked with early personality traits
Our political attitudes in adulthood have roots in early childhood temperament, according to new findings published in Psychological Science, a journal of the Association for Psychological Science.

Environmentally friendly cattle production (really)
When cattle congregate, they're often cast as the poster animals for overgrazing, water pollution and an unsustainable industry.

Fasting diets reduce important risk factor for cardiovascular disease
Intermittent energy restriction diets such as the 5:2 diet clears fat from the blood quicker after eating meals compared with daily calorie restriction diets, reducing an important risk factor for cardiovascular disease, a new study in the British Journal of Nutrition reports.

Cutting carbon emissions sooner could save 153 million lives
Up to 153 million premature deaths linked to air pollution could be avoided this century if governments accelerate efforts to reduce fossil fuel emissions, a Duke-led study finds.

Tooth health may indicate diabetes risk
Poor dental health may be linked with increased risk for diabetes, a new study suggests.

Large study on cancer in the Métis people of Canada
The incidence of all cancers combined was similar for Métis men and significantly higher for Métis women compared to non-Aboriginal men and women, found a study published in CMAJ.

Fish accounted for surprisingly large part of the Stone Age diet
New research at Lund University in Sweden can now show what Stone Age people actually ate in southern Scandinavia 10 000 years ago.

Scientists synthesized a new substance with considerable antitumoral properties
Scientists from Far Eastern Federal University developed a new synthetic derivative of fascaplysin -- a biologically active substance with antitumoral properties obtained from sea sponges.

Liquid-to-glass transition process gains clarity
Paul Voyles, the Beckwith-Bascom Professor in materials science and engineering at the University of Wisconsin-Madison, and collaborators in Madison and at Yale University have made significant experimental strides in understanding how, when and where the constantly moving atoms in molten metal 'lock' into place as the material transitions from liquid to solid glass.

In children with obesity, impulsivity may be linked with greater weight loss when treated
Children with obesity may be more impulsive than those with normal weight, but during family-based behavioral treatment (FBT), the more impulsive of children with obesity may lose more weight, a new study suggests.

Drawing inspiration from plants and animals to restore tissue
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and the Wyss Institute for Biologically Inspired Engineering have developed new wound dressings that dramatically accelerate healing and improve tissue regeneration.

Identifying 'designer' drugs taken by overdose patients
Medical professionals are scrambling to meet growing demand for emergency room treatment of drug overdoses, but they're hampered by the lack of a quick and easy test to screen patients for synthetic 'designer' drugs.

How allergens trigger asthma attacks
A team of Inserm and CNRS researchers from the Institute of Pharmacology and Structural Biology -- or IPBS -- have identified a protein that acts like a sensor detecting various allergens in the respiratory tract responsible for asthma attacks.

Historians to climate researchers: Let's talk
Ours is not the first society to be confronted by massive environmental change.

A third of young adults have ridden with an impaired driver, NIH analysis suggests
Roughly a third of recent high school graduates have ridden in a motor vehicle with a substance-impaired driver, according to a study by researchers at the National Institutes of Health and other institutions.

Glacier mass loss: Past the point of no return
Researchers from the Universities of Bremen and Innsbruck show in a recent study that the further melting of glaciers cannot be prevented in the current century -- even if all emissions were stopped now.

Study finds association between mother's larger waist size, child's autism risk
A new study finds children born to mothers who had a larger waist size before pregnancy may be more likely to have autism than those whose mothers had a smaller pre-pregnancy waist.

Muslims face high rates of discrimination in Canada
One in five Muslim Canadians say they have experienced discrimination due to their religion, ethnicity or culture at least once in the past five years.

So close, yet so far: Making climate impacts feel nearby may not inspire action
Jonathon Schuldt, assistant professor of communication at Cornell University, says it is possible to make faraway climate impacts feel closer.

Newly described human antibody prevents malaria in mice
Scientists have discovered a human antibody that protected mice from infection with the deadliest malaria parasite, Plasmodium falciparum.

Suicide risk for youth sharply higher in the months after self-harm
A study led by Columbia University Irving Medical Center (CUIMC) revealed that young Americans had a sharply higher risk of suicide in the months after surviving a deliberate self-harm attempt.

