Brightsurf Science News & Current Events

April 30, 2018
UMD researcher discovers mechanisms and epigenetic markers with implications for diseases ranging from cancers to infertility
A UMD researcher uncovered new mechanisms that dictate the development of germline stem cells.

Daily photography improves wellbeing
Taking a photo each day and posting it online has complex benefits say researchers who say it supports improved wellbeing.

Better care of sickest patients can save hospitals money, says largest study of its kind
Palliative care -- which better aligns medical treatments with patients' goals and wishes, aggressively treats distressing symptoms, and improves care coordination, --is associated with shorter hospital stays and lower costs, and shows its greatest effect among the sickest patients, according to a study published Monday, April 30, in JAMA Internal Medicine.

Obesity may hasten disability in patients with rheumatoid arthritis
Unintentional weight loss also linked with worsening disability, perhaps related to frailty.

Seniors more likely to visit emergency department after home care visit from nurse
Patients who received home care visits from nurses were more likely to visit the emergency department during the evening on the same day, particularly for non-urgent issues, according to new research in CMAJ.

The effects of diet on the start of the menopause
In the first UK study examining the relationship between diet and the start of the menopause researchers have found certain food groups could affect the age at which the menopause begins.

Malaria-carrying parasites spread more when they can jump into multiple birds -- study
A study out of the Academy of Natural Sciences of Drexel University found that blood parasites that cause malaria spread more widely if they can use many different kinds of birds as hosts.

Study: How to assess new solar technologies
Researchers at MIT find that combining two types of solar cells into one, called tandem photovoltaic cells, can provide more efficient home solar installations.

New materials for sustainable, low-cost batteries
A new conductor material and a new electrode material could pave the way for inexpensive batteries and therefore the large-scale storage of renewable energies.

Climate change study finds New Hampshire's warmer weather will bring warmer streams
Air temperature increases from climate change will make New Hampshire's streams warmer, according to Dartmouth-led research published in 'Freshwater Biology.' The study examined the extent to which stream waters are warming, which has implications for freshwater ecosystems across the nation given that many species depend on cold water to survive.

Computers equal radiologists in assessing breast density and associated breast cancer risk
Automated breast-density evaluation was just as accurate in predicting women's risk of breast cancer, found and not found by mammography, as subjective evaluation done by radiologists, in a study led by researchers at UC San Francisco and Mayo Clinic.

DNA adds twist to ancient story of a Native American group
The American Journal of Human Genetics published the findings, which draw from the first population-level nuclear DNA analysis of a Native American group from ancient to modern times.

Labeling and detecting RNA modifications
Researchers at the Cells-in-Motion Cluster of Excellence have developed a new method enabling them to locate important modifications to messenger RNA.

T cell biomarker predicts which CLL patients will respond to CAR T cell therapy
Penn Medicine researchers may have found the reason why some patients with advanced chronic lymphocytic leukemia (CLL) don't respond to chimeric antigen receptor (CAR) T cell therapy, and the answer is tied to how primed patients' immune systems are before the therapy is administered.

Personal care products contribute to a pollution 'rush hour'
When people are out and about, they leave plumes of chemicals behind them -- from both car tailpipes and the products they put on their skin and hair.

Horses get the flu, too
Flu vaccines for horses haven't been updated in more than 25 years, but researchers have developed a new live equine influenza vaccine that's safe and more protective than existing vaccines.

Laser frequency combs may be the future of Wi-Fi
Researchers have uncovered a new phenomenon of quantum cascade laser frequency combs, which would allow these devices to act as integrated transmitters or receivers that can efficiently encode information.

3-D printing is transforming care for congenital heart disease
3-D printing is an emerging technology that is impacting the way cardiologists treat patients with congenital heart disease (CHD), according to a review paper published today in JACC: Basic to Translational Science.

Psychiatric diagnoses and medication use in children insured by Medicaid
Young children insured by Medicaid with a psychiatric diagnosis had early and prolonged exposure to psychotropic medications.

Study suggests ample warning of supervolcano eruptions
Concern over the potential imminent eruptions of Earth's supervolcanoes, like Taupo in New Zealand or Yellowstone in the United States, may be quelled by the results of a new study suggesting that geological signs pointing to a catastrophic eruption would be clear far in advance.

Farming fish saves land
A team from UCSB conducts the first land-use analysis of future food systems focusing on aquatic farming.

