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The top science news articles and science news articles and current events, scientific discoveries, studies and research from the past week.
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Moth study suggests hidden climate change impacts
A 32-year study of subarctic forest moths in Finnish Lapland suggests that scientists may be underestimating the impacts of climate change on animals and plants because much of the harm is hidden from view.

Beneficial organisms react differently to parasite drug
The substance ivermectin has been used for more than thirty years all over the world to combat parasites like roundworms, lice and mites in humans, livestock and pets.



First Earth-Size Planet Is Discovered in Another Star's 'habitable zone'
A team of astronomers that includes Penn State scientists has discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the distance from a star where liquid water might pool on the surface of an orbiting planet.

ADHD Drug May Help Preserve Our Self-Control Resources
Methylphenidate, also known as Ritalin, may prevent the depletion of self-control, according to research published in Psychological Science, a journal of the Association for Psychological Science.

Brain size matters when it comes to animal self-control
Chimpanzees may throw tantrums like toddlers, but their total brain size suggests they have more self-control than, say, a gerbil or fox squirrel, according to a new study of 36 species of mammals and birds ranging from orangutans to zebra finches.

Study recalculates cost of combination vaccines
One of the most popular vaccine brands for children may not be the most cost-effective choice.

Newly-Approved Brain Stimulator Offers Hope for Individuals With Uncontrolled Epilepsy
A recently FDA-approved device has been shown to reduce seizures in patients with medication-resistant epilepsy by as much as 50 percent.

Frozen in time: Three-million-year-old landscape still exists beneath the Greenland Ice Sheet
Some of the landscape underlying the massive Greenland ice sheet may have been undisturbed for almost 3 million years, ever since the island became completely ice-covered, according to researchers funded by the National Science Foundation (NSF).

Making dams safer for fish around the world
Think of the pressure change you feel when an elevator zips you up multiple floors in a tall building. Imagine how you'd feel if that elevator carried you all the way up to the top of Mt. Everest - in the blink of an eye.

New evidence of suicide epidemic among India's 'marginalised' farmers
Latest statistical research finds strong causal links between areas with the most suicides and areas where impoverished farmers are trying to grow crops that suffer from wild price fluctuations due to India's relatively recent shift to free market economics.

Call for alternative identification methods for endangered species
In a time of global climate change and rapidly disappearing habitat critical to the survival of countless endangered species, there is a heightened sense of urgency to confirm the return of animals thought to be extinct, or to confirm the presence of newly discovered species.

Study IDs new cause of brain bleeding immediately after stroke
By discovering a new mechanism that allows blood to enter the brain immediately after a stroke, researchers at UC Irvine and the Salk Institute have opened the door to new therapies that may limit or prevent stroke-induced brain damage.

Scientists discover brain's anti-distraction system
Two Simon Fraser University psychologists have made a brain-related discovery that could revolutionize doctors' perception and treatment of attention-deficit disorders.

Dartmouth-led study shows air temperature influenced African glacial movements
Changes in air temperature, not precipitation, drove the expansion and contraction of glaciers in Africa's Rwenzori Mountains at the height of the last ice age, according to a Dartmouth-led study funded by the National Geographic Society and the National Science Foundation.

Eating rice boosts diet quality, reduces body weight and improves markers for health
New research, partially funded by the U.S. Department of Agriculture and the USA Rice Federation, shows that consumers can improve their diets simply by enjoying white or brown rice as part of their daily meals.

Is Parkinson's an autoimmune disease?
The cause of neuronal death in Parkinson's disease is still unknown, but a new study proposes that neurons may be mistaken for foreign invaders and killed by the person's own immune system, similar to the way autoimmune diseases like type I diabetes, celiac disease, and multiple sclerosis attack the body's cells.

Methane climate change risk suggested by proof of redox cycling of humic substances
The recent Yokahama IPCC meeting painted a stark warning on the possible effects of gases such as methane - which has a greenhouse effect 32 times that of carbon dioxide.

The malaria pathogen's cellular skeleton under a super-microscope
The tropical disease malaria is caused by the Plasmodium parasite. For its survival and propagation, Plasmodium requires a protein called actin.

A cross-section of the universe
An image of a galaxy cluster taken by the NASA/ESA Hubble Space Telescope gives a remarkable cross-section of the Universe, showing objects at different distances and stages in cosmic history.

First potentially habitable Earth-sized planet confirmed by Gemini and Keck observatories
"What makes this finding particularly compelling is that this Earth-sized planet, one of five orbiting this star, which is cooler than the Sun, resides in a temperate region where water could exist in liquid form," says Elisa Quintana of the SETI Institute and NASA Ames Research Center who led the paper published in the current issue of the journal Science.

BUSM researchers find anti-seizure drug may reduce alcohol consumption
Researchers from Boston University School of Medicine (BUSM) have discovered that the anti-seizure drug ezogabine, reduced alcohol consumption in an experimental model.

Pioneering findings on the dual role of carbon dioxide in photosynthesis
Researchers at Umeå University have found that carbon dioxide, in its ionic form bicarbonate, has a regulating function in the splitting of water in photosynthesis.

East African honeybees are safe from invasive pests- for now
Several parasites and pathogens that devastate honeybees in Europe, Asia and the United States are spreading across East Africa, but do not appear to be impacting native honeybee populations at this time, according to an international team of researchers.

Under some LED bulbs whites aren't 'whiter than white'
For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different degrees of whites may all look the same, according to experts in lighting.

Is UK shale gas extraction posing a risk to public health?
More needs to be done to investigate the risks to human health that extracting shale gas poses, suggests a personal view published on bmj.com today.