Paraplegic rats walk again after therapy, now we know why
Paraplegic rats walk again in response to neuroprosthetic rehabilitation that allows the brain to elaborate new routes so that motor commands about walking, swimming and even climbing staircases reach spinal cord execution centers below the injury.

Poorer socioeconomic status predicts lower survival in patients with anal cancer
If you are from a lower income area, your chances of surviving anal cancer are significantly reduced, according to a new study led by investigators at NYU Langone Health's Perlmutter Cancer Center.

Young at wrong end of deprivation gap, finds study
The under thirties have endured most the marked increase in relative deprivation of any age group in England, according to a 11-year study of data from the Office of National Statistics (ONS).

Wearable heart rate monitor could signal low blood sugar in type 1 diabetes
A wearable medical patch measuring the beat-to-beat variation in heart rate is a promising device for the early detection of hypoglycemia, or low blood sugar, in type 1 diabetes, according to the researchers who tested the new monitor.

Measuring neutrophil motility could lead to accurate sepsis diagnosis
Microfluidic device developed by Massachusetts General Hospital investigators may help solve a significant and persistent challenge in medicine -- diagnosing the life-threatening complication of sepsis.

Immune cell target that may prevent or delay heart failure after pressure overload
Researchers have identified a therapeutic target to prevent or delay heart failure from pressure overload of the heart, and a potential biomarker for the same.

Scientists invented method of catching bacteria with 'photonic hook'
An international research team discovered a new type of curved light beams, dubbed a

Scientists have a new way to gauge the growth of nanowires
In a new study, researchers from the US Department of Energy's Argonne and Brookhaven National Laboratories observed the formation of two kinds of defects in individual nanowires, which are smaller in diameter than a human hair.

Human influence on climate change will fuel more extreme heat waves in US
Human-caused climate change will drive more extreme summer heat waves in the western US, including in California and the Southwest as early as 2020, new research shows.

Molecular cuisine for gut bacteria
Scientific recipes to successfully grow and study gut bacteria in the lab: that's what EMBL scientists are publishing in Nature Microbiology on March 19.

Agriculture initiated by indigenous peoples, not Fertile Crescent migration
Small scale agricultural farming was first initiated by indigenous communities living on Turkey's Anatolian plateau, and not introduced by migrant farmers as previously thought, according to new research by the University of Liverpool.

Scientists discover new causes of cellular decline in prematurely aging kids
Saint Louis University researchers have uncovered new answers about why cells rapidly age in children with a rare and fatal disease.

Are traumatic brain injuries in kids associated with later ADHD?
Severe traumatic brain injury in children was associated with increased risk for later onset of attention-deficit/hyperactivity up to about seven years after injury.

Deeper insight into viral infections
Würzburg researchers have developed a new analysis technique that sheds more light on viral infections.

New research into letter-spacing could help improve children's reading
Increased letter spacing helps individuals read faster, but not due to visual processing, according to new research from Binghamton University, State University of New York.

Programming DNA to deliver cancer drugs
A research team at the University of Delaware has developed technology to program strands of DNA into switches that turn proteins on and off.

Ocean acidification: Herring could benefit from an altered food chain
Many studies have shown that larvae of various fish species can be negatively affected by ocean acidification.

New osteoarthritis genes discovered, paving way for new therapies
In the largest study of its kind, nine novel genes for osteoarthritis have been discovered by scientists from the University of Sheffield and their collaborators.

LSD blurs boundaries between the experience of self and other
LSD reduces the borders between the experience of our own self and others, and thereby affects social interactions.

Detection, deterrent system will help eagles, wind turbines coexist better
Researchers have taken a key step toward helping wildlife coexist more safely with wind power generation by demonstrating the success of an impact detection system that uses vibration sensors mounted to turbine blades.

What is the cost of interrupting a radiologist?
A first of its kind study shows typical interruptions experienced by on-call radiologists do not reduce diagnostic accuracy but do change what they look at and increase the amount of time spent on a case.