Going beyond 'human error'
A human factors study using Bayes' theorem and content analysis reveals underlying teamwork, organizational, and technological influences on severe US Naval aviation mishaps.

High wildfire severity risk seen in young plantation forests
Wildfires show no respect for property lines, but a new analysis of the 2013 Douglas Complex fire in southwestern Oregon concludes that young plantation forests managed by industrial owners experienced higher severity fire than did nearby public forests.

Scientists create nanomaterials that reconfigure in response to biochemical signals
A newly published paper in Nature Chemistry details how a research team lead by scientists at the Advanced Science Research Center's Nanoscience Initiative are developing self-assembling electronic nanomaterials that can respond to biochemical signals for potential therapeutic use.

Researchers say chronic dizziness can result from, or trigger, psychiatric disorders
Dizziness can fall into a number of broad categories, including vertigo (spinning sensation), presyncope (near-fainting), and disequilibrium (imbalance).

Few patients maximize opioid-sparing medications after orthopaedic surgery, study finds
A new study led by Johns Hopkins researchers adds to growing evidence that patients underuse nonopioid pain relievers to supplement opioid pain management after spine and joint surgery.

Study identifies ways smaller hospitals can effectively reduce antibiotic overuse
Researchers completed a study identifying how community hospitals with fewer than 200 beds can develop antibiotic stewardship programs that work to prevent the growth of superbugs.

City upbringing, without pets, boosts vulnerability to mental illness
Children raised in a rural environment, surrounded by animals and bacteria-laden dust, grow up to have more stress-resilient immune systems and might be at lower risk of mental illness than pet-free city dwellers, according to new research by University of Colorado Boulder and University of Ulm researchers.

Moderate to severe mid-life anxiety may be linked to later life dementia
Moderate to severe mid-life anxiety may be linked to dementia in later life, suggests an analysis of the available published evidence in the online journal BMJ Open.

Higher aerobic fitness levels are associated with better word production skills in healthy older adults
Researchers found that older adults' aerobic fitness levels are directly related to the incidence of age-related language failures such as 'tip-of-the-tongue' states.

Do women with epilepsy have similar likelihood of pregnancy?
Women with epilepsy without a history of infertility or related disorders who wanted to become pregnant were about as likely as their peers without epilepsy to become pregnant.

Study: Warming future means more fire, fewer trees in western biodiversity hotspot
Increasing fires and summer droughts caused by global warming are drastically changing a globally unique bio-region of northern California and southwestern Oregon, according to new research funded by the National Science Foundation and published today in the journal Scientific Reports.

Diet rich in fish and legumes may help to delay natural menopause
A diet rich in fish and legumes may help to delay the natural menopause, while high dietary intake of refined carbs, such as pasta and rice, may instead help to hasten it, suggests the first UK study of its kind, published online in the Journal of Epidemiology & Community Health.

ACA increased health insurance coverage, narrowed disparities for Asian-Americans, Native Hawaiians, and Pacific Islanders
Following the passage of the Affordable Care Act (ACA) in 2010, the rate of Asian-Americans, Native Hawaiians, and Pacific Islanders (AANHPIs) without health insurance dropped to 9 percent -- a rate essentially equal to that of whites (8.8 percent), according to a new study by researchers from Harvard T.H.

Study finds very few pages devoted to climate change in introductory science textbooks
In new research published in the journal Environmental Communication, Rachel Yoho and co-author Bruce Rittmann examined more than the 15,000 combined pages from current editions of 16 of the leading physics, biology and chemistry undergraduate textbooks published between 2013 and 2015.

Brains of young people with severe behavioral problems are 'wired differently'
Latest research from an international team of psychologists and neuroscientists points to subtle differences in brain connectivity impacting young people with Conduct Disorder.

Research brief: Freshwater ecosystems filter pollutants before they reach oceans
By adding excess nutrients to crops, some are very likely to end up in rivers, lakes and streams.

Vultures reveal critical Old World flyways
Identifying bottlenecks -- i.e. places where birds concentrate on migration -- helps bird conservationists know what areas to focus on and get the most bang for their buck, since a large percentage of a species' population can pass through these small areas.

