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Children exposed to multiple languages may be better natural communicators

2015-05-12
Young children who hear more than one language spoken at home become better communicators, a new study from University of Chicago psychologists finds. Effective communication requires the ability to take others' perspectives. Researchers discovered that children from multilingual environments are better at interpreting a speaker's meaning than children who are exposed only to their native tongue. The most novel finding is that the children do not even have to be bilingual themselves; it is the exposure to more than one language that is the key for building effective social ...

New research will help forecast bad ozone days over the western US

New research will help forecast bad ozone days over the western US
2015-05-12
New research published in Nature Communications led by Meiyun Lin of NOAA's Geophysical Fluid Dynamics Laboratory and NOAA's cooperative institute at Princeton University, reveals a strong connection between high ozone days in the western U.S. during late spring and La Niña, an ocean-atmosphere phenomena that affects global weather patterns. Recognizing this link offers an opportunity to forecast ozone several months in advance, which could improve public education to reduce health effects. It would also help western U.S. air quality managers prepare to track these ...

Political talk on Facebook mirrors political talk offline

Political talk on Facebook mirrors political talk offline
2015-05-12
LAWRENCE -- Political discussions conducted on social networking sites like Facebook mirror traditional offline discussions and don't provide a window into previously untapped participants in the political process, according to a new study that includes two University of Kansas researchers. "Social networking is important, but what we've shown in political science is that the people who are using the Internet, be it Facebook, Twitter or whatever else for political activities, are really the same people who are politically active offline anyway," said Patrick Miller, a ...

CU Anschutz researchers create microscope allowing deep brain exploration

2015-05-12
AURORA, Colo. (May 12, 2015) - A team of neuroscientists and bioengineers at the University of Colorado Anschutz Medical Campus have created a miniature, fiber-optic microscope designed to peer deeply inside a living brain. The researchers, including scientists from the University of Colorado Boulder, published details of their revolutionary microscope in the latest issue of Optics Letters journal. "Microscopes today penetrate only about one millimeter into the brain but almost everything we want to see is deeper than that," said Prof. Diego Restrepo, PhD, one of the ...

Family genetics study reveals new clues to autism risk

2015-05-12
A study of 2,377 children with autism, their parents and siblings has revealed novel insights into the genetics of the condition. The findings were reported May 11 in Nature Genetics. By analyzing data from families with one child with autism and one or more children without the condition, the researchers collected new information on how different types of mutations affect autism risk. The genetic data was obtained from exome sequencing, which looks at only the protein-coding portions of the genome. Significant progress in the past five years has been made in ...

Aclidinium bromide/formoterol in COPD: Added benefit for certain patient groups

2015-05-12
The fixed-dose combination aclidinium bromide/formoterol has been approved since November 2014 for long-term treatment of adults with chronic obstructive pulmonary disease (COPD). The German Institute for Quality and Efficiency in Health Care (IQWiG) examined in a dossier assessment whether this drug combination offers an added benefit over the appropriate comparator therapy. According to the findings, there is an indication of minor added benefit for adult patients with moderate COPD (grade II). For adults with grade III and fewer than 2 exacerbations (flare-ups) per ...

Gender difference in vital cell count of HIV patients

2015-05-12
Male HIV patients in rural South Africa reach the low immunity levels required to become eligible for antiretroviral treatment in less than half the time it takes for immunity levels to drop to similar levels in women, according to new research from the University of Southampton. Researchers also found a link between potential proxy measures of nutritional status and disease progression, with those reporting food shortages and use of nutritional supplements reaching lower levels of immunity faster. CD4 cell count is a measure of the immune system which indicates the ...

Quantum 'gruyères' for spintronics of the future

2015-05-12
They are 'strange' materials, insulators on the inside and conductors on the surface. They also have properties that make them excellent candidates for the development of spintronics ('spin-based electronics') and more in general quantum computing. However, they are also elusive as their properties are extremely difficult to observe. Now a SISSA study, published in Physical Review Letters, proposes a new family of materials whose topological state can be directly observed experimentally, thus simplifying things for researchers. "What interests us of topological insulators ...

A gap year does not weaken study success

2015-05-12
A gap year between high school and the start of university studies does not weaken young people's enthusiasm to study or their overall performance once the studies have commenced. On the other hand, adolescents who continue to university studies directly after upper secondary school are more resilient in their studies and more committed to the study goals. However, young people who transfer directly to university are more stressed than those who start their studies after a gap year. These research results have been achieved in the Academy of Finland's research programme ...

