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Science News Archive December 2014 - Page 15


Page 15 of 28

Researchers demonstrate new way to plug 'leaky' light cavities

Researchers at UC San Diego have developed a more efficient method to trap light by harnessing bound states in the continuum. This innovation addresses the major challenge of trapping and utilizing light for optical computing circuits.

SourceUniversity of California - San Diego·JournalPhysical Review B·DateDec 10, 2014

Internet searches can predict volume of ER visits

A study published in Annals of Emergency Medicine found that Internet searches on a regional medical website can predict emergency department visits with an error rate of 4.8%. This correlation was strongest for the entire county, suggesting that Internet data may be used to forecast emergency department demand.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateDec 10, 2014

Next-generation treatment for urinary tract infections may focus on fitness genes

Researchers have identified bacterial genes that help UTIs spread, providing a potential new target for treating UTIs. The study reveals the specific genes expressed by E. coli bacteria in human urinary tract infections, which can be attacked to promote survival of the bacteria.

SourceMichigan Medicine - University of Michigan·JournalProceedings of the National Academy of Sciences·DateDec 10, 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.

A better biomonitor for children with asthma

A team of researchers at Tel Aviv Sourasky Medical Center developed an Induced Sputum (IS) technique to assess the effect of pollution on urban asthmatic children. The study found that IS is a more physiologically sensitive biomonitoring method than environmental sampling stations, detecting hazardous particles like mercury in the lungs.

SourceAmerican Friends of Tel Aviv University·JournalInternational Archives of Occupational and Environmental Health·DateDec 10, 2014

Study finds eczema, short stature not associated overall

A study published in JAMA Dermatology analyzed data from nine population-based studies and found no overall association between eczema and short stature. However, a small group of children with severe eczema who experienced sleep disturbances showed potentially reversible growth impairment.

SourceJAMA Network·JournalJAMA Dermatology·DateDec 10, 2014

Organic electronics could lead to cheap, wearable medical sensors

Researchers at UC Berkeley have developed a new organic optoelectronic sensor that can accurately measure blood-oxygen levels and is thin, flexible, and disposable. The device uses red and green light to detect changes in oxygen saturation levels, making it potentially cheaper and more convenient than conventional pulse oximeters.

SourceUniversity of California - Berkeley·JournalNature Communications·DateDec 10, 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.

Biomarker discovery sheds new light on heart attack risk of arthritis drugs

Researchers at Imperial College London discovered a possible way to identify which patients should avoid using COX-2 inhibitors, a type of non-steroidal anti-inflammatory drug (NSAID), due to increased heart attack risk. The study found that COX-2 inhibitors raise levels of ADMA, an independent risk factor for cardiovascular disease.

SourceImperial College London·JournalCirculation·DateDec 10, 2014
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Students design workstations that accommodate groups and individual

A team of Penn State engineering students designed workstations that allow users to share space while maintaining their own work areas. The researchers used simulations to determine optimal table shapes and sizes for accommodating groups of different sizes, ultimately publishing their findings in Applied Ergonomics.

SourcePenn State·JournalApplied Ergonomics·DateDec 10, 2014

Drug developed at Pitt proves effective against antibiotic-resistant 'superbugs'

A treatment pioneered at the University of Pittsburgh Center for Vaccine Research is far more effective than traditional antibiotics in inhibiting the growth of drug-resistant bacteria. The new drug, called engineered cationic antimicrobial peptides (eCAPs), inhibited growth in about 90% of test bacterial strains.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalAntimicrobial Agents and Chemotherapy·DateDec 10, 2014
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Prenatal exposure to common household chemicals linked with substantial drop in child IQ

A recent study published in PLOS ONE found a significant link between prenatal exposure to di-n-butyl phthalate (DnBP) and di-isobutyl phthalate (DiBP) and substantial drops in child IQ scores. Children exposed during pregnancy to these chemicals had IQ scores on average six points lower than those exposed at lower levels.

SourceColumbia University's Mailman School of Public Health·JournalPLOS ONE·DateDec 10, 2014

The ups and downs of support from friends when teens experience peer victimization

A new study finds that support from friends generally influences the effects of peer victimization on maladjustment, differing depending on the form of victimization and relationship with peers. Teenagers who suffered relational victimization experienced lower feelings of depression with more supportive friendships.

SourceSpringer·JournalJournal of Psychopathology and Behavioral Assessment·DateDec 10, 2014
Apple iPhone 17 Pro

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

Successful explorer of active compounds

Professor Christian Hertweck has been awarded the prestigious Leibniz Prize for his groundbreaking research on biologically active compounds. His team discovered that endosymbiotic bacteria living within fungal cells are responsible for producing toxins, challenging the long-held belief that fungi produce these toxins.

SourceFriedrich-Schiller-Universitaet Jena·DateDec 10, 2014

Three steps to better gift card giving

Researchers found that givers tend to choose specific gift cards that recipients may not prefer. To avoid this, consider focusing on what recipients want rather than who they are. This approach can lead to more versatile gift cards being chosen, resulting in better redemption rates.