Genomic analysis unravels complexities of the most common form of lymphoma and enables personalized treatment
Genomic analysis by scientists at Dana-Farber Cancer Institute and the Broad Institute of MIT and Harvard offers a better framework for understanding large B cell lymphoma's many forms, which will help to predict individual patient outcomes and guide personalized treatment.

Study identifies new target for treatment of pulmonary hypertension
Inhibiting FoxM1 gene reverses disease process in animal models of pulmonary hypertension.

'Exceptional' research points way toward quantum discoveries
Rice University scientists use nanotube films and polarized light to strongly couple light and matter progressively and on demand at room temperature.

Geometry is key to T-cell triggering
A new study reveals the geometric underpinnings of T-cell triggering through the precise engineering of T-cell receptor geometry in all three dimensions.

Targeting chemotherapy with genetic testing benefits women with aggressive breast cancer
Women with an aggressive form of breast cancer who have faults in their BRCA genes do much better on chemotherapy drug carboplatin than standard treatment, a major clinical trial reports.

Following five healthy lifestyle habits may increase life expectancy by decade or more
Maintaining five healthy habits -- eating a healthy diet, exercising regularly, keeping a healthy body weight, not drinking too much alcohol, and not smoking -- during adulthood may add more than a decade to life expectancy, according to a new study led by Harvard T.H.

Youth tackle football participation linked to earlier onset of cognitive and emotional symptoms
Starting to play tackle football before age 12 could lead to earlier onset of cognitive and emotional symptoms among athletes who were diagnosed with CTE and other brain diseases postmortem, according to a new study.

Proximity to books and adult support enhance children's learning opportunities
An innovative book distribution program that provides free children's books in low-income neighborhoods, combined with supportive adults who encourage reading, can boost children's literacy and learning opportunities, finds a new study by New York University's Steinhardt School of Culture, Education, and Human Development.

State-of-the-art HIV drug could curb HIV transmission, improve survival in India
An HIV treatment regimen already widely used in North America and Europe would likely increase the life expectancy of people living with HIV in India by nearly three years and reduce the number of new HIV infections by 23 percent with minimal impact on the country's HIV/AIDS budget.

Keep calm and carry on: VTCRI scientists make first serotonin measurements in humans
Scientists at the Virginia Tech Carilion Research Institute have begun to unravel how serotonin acts, based on data collected in a first-of-its-kind experiment that utilized electrochemical probes implanted into the brain of awake human beings.

Study explores link between curiosity and school achievement
The more curious the child, the more likely he or she may be to perform better in school -- regardless of economic background -- suggests a new University of Michigan study.

The laws of star formation challenged
An international team led by researchers at CNRS, Université Grenoble Alpes and the French Alternative Energies and Atomic Energy Commission (CEA) has challenged currently held ideas about star formation.

Editing brain activity with holography
The goal of brain implants is to read neuron activity and respond by activating neurons to, for example, move prosthetics or simulate lost perceptions.

Saving aging nerves from 'big eater' immune cells
Immune cells may contribute to weakness and mobility issues in the elderly by driving nerve degeneration, according to a study of aging mice and biopsies of human nerves published in JNeurosci.

La Niña-like ocean cooling patterns intensify northwestern Pacific tropical cyclones
Atmospheric researchers at the University of Hawaii at Mānoa (UH Mānoa) International Pacific Research Center have recently published a study in Scientific Reports that demonstrates a strong connection between sea surface temperature patterns associated with the Global Warming Hiatus and changes in cyclone activity over the northwest Pacific Ocean, particularly increasing intensities in coastal regions of East Asia.

Back up: How worms travel in reverse
A study of genetically diverse worms finds that the length of their backward movement is under the control of a small protein called a neuropeptide that fluctuates in response to food availability.

New resistance mechanism in the often multidrug resistant pathogen Acinetobacter baumannii
A team of Australian and Portuguese investigators has discovered yet another resistance mechanism in the pathogen, Acinetobacter baumannii, in this case, one that blocks the critical antibiotic-of-last-resort, colistin.

Researchers move toward understanding deadly citrus disease
Researchers at the University of California, Riverside have made an important step in understanding the molecular mechanism of huanglongbing (HLB), a destructive disease that is a serious threat to the citrus industry worldwide.

New details of molecular machinery that builds plant cell wall components
In a new biochemical genetics study at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, scientists reveal new details of the molecular machinery that helps channel carbon into a key cell-wall component.