Malaria testing yet to reach its potential

2015-05-12
In a study published this month in Malaria Journal, researchers from Uppsala University and other institutions present a new model for systematically evaluating new malaria treatment programs in routine conditions across multiple countries. Despite major investments in malaria rapid diagnostic tests (RDT) in recent years, there remains limited evidence of their impact on treatment decisions in routine program conditions. Evidence to date is largely derived from small-scale facility studies conducted within a limited number of countries, notably Kenya, Malawi, Tanzania, ...

Six times more expensive to travel by car than by bicycle: Study

2015-05-12
It is six times more expensive for society - and for you individually - if you travel by car instead of cycling. This has been shown in a Lund University study of Copenhagen, a city of cyclists. It is the first time a price has been put on car use as compared to cycling. In the comparative study, Stefan Gössling from Lund University and Andy S. Choi from the University of Queensland have investigated a cost-benefit analysis that the Copenhagen Municipality uses to determine whether new cycling infrastructure should be built. It considers how much cars cost society ...

Alcohol treatment programs prove effective in cutting reoffending, study shows

2015-05-12
Offenders enrolled in alcohol treatment programmes as part of their sentence are significantly less likely to be charged or reconvicted in the 12 months following their programme, a study led by Plymouth University has shown. Researchers from the University's School of Psychology led a project, supported by the European Social Fund, which saw males with alcohol problems related to offending being assigned to a range of different treatments when convicted. They then calculated the participants' charged and reconviction rates over the following year, with the results ...

Significant progress made towards individualized cancer immunotherapy

Significant progress made towards individualized cancer immunotherapy
2015-05-12
This news release is available in German. Mainz-based researchers have made significant advances with regard to the development of individualized immunotherapy strategies for treating cancer. They have managed to identify the relevant genetic changes or mutations associated with various types of cancer and have determined their individual blueprints. This makes it possible for the scientists to readily produce customized cancer vaccines of the kind that have already been demonstrated to be effective in animal models. Here they have proven effective in the regression ...

Bragging: Researchers find self-promotion often backfires

2015-05-12
PITTSBURGH--Bragging to coworkers about a recent promotion, or posting a photo of your brand new car on Facebook, may seem like harmless ways to share good news. However, a new study from City University London, Carnegie Mellon University and Bocconi University shows that self-promotion or a "humblebrag" often backfires. Published in Psychological Science, Irene Scopelliti, George Loewenstein and Joachim Vosgerau wanted to find out why so many people frequently get the trade-off between self-promotion and modesty wrong. They found that self-promoters overestimate how ...

Mining pollution alters fish genetics in southwest England

Mining pollution alters fish genetics in southwest England
2015-05-12
Pollution from historic mining activities in south west England has led to a reduction in genetic diversity of brown trout according to new research from the University of Exeter. The findings, which will be published on Friday 15 May in the journal Evolutionary Applications, indicate that human activity can alter the genetic patterns of wild populations - an important issue in modern conservation. The prevalence of metal contaminants in rivers across the south west of England is directly linked to mining activities dating back hundreds of years. Exposure to high concentrations ...

More severe weather in store for middle states in US

More severe weather in store for middle states in US
2015-05-12
Today's imagery from NASA's AIRS instrument on the Aqua satellite indicates more severe weather is in store for the Midwest from Texas to Michigan. There is another extremely strong storm that is stretching from south to north and into Canada, and that system can be seen in this AIRS image from May 11, 2015. The first image (left) was taken at 3:35 am EDT, by the time the second image (right) was taken at 2:41 pm EDT the system had come together and was stretching across the nation vertically across the country. Current weather forecasting predicts that Monday evening ...

No lotions needed: Many animal species produce their own sunscreen

2015-05-12
CORVALLIS, Ore. - Researchers have discovered why many animal species can spend their whole lives outdoors with no apparent concern about high levels of solar exposure: they make their own sunscreen. The findings, published today in the journal eLife by scientists from Oregon State University, found that many fish, amphibians, reptiles, and birds can naturally produce a compound called gadusol, which among other biologic activities provides protection from the ultraviolet, or sun-burning component of sunlight. The researchers also believe that this ability may have ...

