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Science News Archive May 2014 - Page 19


Page 19 of 31

Novel blood test may help predict impending preterm birth

A blood test has been developed to predict impending preterm birth, distinguishing between true and false labor in 70% of cases. The new test outperforms existing methods by using a set of nine genes coupled with clinical data, allowing for all women to be screened as part of routine blood work.

SourcePLOS·JournalPLOS ONE·DateMay 14, 2014

A new approach to treating peanut and other food allergies

Researchers developed a modified flour powder that triggers beneficial desensitization reactions without causing allergic responses in laboratory tests. The technique could be adapted for other food allergies, offering new hope for people suffering from life-threatening peanut and other food allergies.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateMay 14, 2014
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Preschool teacher depression linked to behavioral problems in children

Research suggests that preschool teacher depression is associated with behavioral problems in children, including aggression, anxiety, and sadness. The study found a direct relationship between teacher depression and internalizing problems in children, as well as a lower-quality child care atmosphere.

SourceOhio State University·JournalJournal of Consulting and Clinical Psychology·DateMay 13, 2014

Medications can help adults with alcohol use disorders reduce drinking

Two medications, acamprosate and oral naltrexone, have shown promise in reducing return to drinking and improving other drinking outcomes. The study provides additional options for clinicians to address alcohol use disorders, a global concern associated with many health problems.

SourceUniversity of North Carolina at Chapel Hill·JournalJAMA·DateMay 13, 2014

Scientists reveal structural secrets of enzyme used to make popular anti-cholesterol drug

Researchers identified a mutated enzyme called LovD9 that produces simvastatin 1,000 times more efficiently than the natural enzyme. The team used computer simulations and X-ray crystallography to determine the molecular structures of both enzymes, revealing subtle variations in their behavior when immersed in water.

SourceUniversity of California - Los Angeles·JournalNature Chemical Biology·DateMay 13, 2014

Distance influences accuracy of eyewitness IDs

Research found that eyewitness accuracy decreases by 0.55% per yard in correct identifications, while false alarms increase by 0.44% per yard. The study's findings have implications for the trustworthiness of eyewitness accounts used in criminal cases.

SourceSpringer·JournalPsychonomic Bulletin & Review·DateMay 13, 2014

Understanding the 1918 flu pandemic can aid in better infectious disease response

Researchers analyzed the 1918 pandemic in Labrador, Canada and Alaska, finding environmental, nutritional and economic factors influenced morbidity. Lessons learned from this study can aid in improving infectious disease response by evaluating healthcare access, housing conditions and contingency plans.

SourceUniversity of Missouri-Columbia·JournalAnnals of Anthropological Practice·DateMay 13, 2014
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Quantum trimer -- from a distance

Researchers confirm existence of Efimov state, a bound state of three particles, at vast distances between particles. The state was previously elusive to prove experimentally.

SourceUniversity of Innsbruck·JournalPhysical Review Letters·DateMay 13, 2014

Concerns raised over EU ban on ditching unwanted fish

A University of Strathclyde report suggests that EU's ban on ditching unwanted fish could have unintended consequences on wildlife and fail to improve fish stocks. Changing fishing practices to eliminate unwanted catches has dramatic effects on the entire food web, with major benefits for birds, mammals, and fish stocks.

SourceUniversity of Strathclyde·JournalNature Communications·DateMay 13, 2014

Researchers identify genetic marker linked to OCD

A genome-wide association study has identified a genetic marker associated with OCD, which could lead to new drugs and treatments for the debilitating disorder. The findings suggest a link between OCD and learning and memory, as well as attention-deficit hyperactivity disorder (ADHD).

SourceJohns Hopkins Medicine·JournalMolecular Psychiatry·DateMay 13, 2014
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Signal Fire in New Mexico

The Signal Fire in New Mexico is a rapidly spreading wildfire with 507 firefighters and resources from NASA. The fire's cause is believed to be human, with evacuations ordered for residents near the affected area.