Fertility rates no different for women with epilepsy
'Myth-busting' study among women with no history of infertility finds that those with epilepsy are just as likely to become pregnant as those without.

Antiepileptic drug induces birth defects in frogs
A common drug for treating epileptic seizures may lead to birth defects if used during pregnancy by interfering with glutamate signaling in earliest stages of nervous system development, finds a study in frogs published in JNeurosci.

Arctic survivalists
They form the basis of the Arctic food web -- and are extremely tough: even when the water becomes more acidic and the available light or temperatures change, various phytoplankton assemblages in the Arctic demonstrate undiminished productivity and biodiversity.

SPIE Journal of Applied Remote Sensing article reports comprehensive estimate of oil spill
In an article published in SPIE's Journal of Applied Remote Sensing, researchers announce that optical remote sensing observations may provide close estimates of relative oil thickness/volume for large oil slicks in the ocean captured by satellites.

Axon guidance gene influences reward system
Individuals with a mutation in a gene involved in nervous system development have reduced connectivity between regions of the brain's reward system, finds a study of a four-generation Canadian family published in JNeurosci.

Why Armenia's transition to democracy failed
In a paper published online in Nationalities Papers earlier this month in, Arman Grigoryan, assistant professor of international relations at Lehigh University, argues that the main driver of Armenia's failed transition after independence was its war with Azerbaijan and the continued state of belligerence after the ceasefire was signed in 1994.

Old data, new tricks: Fresh results from NASA's Galileo spacecraft 20 years on
Newly analyzed data from the Galileo spacecraft's flybys of one of Jupiter's moons two decades ago is yielding fresh insights: the magnetic field around the moon Ganymede makes it unlike any other in the solar system.

Not enough women included in some heart disease clinical trials
Women are underrepresented in clinical trials for heart failure, coronary artery disease and acute coronary syndrome but proportionately or overrepresented in trials for hypertension, atrial fibrillation and pulmonary arterial hypertension, when compared to incidence or prevalence of women within each disease population, according to a study in the Journal of the American College of Cardiology.

Pill for breast cancer diagnosis may outperform mammograms
As many as one in three women treated for breast cancer undergo unnecessary procedures, but a new method for diagnosing it could do a better job distinguishing between benign and aggressive tumors.

Stanford researchers have developed a water-based battery to store solar and wind energy
Stanford scientists have developed a manganese-hydrogen battery that could fill a missing piece in the nation's energy puzzle by storing wind and solar energy for when it is needed, lessening the need to burn carbon-emitting fossil fuels.

Stagediving with biomolecules improves optical microscopy
Physicists from Dresden and Würzburg have developed a novel method for optical microscopy.

Workplace flexibility bias not just a mother's problem
Work-life balance is not an issue exclusive to women, particularly mothers -- even men and those without children can suffer when they feel that their workplace culture is not family friendly, according to a new study.

World-first synthesis of globalization effects on people and planet
Australian researchers have compiled a world-first conclusive synthesis of the environmental and social impacts of globalization -- using sophisticated computation to provide a bird's eye view of the displacement of wealth-driven consumption into offshore production -- highlighting effects such as child labor.

US gains in air quality are slowing down
A detailed analysis of satellite observations shows that US progress in reducing levels of two key air pollutants has slowed significantly in recent years.

Proximity to fracking sites affects public support of them, study finds
People who live closer to fracking sites are more familiar with and more supportive of hydraulic fracturing, while those who live in proximity to areas of higher oil and gas well density are more familiar with but not necessarily more supportive of the practice.

The South Atlantic Anomaly is probably not an evidence of a reversing Earth's magnetic field
Based on a reconstruction of the Earth's magnetic field of the past, scientists from the Helmholtz Centre Potsdam -- GFZ German Research Centre for Geosciences and the universities of Iceland, Liverpool, and Nantes now show that the anomaly is probably not a precursor of a switching of the poles.

Are damselflies in distress?
Damselflies are evolving rapidly as they expand their range in response to a warming climate, according to new research led by Macquarie University researchers in Sydney.

NASA finds wind shear affecting Tropical Cyclone Flamboyan
Flamboyan, the 21st tropical cyclone of the Southern Indian Ocean season, formed over the weekend of April 28 and 29.

Lonely and non-empathetic people more likely to make unethical shopping decisions
Lonely consumers are capable of behaving morally, but aren't motivated to, according to new research from Binghamton University, State University of New York.

