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Science News for December 2, 2015


Research team discovers novel pestivirus affecting swine

A team of researchers at Kansas State University's Veterinary Diagnostic Laboratory has identified a novel pestivirus affecting swine, causing uncontrollable shaking that led to the death of nearly 700 pigs. The virus, named APPV, was found to be widely distributed in the US swine herd and is associated with neurological disease.

SourceKansas State University·JournalJournal of General Virology·DateDec 2, 2015

New plastic solar cell minimizes loss of photon energy

Researchers at RIKEN and Kyoto University have developed a new polymer that minimizes photon energy loss in solar cells, leading to higher efficiency and robust conversion of solar energy into electricity. The achievement marks a significant step towards commercializing cheaper and more efficient polymer-based solar cells.

SourceKyoto University·JournalNature Communications·DateDec 2, 2015

Involvement in traditional dating abuse increases chances of cyberdating abuse in teens

A new study reveals that teenagers who experience traditional dating abuse are at a higher risk of becoming cyberdating abuse victims, and vice versa. Researchers analyzed data from over 1,000 high school students and found that involvement in one form of abuse increases the likelihood of involvement in the other.

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of Youth and Adolescence·DateDec 2, 2015

New insights into the creation of heavy elements

A new method using supercomputers simulates the scattering of helium nuclei inside stars, shedding light on the formation of heavier elements. By reducing computational effort, scientists can now model complex processes involving more particles, bringing them closer to understanding the 'Holy Grail of astrophysics': oxygen creation.

SourceUniversity of Bonn·JournalNature·DateDec 2, 2015

A quantum spin on molecular computers

Researchers created cleverly designed molecular complexes that can store information in a quantum state, overcoming one of the biggest challenges in quantum computing. These new molecules could potentially lead to the development of functional devices and more efficient computer designs.

SourceAmerican Chemical Society·JournalACS Central Science·DateDec 2, 2015

Carbon capture analyst: 'Coal should stay in the ground'

A new study from the University of Michigan found that most economic analyses of carbon capture and storage technology for coal-fired power plants severely underestimates its costs and overestimates its energy efficiency. The researchers conclude that renewable energy sources are likely to be cheaper than reducing carbon emissions from...

SourceUniversity of Michigan·JournalEnvironmental Science & Technology·DateDec 2, 2015

Engraved schist slab may depict paleolithic campsites

A 13,000-year-old engraved schist slab discovered in Spain is believed to represent a human social group. The authors analyzed the morphology of the engraved motifs and suggest that they were created using a similar technique and instrument, depicting everyday life.

SourcePLOS·JournalPLOS ONE·DateDec 2, 2015

Toolkit for microbiota research

Scientists cultivate over half of the bacterial species found on and in the leaves and roots of Arabidopsis thaliana, creating a representative collection for microbiota reconstruction. The developed toolkit enables controlled perturbation of microbiota under controlled environmental conditions.

SourceMax-Planck-Gesellschaft·JournalNature·DateDec 2, 2015

Concern over drug industry involvement at India's 'health camps'

Pharmaceutical sales representatives are screening people in India for their products, raising concerns about unchecked conflicts of interest and potential harm to patients. Local residents receive medical testing at 'health camps,' some organized by Indian drug firms and pharmaceutical companies like Abbott and Roche.

SourceBMJ Group·JournalThe BMJ·DateDec 2, 2015

Climate-change foes winning public opinion war

A new study by Michigan State University researchers suggests that climate-change deniers are successfully changing people's minds with negative messages, regardless of their political affiliation. The study found that core beliefs about climate change remain unchanged even when presented with positive messages, highlighting the diffic...

SourceMichigan State University·JournalTopics in Cognitive Science·DateDec 2, 2015

How does my therapist rate?

Researchers at USC, University of Washington and University of Utah developed a machine-learning algorithm that detects high-empathy or low-empathy speech in therapist-patient sessions. The tool uses automatic speech recognition and natural language processing to analyze over 1,000 therapy sessions.