SourceNASA/Goddard Space Flight Center·DateMay 13, 2014

Study: state VAMS don't reflect content, quality of teachers' instruction

A new study published in Educational Evaluation and Policy Analysis found no association between multiple-measure teaching effectiveness ratings and the content of teachers' instruction. The researchers suggest that value-added models are not useful for evaluating teacher performance or shaping classroom instruction.

SourceAmerican Educational Research Association·JournalEducational Evaluation and Policy Analysis·DateMay 13, 2014

Women's empowerment and Olympic success

Research by Grand Valley State University researchers found a strong correlation between women's empowerment and international athletic success, including more medals won and increased participation. The study controlled for other factors like population and wealth to show that gender equality was key to Olympic success.

SourceGrand Valley State University·JournalJournal of Sports Economics·DateMay 13, 2014

Novel ORNL technique enables air-stable water droplet networks

Researchers at Oak Ridge National Laboratory have developed a method to create air-stable water droplet networks that can simulate cell membranes. The technique, which uses a superhydrophobic surface infused with oil, enables the formation of interconnected water droplets without coalescing.

SourceDOE/Oak Ridge National Laboratory·JournalProceedings of the National Academy of Sciences·DateMay 13, 2014

Simplifying an ultrafast laser offers better control

Researchers have developed a new concept for simplifying ultrafast lasers, enabling control over multiple parameters and excellent performance potential. The 'frequency domain optical parametric amplification' (FOPA) approach supersedes traditional time domain amplification schemes.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Communications·DateMay 13, 2014
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

First year student publishes monsoon study

A first-year Environmental Science student at the University of Nottingham Malaysia Campus published a literature review on the Southeast Asian monsoon in Geoscience Frontiers. The study found that future climate warming could lead to a 15-day delay in the monsoon onset by the start of the next century.

SourceUniversity of Nottingham·JournalGeoscience Frontiers·DateMay 13, 2014

Glycomics Institute to assist Australian sugar industry

Griffith University's Institute for Glycomics has partnered with Sugar Research Australia to develop technologies for the Australian sugar industry, focusing on improving raw sugar quality. The collaboration aims to apply glycoscience expertise in disease prevention and cure to help manage aspects of raw sugar quality.

SourceGriffith University·DateMay 13, 2014

Surprising global species shake-up discovered

Despite declining global biodiversity, a recent study found that many ecosystems have remained stable, with no significant decrease in species richness. Instead, researchers discovered substantial changes in species composition, averaging 10% change per decade.

SourceUniversity of Vermont·JournalScience·DateMay 13, 2014
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

A tiny, toothy catfish with bulldog snout defies classification

A newly discovered fish, Kryptoglanis shajii, has a unique combination of characteristics that set it apart from other catfishes. The fish's bone structure shows modified shapes and changes in certain bones, giving it a bulldog-like snout and conical teeth.

SourceDrexel University·JournalProceedings of the Academy of Natural Sciences of Philadelphia·DateMay 13, 2014

New agent may enhance effectiveness of radiotherapy

Scientists have discovered a new drug that significantly improves the effectiveness of radiotherapy in stopping tumor growth and increasing long-term survival. The combination treatment reduces secondary lung tumors and demonstrates potential for improved cancer treatment.

SourceUniversity of Manchester·JournalInternational Journal of Cancer·DateMay 13, 2014

Women's empowerment and Olympic success

A study by Grand Valley State University researchers found that nations with greater women's empowerment tend to win more Olympic medals and participate in the games more, regardless of gender. The effect is strongest for female athletes, but also applies to men, with greater equality associated with better success.

SourceGrand Valley State University·JournalJournal of Sports Economics·DateMay 13, 2014

Released prisoners are more likely to suffer early death

Men released from prison are more than twice as likely to die prematurely compared to those who have not been incarcerated. The 'mortality penalty' of incarceration includes increased exposure to diseases like TB and HIV, prolonged stress, and disruptions in social bonds.