Voters make choices based on looks -- but this doesn't help them pick the best politicians
New research, thought to be the the first of its kind, measures the impact of appearance and personality on voting and political performance.

Medicare kidney failure patients enter hospice too late to reap full benefits
Late referrals to hospice drive up end-of-life costs and limit benefits for patients on dialysis.

An AI for deciphering what animals do all day
Researchers show how an algorithm for filtering spam can learn to pick out, from hours of video footage, the full behavioral repertoire of tiny, pond-dwelling Hydra.

Research supports calls for food industry to reduce food product portion sizes
New research, published in the American Journal of Clinical Nutrition, highlights the benefits of the food industry changing food product portion sizes in order to make healthier eating more normal.

ISIL activity is not funded by oil, study suggests
Oil was never as important to ISIL terrorists as many thought, despite media reports of an oil-related income of as much as US $28 million a week, according to a new study in Energy Research & Social Science.

Mandatory public reporting of coronary artery bypass grafting associated with better patient outcomes
Mandatory public reporting of coronary artery bypass grafting (CABG) results in Massachusetts was associated with better patient outcomes compared to national findings, according to a recent study.

Living close to a livestock farm linked to lowered allergy risk among adults
Living close to a livestock farm may help curb the risk of common allergies among adults who aren't farmers or agricultural workers, suggests research published online in Occupational & Environmental Medicine.

Brown widow male spiders prefer sex with older females likely to eat them afterwards
'Males don't seem to be behaving in their own self-interest and suffer a twofold cost -- fewer offspring and no opportunity to mate with another female,' the researchers say.

UNICEF 'muted' on tobacco control for children
The tobacco industry manipulated the renowned children's rights agency UNICEF for more than a dozen years, from 2003 until at least 2016, during which time UNICEF's focus on children's rights to a tobacco-free life was reduced, according to previously secret documents uncovered by UC San Francisco.

Reef fish inherit tolerance to warming oceans
Thanks to mom and dad, baby reef fish may have what it takes to adjust to hotter oceans.

Man vs. machine?
The 'deep learning' computers in Anant Madabhushi's diagnostic imaging lab at Case Western Reserve University routinely defeat their human counterparts in diagnosing heart failure, detecting various cancers and predicting their strength.

New models could uncover important answers for Alzheimer's researchers
Alzheimer's disease currently affects more than 5.5 million Americans and is one of the costliest diseases to treat, according to the Alzheimer's Association.

A new formula for creating chemical reactions -- with carbs
A wide range of drugs and biochemical probes rely on natural or synthetic compounds that aid a reaction by adding carbohydrates.

Discovery of immune cells able to defend against mutating viruses could transform vaccine developmen
Scientists have found immune cells can fight different strains of the same virus -- a discovery which could help transform vaccine development.

Therapeutic RNA corrects splicing defect that causes familial dysautonomia
Researchers at CSHL have published a proof of concept for a therapeutic RNA drug to correct the error in RNA splicing that causes familial dysautonomia (FD), a rare inherited neurodegenerative disorder.

Earth's magnetic field is not about to reverse
A study of the most recent near-reversals of the Earth's magnetic field by an international team of researchers, including the University of Liverpool, has found it is unlikely that such an event will take place anytime soon.

Effects of munitions in the seas only partially known
More than 70 years after the end of World War II, countless pieces of ammunition from this time are still lying in all oceans.

Citizen scientists discover a new water beetle and name it after Leonardo DiCaprio
Citizen scientists decided to name a new water beetle, which they discovered in the pristine Maliau Basin, Malaysian Borneo, after Hollywood actor and environmentalist Leonardo DiCaprio.

Using mathematical modeling and evolutionary principals important in treatment decisions
Researchers at Moffitt Cancer Center are using mathematical modeling based on evolutionary principals to show that adaptive drug treatments based on tumor responses to prior treatment are more effective than maximum-tolerated dose approaches for certain tumor situations.

Double-bridged peptides bind any disease target
EPFL scientists have developed a new type of 'double-bridged peptide' that can be tailored to bind tightly to disease targets of interest.

Coverage gains after ACA for Asian-Americans, Native Hawaiians and Pacific Islanders
Health insurance coverage gains were associated with all major racial groups following the Affordable Care Act and coverage disparities between whites and Asian-Americans, Native Hawaiians and Pacific Islanders were essentially eliminated, according to a research letter based on national survey data.