Three genes essential for cells to tell time
One family of genes allows cells to adapt to daily changes in environmental conditions by adjusting their internal 'body clock,' the circadian clock responsible for regular sleep-wake cycles.

Eliminating injustice imposed by the death penalty
The Black Lives Matter movement has called for the abolition of capital punishment in response to what it calls 'the war against Black people' and 'Black communities.' This article defends the two central contentions in the movement's abolitionist stance: first, that US capital punishment practices represent a wrong to black communities, and second, that the most defensible remedy for this wrong is the abolition of the death penalty.

Pregnant women and new moms still hesitant to introduce peanut products
In January 2017 guidelines were released urging parents to begin early introduction of peanut-containing foods to reduce the risk of peanut allergy.

Arctic sea ice becoming a spring hazard for North Atlantic ships
More Arctic sea ice is entering the North Atlantic Ocean than before, making it increasingly dangerous for ships to navigate those waters in late spring, according to new research.

Beta cell-seeded implant restores insulin production in type 1 diabetes mouse model
Researchers have successfully created a novel biomaterial that can be seeded with insulin-producing beta cells.

A reference catalog for the rumen microbiome
In Nature Biotechnology, an international team including scientists at the US Department of Energy (DOE) Joint Genome Institute (JGI), a DOE Office of Science User Facility, present a reference catalog of rumen microbial genomes and isolates cultivated and sequenced from the Hungate1000 collection.

Wolovick: Geoengineering polar glaciers to slow sea-level rise
Targeted geoengineering to preserve continental ice sheets deserves serious research and investment, argues an international team of researchers in a Comment published March 14 in the journal Nature.

Rice University scientists create microscopic 'swimmers' controlled by a magnetic field
Microscopic, magnetic 'swimmers' may someday be used to carry cargoes in fluids, such as drugs that need precise placement to treat disease.

NASA analyzes Tropical Cyclone Eliakim's rainfall, wind shear now affecting storm
Tropical Cyclone Eliakim soaked the eastern coast of Madagascar as it moved in a southerly path.

Quintupling inhaler medication may not prevent asthma attacks in children
Children with mild to moderate asthma do not benefit from a common practice of increasing their inhaled steroids at the first signs of an asthma exacerbation, according to clinical trial results published in The New England Journal of Medicine.

New pheromone insight may help predict mountain pine beetle outbreaks
Researchers at the University of British Columbia have shed new light on how mountain pine beetles produce an important pheromone called trans-verbenol, which could aid in efforts to better predict outbreaks.

Severe war injuries and PTSD can impact hypertension risk
US service members severely injured in the Iraq or Afghanistan wars or diagnosed with PTSD (posttraumatic stress disorder) face a greater risk of high blood pressure.

What happens to a dying cell's corpse? New findings illuminate an old problem
Scientists have discovered a curious way for cells to die.

New biomarkers for neuroblastoma, a type of cancer in children
Two new biomarkers for a type of cancer in children called neuroblastoma have been identified in a study published in the journal Cancer Cell.

Making intricate images with bacterial communities
A technique for growing sticky films of bacteria into elaborate microscopic images could reveal how potentially dangerous biofilms grow and transmit antibiotic resistance, and could lead to novel biomaterials or synthetic microbial communities.

Study suggests helium plays a 'nanny' role in forming chemical compounds under pressure
Helium, a noble gas, was long believed to be 'too aloof' to react with the other elements on the periodic table.

New osteoarthritis genes discovered
In the largest study of its kind, nine novel genes for osteoarthritis have been discovered by scientists from the Wellcome Sanger Institute and their collaborators.

Cosmologists create largest simulation of galaxy formation, break their own record
An international consortium of cosmology researchers are releasing initial findings from IllustrisTNG, their follow-up to the 2015 record-breaking Illustris simulation -- the largest-ever hydrological simulation of galaxy formation.

Physicists discover new quantum electronic material
MIT, Harvard, and LBNL physicists have discovered a new quantum electronic material, the 'kagome metal,' whose atomic structure resembles a Japanese basketweaving pattern and exhibits exotic, quantum behavior.