A cheap, disposable device for diagnosing disease

Researchers at Penn State have created a reusable microfluidic device that can sort and manipulate cells for cheap and convenient biomedical diagnosis. The device, called acoustic tweezers, uses gentle vibrations to manipulate cells and has the potential to be used in diagnostics, therapeutics, and biology labs.

SourcePenn State·JournalLab on a Chip·DateDec 2, 2015

A window into sexuality

A study by Meredith Chivers found that heterosexual women exhibit diverse patterns of sexual response to both male and female stimuli, challenging previous assumptions about heterosexuality. The research suggests a more nuanced understanding of the relationships between sexual identity, attractions and genital responses.

SourceQueen's University·JournalPLOS ONE·DateDec 2, 2015

SAGE to begin publishing the International Bulletin of Mission Research

The SAGE Journal will begin publishing the International Bulletin of Mission Research in partnership with The Overseas Ministries Study Center. The journal provides in-depth analyses of worldwide Christianity and mission-focused book reviews. IBMR is an unparalleled source of information on the world church in mission.

SourceSAGE·JournalInternational Bulletin of Mission Research·DateDec 2, 2015

Conductor turned insulator amid disorder

Researchers have discovered a multifractal spatial structure in disordered materials that can turn them from conductors to insulators. This finding has significant implications for understanding the behavior of disordered materials, which are found in amorphous solids like glass and biological tissue.

SourceSpringer·JournalThe European Physical Journal B·DateDec 2, 2015

Survival has improved for women with stage IV breast cancer

A study of over 20,000 women with stage IV breast cancer found improved survival rates, especially among those who received initial breast surgery. The median survival increased from 20 to 26 months, and age, tumor size, hormone receptor status, and year of diagnosis were associated with prolonged survival.

SourceJAMA Network·JournalJAMA Surgery·DateDec 2, 2015

What is the universe made of?

Researchers discovered the majority of missing ordinary matter in the universe, found in hot gas associated with intergalactic filaments. The study validates models of galaxy formation and could lead to a better understanding of heavy elements formed by stars since the beginning of the universe.

SourceUniversité de Genève·JournalNature·DateDec 2, 2015

Stock market bubbles: Investor emotions fuel the frenzy

Researchers found that investors who experienced intense positive emotions before trading were more aggressive and pushed prices up, while those with negative emotions proceeded cautiously. This study increases understanding of how bubbles work and highlights the importance of considering emotional triggers in asset price inflation.

Fast radio burst hints at its source

Researchers analyzed 700 hours of archival data to discover a burst of radio waves from six billion light years away. The region of space it came from was highly magnetized, suggesting it could be related to a supernova or nebula forming new stars.

SourceCIFAR·JournalNature·DateDec 2, 2015

Twitter data can make roads safer during inclement weather

A University at Buffalo study uses Twitter data to enhance computer models guiding traffic during snowstorms and adverse weather. By analyzing over 360,000 tweets, researchers found that including such data improves the accuracy of models, particularly during peak tweeting hours and in densely populated areas.

SourceUniversity at Buffalo·JournalTransportation Research Record Journal of the Transportation Research Board·DateDec 2, 2015

Trapping climate pollutant methane gas in porous carbon

Researchers develop methods to accurately simulate methane adsorption and desorption in porous carbon, relevant for energy research and climate change mitigation. The study used computational methods to analyze molecular interactions between methane and activated carbon, providing insights into preventing gas adsorption.

SourceSpringer·JournalThe European Physical Journal B·DateDec 2, 2015

Healthful hemp poised to grow in US

The US hemp industry is expected to grow as the country's demand for healthful foods increases, thanks to the nutritional profile of hemp. The crop contains all nine essential amino acids, omega-6 and omega-3 fatty acids, and has been shown to have potential health benefits.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateDec 2, 2015