Research casts doubt on theories of star formation
The birth of stars from dense clouds of gas and dust may be happening in a completely unexpected way in our own galaxy and beyond.

Physics of a glacial 'slushy' reveal granular forces on a massive scale
The Proceedings of the National Academy of Sciences (PNAS) published the findings, describing the dynamics of the clog of icebergs -- known as an ice mélange -- in front of Greenland's Jakobshavn Glacier.

Penn Medicine-led study reveals potential for more precise diagnosis and treatment of TBI
Patients who've suffered from traumatic brain injuries have changes in tiny blood vessels in their brains that researchers believe are linked to a range of cognitive symptoms, according to new findings presented at the 2018 AAN Annual Meeting.

Five healthy habits may add more than a decade to life
A new study suggests that living a healthy lifestyle during adulthood may extend longevity by 14 years for women and 12 years for men.

Systematic treatment of periodontal disease: Advantage of further therapeutic approaches
An indication or hint of greater benefit was now shown for six instead of two therapeutic measures.

UChicago researchers lay out how to control biology with light -- without genetics
Over the past five years, University of Chicago chemist Bozhi Tian has been figuring out how to control biology with light.

Water-repellent surfaces can efficiently boil water, keep electronics cool
Surfaces that repel water can support efficient boiling if all air and vapor is removed from a system first, according to research featured on the cover of the most recent issue of Physical Review Letters.

Butterfly wings inspire light-manipulating surface for medical implants
Nanostructures inspired by transparent butterfly wings help eye implants function better and safely avoid biofouling.

Ultrafast compression offers new way to get macromolecules into cells
By treating living cells like tiny absorbent sponges, researchers have developed a potentially new way to introduce molecules and therapeutic genes into human cells.

Vapers and non-smokers have the same flourishing gut flora
The first study of its kind has found that people who vape have the same mix of gut bacteria as non-smokers, whilst smokers have significant changes to their microbiome.

Topological insulator 'flips' for superconductivity
A groundbreaking sample preparation technique has enabled researchers at the University of Illinois at Urbana-Champaign and the University of Tokyo to perform the most controlled and sensitive study to date of a topological insulator (TI) closely coupled to a superconductor (SC).

African-Americans hospitalized for heart failure less likely to see cardiologist
African-American patients were less likely than Caucasian patients to be treated primarily by a cardiologist when admitted to the intensive care unit for heart failure, according to a study published today in JACC: Heart Failure.

Identifying the mechanism in obesity's link to colon cancer
In a recent new finding, doctoral candidates Wiecang Wang and Jianan Zhang, with their advisor Guodong Zhang in the department of food science at the University of Massachusetts Amherst, report that they have identified a new molecular mechanism to explain the link between obesity and increased risk of colon inflammation, which is a major risk factor in colorectal cancer.

Deteriorating Great Barrier Reef hushed: Young fish no longer hear their way home
Degraded coral reefs are far quieter than five years ago, and no longer sound like a suitable habitat to young fish searching for a place to live and breed, according to research published today in Proceedings of the National Academy of Sciences USA.

Calcium-based MRI sensor enables more sensitive brain imaging
MIT neuroscientists have developed an MRI sensor that lets them monitor neuron activity deep within the brain by tracking calcium ions.

New strategies needed to help healthcare providers gain knowledge to counsel patients on diet
Healthcare providers are willing to counsel heart disease patients on diet but need more educational support.

Bacteria's appetite may be key to cleaning up antibiotic contamination
Some bacteria can not only withstand antibiotics, but turn them into food.

BU: Smoking, alcohol consumption increase lifetime risk of atrial fibrillation
A new study co-authored by Boston University School of Public Health (BUSPH) researchers found that among individuals aged 55 years or older, the overall lifetime risk of atrial fibrillation (AF) was 37 percent and was influenced by the burden of risk factors.

UC Davis researchers discover how antiepileptic drugs induce birth defects
UC Davis School of Medicine researchers identify mechanism by which a common drug for treating epileptic seizures can lead to birth defects if used during pregnancy.

Humans are Sumatran rhinoceros' biggest threat -- and last hope
The little-known and smallest member of the rhinoceros family, the Sumatran rhinoceros, is critically endangered. 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