SourceGeorgia State University·JournalJournal of Health and Social Behavior·DateMay 13, 2014
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Tiny, tenacious and tentatively toxic

Dr. Kevin Conway and his team have made two groundbreaking discoveries in the study of Western Atlantic Clingfishes. The researchers identified a new species of clingfish less than an inch long and discovered a unique venom gland in a well-studied group of fish, highlighting the vast diversity and complexity of marine ecosystems.

SourceTexas A&M AgriLife Communications·JournalPLOS ONE·DateMay 13, 2014

Protein Data Bank: 100,000 structures

The Protein Data Bank has surpassed 100,000 entries, providing a wealth of structural data for researchers to understand biological mechanisms and discover new medicines. The archive's growth is driven by the efforts of structural biologists worldwide, who continue to deposit new structures and improve the resource.

SourceRutgers University·DateMay 13, 2014

Odd planet, so far from its star...

Researchers have discovered a gas giant exoplanet, GU Psc b, located 2,000 times closer to its star than Earth is to the Sun. The planet's massive size and distance from its star make it an ideal object for studying giant exoplanets.

SourceUniversity of Montreal·DateMay 13, 2014
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Scientists reveal new picture in the evolution of flightless birds

A recent study assembled a large dataset using ancient moa DNA and found convincing evidence that tinamous are closely related to extinct moas, leading to independent loss of flight. Morphological characters of ratites were mostly convergent, evolving independently as adaptations to a cursorial lifestyle.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalMolecular Biology and Evolution·DateMay 13, 2014

Humans and companion animals harbor the same types of MRSA infections

A study published in mBio reveals that humans and companion animals share the same types of MRSA infections, indicating a common population of bacteria. The research suggests that antibiotic usage in animal medicine is shaping the human pathogen, and healthy pets are not likely to pick up MRSA from their human companions.

SourceAmerican Society for Microbiology·JournalmBio·DateMay 13, 2014

Fossil palm beetles 'hind-cast' 50-million-year-old winters

Researchers used fossil beetles to determine winter temperatures in 50-million-year-old uplands of British Columbia and Washington, revealing mild, frost-free winters. This discovery may help scientists understand how natural communities are impacted by climate change.

SourceSimon Fraser University·JournalProceedings of the National Academy of Sciences·DateMay 13, 2014

Human learning altered by electrical stimulation of dopamine neurons

A study by neuroscientists at the University of Pennsylvania found that stimulation of dopamine-containing neurons can modify human learning. When participants received a reward, they tended to repeat the button press that resulted in the reward, even when it was no longer associated with the action.

SourceUniversity of Pennsylvania School of Medicine·DateMay 13, 2014
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Bird invaders 'moving in' to UK's nature reserves

Researchers found that European birds are expanding their ranges into UK nature reserves, but non-native wetland birds such as the Black Swan and Egyptian Goose are also invading protected areas. The study highlights the importance of conservation efforts to tackle these invasions and protect native species.

SourceUniversity of York·JournalDiversity and Distributions·DateMay 13, 2014

Novel target found for chemotherapy-resistant leukemia cells

Researchers at Children's Hospital Los Angeles have discovered a novel target, B-cell activating receptor (BAFF-R), for chemotherapy-resistant leukemia cells. By targeting this receptor, the team was able to selectively kill cancer cells in mouse models and increase killing of leukemia cells by natural killer cells and macrophages.

SourceChildren's Hospital Los Angeles·JournalMolecular Cancer Therapeutics·DateMay 13, 2014

E-cigarettes and mental health

Researchers at University of California, San Diego School of Medicine report that people living with depression, anxiety, or other mental health conditions are twice as likely to have tried e-cigarettes and three times as likely to be current users. They also face a higher risk of trying e-cigarettes in the future.

SourceUniversity of California - San Diego·JournalTobacco Control·DateMay 13, 2014
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Evolutionary biologists glimpse early stages of Y-chromosome degeneration

Scientists studied plant species Rumex hastatulus to understand the earliest stages of Y-chromosome degeneration. They found genes had already started to undergo genetic degeneration despite their recent origin, with degeneration depending on how long ago genes stopped recombining with each other.