A future colorfully lit by mystifying physics of paint-on semiconductors
It defies conventional wisdom about semiconductors. It's baffling that it even works.

Don't blame adolescent social behavior on hormones
Reproductive hormones that develop during puberty are not responsible for changes in social behavior that occur during adolescence, according to the results of a newly published study by a University at Buffalo researcher.

At first blush, you look happy -- or sad, or angry
Our faces broadcast our feelings in living color -- even when we don't move a muscle.

Progress toward a new flu treatment, thanks to a small tweak
This year's aggressive flu season reminds everyone that although the flu vaccine can reduce the number of people who contract the virus, it is still not 100 percent effective.

Vaginal estrogen tablets, moisturizers and placebo gel all can improve vaginal discomfort
A clinical trial comparing two treatments for postmenopausal vaginal discomfort -- low-dose vaginal estrogen and a vaginal moisturizer -- to placebo treatments found that both produced symptom improvements similar to those associated with the placebos.

Stem cells treat macular degeneration
UCSB researchers helped develop a specially engineered retinal patch to treat people with sudden, severe sight loss.

Mars' oceans formed early, possibly aided by massive volcanic eruptions
A new theory about how oceans and volcanoes interacted during the early history of Mars supports the idea that liquid water was once abundant and may still exist underground.

Modified biomaterials self-assemble on temperature cues
Biomedical engineers from Duke University have demonstrated a new approach to making self-assembled biomaterials that relies on protein modifications and temperature.

HRD-positive breast cancer patients fare better with adjuvant AC chemotherapy
People with tough-to-treat triple negative breast cancer, whose tumors also don't allow for double-strand DNA repair, fare better when treated with a common adjuvant breast cancer chemotherapy combination, according to results from a SWOG clinical trial.

New method manages and stores data from millions of nerve cells -- in real time
Recent developments in neuroscience set high requirements for sophisticated data management, not least when implantable Brain Machine Interfaces are used to establish electronic communication between the brain's nerve cells and computers.

Scientists detect radio echoes of a black hole feeding on a star
An MIT scientist has detected radio echoes of a black hole feeding on a star, suggesting black hole emits a jet of energy proportional to the stellar material it gobbles up.

Commonly used drugs affect our gut bacteria
One in four drugs with human targets inhibit the growth of bacteria in the human gut.

Single steroid-bronchodilator treatment for control and rescue improves persistent asthma
When it comes to treating teens and adults with persistent asthma, using a single corticosteroid and long-acting bronchodilator treatment for both daily asthma control and for rescue relief during sudden asthma attacks is more effective than taking separate medications for daily control and rescue, according to an analysis led by University of Connecticut researchers.

High omega-6 levels can protect against premature death
Could omega-6 fatty acids protect you against premature death? The answer is yes, according to a new University of Eastern Finland study.

TGen tests ultrasound as way to enhance cancer drug delivery
A Norwegian biotech company called Phoenix Solutions AS is working with the Translational Genomics Research Institute (TGen), a Phoenix, Arizona-based biomedical research facility, to test the use of these pulsed sound waves to direct and focus cancer drug therapies.

IU Bloomington scientists examine reproducibility of research issues and remedies
Reproducibility of scientific findings has long been an important indicator of the validity of data gleaned from research, a process deemed even more critical in this age of ever-changing technologies and methods.

Robocalls improve diabetes eye screening among low-income minorities
Automated reminder calls may be an effective tool to improve screening for diabetic eye disease among low-income minority patients, especially African Americans, a new study finds.

Palm trees are spreading northward. How far will they go?
What does it take for palm trees, the unofficial trademark of tropical landscapes, to expand into northern parts of the world that have long been too cold for palm trees to survive?

A small, daily dose of Viagra may reduce colorectal cancer risk
A small, daily dose of Viagra significantly reduces colorectal cancer risk in an animal model that is genetically predetermined to have the third leading cause of cancer death, scientists report.

Insulin pump known to be effective in adolescents, adults also benefits children
The MiniMed™ 670G insulin pump system (Medtronic, Northridge, California) can improve glycemic outcomes in children with type 1 diabetes as young as 7 years of age, according to an industry-funded study.