Controlling swarms of robots with light and a single finger

Controlling swarms of robots with light and a single finger
2015-05-12
Using a smart tablet and a red beam of light, Georgia Institute of Technology researchers have created a system that allows people to control a fleet of robots with the swipe of a finger. A person taps the tablet to control where the beam of light appears on a floor. The swarm robots then roll toward the illumination, constantly communicating with each other and deciding how to evenly cover the lit area. When the person swipes the tablet to drag the light across the floor, the robots follow. If the operator puts two fingers in different locations on the tablet, the machines ...

Deciphering the neural code that links food to aging

2015-05-12
Diet exerts a major impact on health and ageing. The nervous system plays an important role in this process but, thus far, how food signals are interpreted by the nervous system has been a mystery. This is an important question because the perception of food by the nervous system impacts not just ageing, but also other processes associated with health and disease, including metabolism, reproduction, and development. A new study published in eLife by researchers from the MRC Centre for Developmental Neurobiology (MRC CDN) at the Institute of Psychiatry, Psychology & Neuroscience ...

Delta Cephei's hidden companion

2015-05-12
To measure distances in the Universe, astronomers use Cepheids, a family of variable stars whose luminosity varies with time. Their role as distance calibrators has brought them attention from researchers for more than a century. While it was thought that nearly everything was known about the prototype of Cepheids, named Delta Cephei, a team of researchers at the University of Geneva (UNIGE), the Johns Hopkins University, and the European Space Agency (ESA), have now discovered that this star is not alone, but that it has a hidden companion. A revelation published in The ...

Brazilian beef industry moves to reduce its destruction of rain forests

Brazilian beef industry moves to reduce its destruction of rain forests
2015-05-12
MADISON, Wis. -- Expansion of cattle pastures has led to the destruction of huge swaths of rain forest in Brazil, home to the world's largest herd of commercial beef cattle. But a new study led by the University of Wisconsin-Madison's Holly Gibbs shows that market-driven "zero deforestation agreements" have dramatically influenced the behavior of ranchers and the slaughterhouses to which they sell. Publishing today [May 12, 2015] in the journal Conservation Letters, the research team - including other UW-Madison scientists, the National Wildlife Federation, and IMAZON ...

Nothing fishy about new way to produce sunscreen pill and lotion

2015-05-12
Scientists from Oregon State University have discovered that fish can produce their own sunscreen. They have copied the method used by fish for potential use in humans. In the study published in the journal eLife, scientists found that zebrafish are able to produce a chemical called gadusol that protects against UV radiation. They successfully reproduced the method that zebrafish use by expressing the relevant genes in yeast. The findings open the door to large-scale production of gadusol for sunscreen and as an antioxidant in pharmaceuticals. "The fact that the compound ...

Cardiovascular risk factors extremely high in people with psychosis

2015-05-12
Extremely high levels of cardiovascular risk factors have been found in people with established psychosis, with central obesity evident in over 80 per cent of participants, in a study by researchers from the NIHR Biomedical Research Centre at the South London and Maudsley NHS Foundation Trust (SLaM) and King's College London. In the largest study of its kind in the UK, drawing on a sample of more than 400 outpatients with psychosis, it was discovered that nearly half of the sample were obese (48 per cent), with a body mass index (BMI) of 30 or more. Additionally, nearly ...

Solution to corrosive ocean mystery reveals future climate

Solution to corrosive ocean mystery reveals future climate
2015-05-12
Around 55 million years ago, an abrupt global warming event triggered a highly corrosive deep-water current to flow through the North Atlantic Ocean. The origin of this corrosive water has puzzled scientists for a decade. Now, researchers have discovered this current and how it formed. The findings, published today in Nature Geoscience, also have profound implications for the sensitivity of our current climate to carbon dioxide emissions. The researchers explored the acidification of the ocean that occurred during a period known as the Paleocene Eocene Thermal Maximum ...

A fine-tuned approach improves platelet generation from stem cells

2015-05-11
A low platelet count can occur as the result of a variety of medical conditions and as a medication side effect. Platelet transfusion is often required for individuals with a critically low platelet level. Currently, the primary source of platelets is volunteer donors. Unfortunately, donated platelets have an extremely short shelf life and can be in limited supply. A new study in the Journal of Clinical Investigation reports on a method to generate progenitor cells from murine embryonic stems that are able to produce a large number of functional platelets. Mitchell Weiss ...
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