Rethink education to fuel bioeconomy, says report
Microbes can be highly efficient, versatile and sophisticated manufacturing tools, and have the potential to form the basis of a vibrant economic sector.

In lab tests, the antimicrobial ingredient triclosan spurs growth of breast cancer cells
Some manufacturers are turning away from using triclosan as an antimicrobial ingredient in soaps, toothpastes and other products over health concerns.

Blood test spots recurrent breast cancers and monitors response to treatment
Johns Hopkins Kimmel Cancer Center investigators report they have designed a blood test that accurately detects the presence of advanced breast cancer and also holds promise for precisely monitoring response to cancer treatment.

Bright Points in Sun's Atmosphere Mark Patterns Deep In Its Interior
Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface.

Building 'Smart' Cell-Based Therapies
A Northwestern synthetic biology team has created a new technology for modifying human cells to create programmable therapeutics that could travel the body and selectively target cancer and other sites of disease.

Regulating legal marijuana could be guided by lessons from alcohol and tobacco, study says
As U.S. policymakers consider ways to ease prohibitions on marijuana, the public health approaches used to regulate alcohol and tobacco over the past century may provide valuable lessons, according to new RAND Corporation research.

Meteorites Yield Clues to Red Planet's Early Atmosphere
Geologists who analyzed 40 meteorites that fell to Earth from Mars unlocked secrets of the Martian atmosphere hidden in the chemical signatures of these ancient rocks.

Researchers identify children with emotional behavior difficulties
Research on children orphaned by HIV/AIDS in South Africa may provide insight on how to identify and help children with emotional behavior issues in other areas of the world, which may have limited access to healthcare and further research that could lead to successful interventions.

Novel stapled peptide nanoparticle combination prevents RSV infection, study finds
New therapies are needed to prevent and treat respiratory syncytial virus (RSV) - a potentially lethal respiratory infection that can severely affect infants, young children and the elderly.

Impact of childhood bullying still evident after 40 years
The negative social, physical and mental health effects of childhood bullying are still evident nearly 40 years later, according to new research by King's College London.

Diagnosed at Last: Phevor Software IDs Disease-Causing Gene Mutations in 3 Children
A computational tool developed at the University of Utah (U of U) has successfully identified diseases with unknown gene mutations in three separate cases, U of U researchers and their colleagues report in a new study in The American Journal of Human Genetics.

Multitarget TB drug could treat other diseases, evade resistance
A drug under clinical trials to treat tuberculosis could be the basis for a class of broad-spectrum drugs that act against various bacteria, fungal infections and parasites, yet evade resistance, according to a study by University of Illinois chemists and collaborators.

Real-time audio of corporal punishment shows kids misbehave within 10 minutes of spanking
A new study based on real-time audio recordings of parents practicing corporal punishment discovered that spanking was far more common than parents admit, that children were hit for trivial misdeeds and that children then misbehaved within 10 minutes of being punished.

Five Anthropogenic Factors That Will Radically Alter Northern Forests in 50 Years
In the most densely forested and most densely populated quadrant of the United States, forests reflect two centuries of human needs, values and practices.

Casual marijuana use linked to brain abnormalities in students
Young adults who used marijuana only recreationally showed significant abnormalities in two key brain regions that are important in emotion and motivation, scientists report.

Dual role: Key cell division proteins also power up mitochondria
An international team led by researchers at UC Davis has shown that the cyclin B1/Cdk1 protein complex, which plays a key role in cell division, also boosts the mitochondrial activity to power that process.

Biomedical applications of shape-memory polymers: How practically useful are they?
Polymers that exhibit shape-memory effect (SME) are an important class of materials in medicine, especially for minimally invasive deployment of devices.

New MRSA superbug emerges in Brazil
An international research team led by Cesar A. Arias, M.D., Ph.D., at The University of Texas Health Science Center at Houston (UTHealth) has identified a new superbug that caused a bloodstream infection in a Brazilian patient.

Photovoltaic solar-panel windows could be next for your house
A house window that doubles as a solar panel could be on the horizon, thanks to recent quantum-dot work by Los Alamos National Laboratory researchers in collaboration with scientists from University of Milano-Bicocca (UNIMIB), Italy.

Deaths from viral hepatitis surpasses HIV/AIDS as a preventable cause of deaths in Australia
Deaths from viral Hepatitis B and C have surpassed HIV/AIDS in many countries, including Australia and in Western Europe, according to an analysis of the 2010 Global Burden of Disease study.

Distracted driving among teens threatens public health and safety
Motor vehicle crashes rank as the leading cause of teen deaths and in 2008, 16% of all distraction-related fatal automobile crashes involved drivers under 20 years of age.

Surprising material could play role in saving energy
One strategy for addressing the world's energy crisis is to stop wasting so much energy when producing and using it, which can happen in coal-fired power plants or transportation. Nearly two-thirds of energy input is lost as waste heat.

Loud talking and horseplay in car results in more serious incidents for teen drivers
Adolescent drivers are often distracted by technology while they are driving, but loud conversations and horseplay between passengers appear more likely to result in a dangerous incident, according to a new study from the UNC Highway Safety Research Center.

Does germ plasm accelerate evolution?
Scientists at The University of Nottingham have published research in the leading academic journal Science that challenges a long held belief about the way certain species of vertebrates evolved.

Study examines vitamin D deficiency and cognition relationship
Vitamin D deficiency and cognitive impairment are common in older adults, but there isn't a lot of conclusive research into whether there's a relationship between the two.

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