Vulnerable populations: A special CMAJ focus
Canada's major medical journal, CMAJ, will champion the health of vulnerable populations with a special focus on groups that experience adverse health outcomes because of poverty, isolation, discrimination and other factors.

More people miss NHS appointments when clocks go forward
The numbers of missed hospital outpatient appointments increases following the clock change in the spring, researchers have shown.

A breakthrough in our understanding of how red blood cells develop
For the first time, cellular machines called ribosomes -- which create proteins in every cell of the body -- have been linked to blood stem cell differentiation.

Molecular doorstop could be key to new tuberculosis drugs
In discovering how an antibiotic kills the bacteria that cause tuberculosis, scientists open the door to new treatments for the disease -- and possibly others, as well.

Tiny implants for cells are functional in vivo
For the first time, an interdisciplinary team from the University of Basel has succeeded in integrating artificial organelles into the cells of living zebrafish embryos.

Prostate MRI reveals more treatable cancers, reduces overdiagnosis than standard biopsy
A large international study has shown that an MRI scan can reduce the number of invasive prostate biopsies by up to 28 percent.

Women with food insecurity less likely to breastfeed: U of T study
Researchers from the University of Toronto have shown that women who struggle to afford food are less able to sustain breastfeeding than those who are food-secure -- even though women in both groups start the practice at about the same rate.

Transcription factor helps tumors grow in low oxygen, resist anticancer therapies
An international team of researchers led by Keiji Tanimoto found how cancer cells respond to DNA damage signaling when in low oxygen, or hypoxia.

Visual recognition: Seeing the world through the eyes of rodents
Man or woman, happy or sad. The visual process that allows us to recognize someone's gender or emotional state is very sophisticated.

UC Santa Cruz research signals arrival of a complete human genome
Research from a UC Santa Cruz Genomics Institute-affiliated team just published in the journal Nature Biotechnology attempts to close huge gaps remain in our genomic reference map.

Poll: Social media makes it both easier and more challenging to parent tweens
As children hit the 'tween' stage, parents may struggle balancing the need for independence with appropriate supervision -- and social media has changed the ground rules.

A new kind of quantum bits in two dimensions
Two novel materials, each composed of a single atomic layer and the tip of a scanning tunneling microscope - these are the ingredients to create a novel kind of a so-called 'quantum dot'.

Cancer comes back all jacked up on stem cells
Three tumor samples collected over time from a single patient shows how cancer evolves in response to treatment: A higher percentage of cancer stem cells in the final sample make a more aggressive disease.

Epidural stimulation shown to normalize blood pressure following spinal cord injury
Working with human research participants, researchers at the Kentucky Spinal Cord injury Research Center (KSCIRC) have found that spinal cord epidural stimulation can safely and effectively elevate blood pressure in individuals with SCI along with chronic hypotension.

Termite queen, king recognition pheromone identified
Forget the bows and curtsies. Worker termites shake in the presence of their queens and kings.

'Oumuamua likely came from a binary star system
New research finds that 'Oumuamua, the rocky object identified as the first confirmed interstellar asteroid, very likely came from a binary star system.

Climate change threatens world's largest seagrass carbon stores
Shark Bay seagrass carbon storage hotspot suffers alarming losses after a devastating marine heat wave, according to a study led by ICTA-Universitat Autònoma de Barcelona researchers.

New genetic test detects manatees' recent presence in fresh or saltwater
US Geological Survey scientists have developed the first laboratory test that picks up traces of manatees' genetic material in waterways.

Thawing permafrost produces more methane than expected
In a seven-year laboratory study, Dr. Christian Knoblauch from Universität Hamburg's Center for Earth System Research and Sustainability (CEN) and an international team have shown, for the first time, that significantly more methane is produced by thawing permafrost than previously thought.

Fighting illegal fishing
Researchers explore an alternative pathway to fast-tracking the global recovery of fisheries

Wives of many prostate cancer sufferers made ill or feel undermined by the disease
Many wives of advanced prostate cancer sufferers feel that their lives are being undermined by their husband's illness, with nearly half reporting that their own health suffered.