SourceUniversity of Toronto·JournalProceedings of the National Academy of Sciences·DateMay 13, 2014
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

MEMS nanoinjector for genetic modification of cells

Researchers developed a new, high-tech device for transferring DNA into cells with minimal stress, reducing cell death rates. The MEMS nanoinjector uses electrical forces to inject DNA into cells without using extra fluid.

SourceAmerican Institute of Physics·JournalReview of Scientific Instruments·DateMay 13, 2014

The physics of ocean undertow

A new paper in Physics of Fluids provides a more consistent way to describe the forces acting on waves and undertows. The researchers found that different approaches were due to incorrect handling of weak forces, not methodology. This advance enables better models for predicting beach erosion and can help preserve shorelines.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMay 13, 2014

Older, sicker men with early-stage prostate cancer do not benefit from aggressive treatment

A study by UCLA researchers found that treating older men with early-stage prostate cancer who also have other serious underlying health problems with aggressive therapies does not help them live longer. In fact, it can be detrimental and result in additional health issues such as impotence, urinary incontinence, and bowel problems.

SourceUniversity of California - Los Angeles Health Sciences·JournalCancer·DateMay 13, 2014
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Letting it go: Take responsibility, make amends and forgive yourself

A Baylor University study reveals that making amends gives permission to let go of feelings of guilt and shame, allowing individuals to forgive themselves for past wrongs. The research also found that women are less self-forgiving than men and that the more serious the offense, the less likely one is to self-forgive.

SourceBaylor University·JournalThe Journal of Positive Psychology·DateMay 13, 2014
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Smart drugs pose special risks to the developing brain of young people

A recent review warns of the dangers of smart drugs on young people's developing brains, highlighting the potential for long-term impairments and decreased brain plasticity. Methylphenidate and modafinil, two popular smart drugs, have been found to cause these effects in young brains.

SourceFrontiers·JournalFrontiers in Systems Neuroscience·DateMay 13, 2014

UTMB study discovers cause of many preterm births

A new study by UTMB researchers discovered that exposure to oxidative stress, triggered by cigarette smoke, leads to premature aging of the placenta. This can result in preterm birth, a condition affecting millions worldwide. The findings suggest alternative strategies may be needed to prevent preterm births beyond current interventions.

SourceUniversity of Texas Medical Branch at Galveston·JournalAmerican Journal Of Pathology·DateMay 13, 2014

Autophagic activation with Nimotuzumab enhances chemo-radiosensitivity

Researchers discovered that nimotuzumab promotes autophagic cell death, enhancing the antitumor effects of chemotherapy and radiation in ESCC cells with high EGFR expression. This finding suggests a potential strategy for improving therapeutic efficacy in esophageal squamous cell carcinoma.

SourceSociety for Experimental Biology and Medicine·JournalExperimental Biology and Medicine·DateMay 13, 2014

Comet theory false; doesn't explain Ice Age cold snap, Clovis changes, animal extinction

A new study published in the Proceedings of the National Academy of Sciences has found that most supposed impact indicators at 29 sites are too old or too young to be remnants of an ancient comet. The researchers tested existing stratigraphic and chronological data sets to determine if these markers dated to the onset of the Younger Dr...

SourceSouthern Methodist University·JournalProceedings of the National Academy of Sciences·DateMay 13, 2014
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

New stem cell research points to early indicators of schizophrenia

Researchers at the Salk Institute used stem cells to study neural function in people with schizophrenia, finding unusual activity in early developmental stages that may lead to diagnostic tests. The study suggests that events during pregnancy could contribute to the disease.

SourceSalk Institute·JournalMolecular Psychiatry·DateMay 13, 2014

Study examines effectiveness of medications to treat alcohol use disorders

A comprehensive analysis of over 120 studies reveals that medications like acamprosate and oral naltrexone show promise in decreasing alcohol consumption, with an average number needed to treat (NNT) of 12 for both. These findings highlight the potential benefits of medication-assisted treatment for adults with alcohol use disorders.

SourceJAMA Network·JournalJAMA·DateMay 13, 2014