Shedding light on the mystery of the superconducting dome
University of Groningen physicists, and colleagues from Nijmegen and Hong Kong, have induced superconductivity in a monolayer of tungsten disulfide.

Type 2 Diabetes research held back by animal models
Using animal models for researching type 2 diabetes mellitus (T2DM) impedes scientific breakthroughs about the disease origins and treatment options.

Revolutionary new filter can improve drinking water quality
UNSW Sydney scientists have developed a world-first, graphene-based, laboratory-scale filter that can remove more than 99 percent of the natural organic matter left behind during conventional treatment of drinking water.

New optical modules could improve thyroid cancer screening
A team of international researchers developed a point of care device that could enable consistent and cost-effective screening for thyroid nodules.

ENDO 18: New model, new drugs, and a 'remarkable' response in adrenal cancer
Two University of Colorado Cancer Center studies presented at ENDO 2018 use new models to identify genetic targets and test promising treatments in adrenal cancer.

Genetic analysis uncovers the evolutionary origin of vertebrate limbs
Fish, mice and likely all modern-day vertebrates share genetic elements first used to develop the unpaired dorsal fin in ancient fish.

Study finds changes in intestines leads to reversal of diabetes after weight-loss surgery
A new study helps explain changes in the intestines that may be responsible for the reversal of diabetes in people who undergo a type of bariatric surgery known as Roux-en-Y gastric bypass surgery (RYGB).

Few young patients with severe obesity undergo weight loss surgery
Among U.S. teenagers and young adults with severe obesity, a new study finds that only a small percentage undergo weight loss surgery, even though it is broadly considered the most effective long-term weight loss therapy.

Treating postmenopausal vulvovaginal symptoms in women
A prescribed vaginal estradiol hormone tablet and over-the-counter vaginal moisturizer didn't provide more benefit than a placebo vaginal tablet and gel to reduce postmenopausal vulvovaginal symptoms in women.

Amazon deforestation is close to tipping point
Scientists considered climate change and indiscriminate use of fire to calculate that deforestation rates ranging from 20 percent to 25 percent could turn Amazon's hydrological cycle unable to support its ecosystem.

The use of immunotherapy to treat metastatic breast cancer
The Authors review immunotherapy attempts to treat metastatic breast cancer.

Five new species of frogs identified in museum collections
Researchers from Yale-NUS College and the North Carolina Museum of Natural Sciences have discovered five new species of Southeast Asian frogs from a group of museum specimens that was believed to only contain two species.

Oral micronized progesterone may decrease perimenopausal hot flashes, night sweats
Oral micronized progesterone (OMP) may diminish hot flashes and night sweats in perimenopausal women, new research from Canada reports.

Study of COPD patients has created a 'looking glass' into genome of pathogen
Decades of work on chronic obstructive pulmonary disease (COPD) at the University at Buffalo and the Veterans Administration WNY Healthcare System have yielded extraordinary information about the pathogen that does the most harm to patients.

New antibody and unique binding site offer possible paths to malaria prevention
Scientists have discovered a human antibody that, when tested in mice, prevented malaria infection by binding a specific portion of a surface protein found in almost all strains of the malaria parasite worldwide.

Scientists caution that a rare childhood liver cancer can spread to the brain
A new report details three cases of secondary brain tumors in people with fibrolamellar hepatocellular carcinoma.

Fast-acting antidote in sight for cholera epidemics
Groundbreaking discoveries regarding the onset of cholera are paving the way for a future, fast-acting antidote for cholera epidemics, according to research published in the journals PLOS Pathogens and ACS Infectious Disease.

Why are women at high breast cancer risk not having supplemental MRI screening?
Women at high lifetime breast cancer risk might benefit from breast MRI screening in addition to routine mammography, but a new study shows that breast MRI is greatly underutilized even though access is widely available.

VIIRS satellite instrument gets 2 views of Tropical Cyclone Marcus
Tropical Cyclone Marcus was moving along the northern coast of Australia when the VIIRS instrument that flies aboard two different satellites captured true-color images of the storm over two days. 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