SourceUniversity of Cincinnati·DateDec 10, 2014

Physicists explain puzzling particle collisions

Researchers revised a mathematical description of particle interactions, considering two forces unified under extreme conditions like the Large Hadron Collider. They simplified one description of elementary particles' behavior, predicting specific events that future experiments should observe.

SourceUniversity of California - San Diego·JournalPhysical Review Letters·DateDec 10, 2014

Breakthrough simplifies design of gels for food, cosmetics and biomedicine

Researchers at University of Strathclyde and City University of New York have developed a screening method to accurately predict how peptides can combine to form stable gels. This breakthrough simplifies the discovery of functional gels for various applications, including food, cosmetics, and biomedicine.

SourceUniversity of Strathclyde·JournalNature Chemistry·DateDec 10, 2014

Commonly prescribed painkiller not effective in controlling lower back pain

A new study published in Neurology found that pregabalin is not effective in controlling the pain associated with lumbar spinal stenosis. The most common type of chronic lower back pain in older adults, this condition affects millions worldwide and often leads to surgery or stronger pain medications.

SourceUniversity of Rochester Medical Center·JournalNeurology·DateDec 10, 2014
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Defects are perfect in laser-induced graphene

The study finds that laser-induced graphene (LIG) has a unique structure with five- and seven-atom rings, which can store charges and make it suitable for supercapacitors. Researchers developed a scalable one-step process to create LIG in detailed patterns.

SourceRice University·JournalNature Communications·DateDec 10, 2014

Higher rate of asthma seen in toddlers who share a bed with their parents

A new study published in the European Respiratory Journal suggests that toddlers who share a bed with their parents are more likely to develop asthma in later childhood. Researchers found an association between bed-sharing at two years old and increased wheezing symptoms in early childhood.

SourceEuropean Respiratory Society·JournalEuropean Respiratory Journal·DateDec 10, 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.

Limiting internet congestion a key factor in net neutrality debate

A study published in the RAND Journal of Economics found that price discrimination by ISPs can lead to increased web congestion, as consumers adjust their behavior to take advantage of faster services. The researchers argue that relaxing net neutrality rules would ultimately benefit ISPs at the expense of consumers.

SourceUniversity of California - Berkeley Haas School of Business·JournalThe RAND Journal of Economics·DateDec 10, 2014

Crowdfunding 101

A study by USCB researchers determined that building an audience and engaging it during crowdfunding is crucial for success. The most important networks were those that were scalable, such as Twitter and email, which helped bring people to the projects.

SourceUniversity of California - Santa Barbara·JournalPLOS ONE·DateDec 10, 2014

Molecular tag team revealed to control cell division

Researchers at the University of Manchester discovered a molecular 'tag team' controlling cell division in yeast cells. This relay system ensures proper regulation of mitotic exit, a critical step in preventing abnormal growth and cancer development.

SourceUniversity of Manchester·JournalNature·DateDec 10, 2014
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Brain reward circuits respond differently to 2 kinds of sugar

A study using fMRI found that fructose triggers greater activation in the nucleus accumbens and higher ratings of hunger compared to glucose, suggesting it may promote overeating. The findings have important public health implications for a society with high-sugar foods and tempting stimuli.

SourceAmerican College of Neuropsychopharmacology·JournalNeuropsychopharmacology·DateDec 10, 2014

How to achieve health equity

The article highlights the persistent health gap between whites and blacks, despite improvements in care access. Effective strategies for closing this gap include reporting clinical performance data by race, offering tailored interventions, and creating risk-adjusted scores.

SourceUniversity of Chicago Medical Center·JournalNew England Journal of Medicine·DateDec 10, 2014

Oldest horned dinosaur species in North America found in Montana

Researchers have identified the first definite horned dinosaur species from the Early Cretaceous period in North America, known as Aquilops americanus. This discovery sheds light on the biogeography of neoceratopsian dinosaurs and suggests a late Early Cretaceous intercontinental migratory event between Asia and North America.

SourcePLOS·JournalPLOS ONE·DateDec 10, 2014

New Notre Dame study examines important Ebola protein

A new study by University of Notre Dame researchers found that the most abundant protein in the Ebola virus, VP40, mediates replication and interacts with human cell lipids. This discovery may lead to novel therapeutics for combating Ebola.

SourceUniversity of Notre Dame·JournalJournal of Biological Chemistry·DateDec 10, 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.

Testosterone may contribute to colon cancer tumor growth

Researchers at the University of Missouri found evidence suggesting testosterone contributes to colon cancer tumor growth. Higher levels of testosterone in post-menopausal women may be associated with increased colon cancer risk.

SourceUniversity of Missouri-Columbia·JournalProceedings of the National Academy of Sciences·DateDec 10, 2014

Worms' mental GPS helps them find food

Scientists have developed a mathematical theory based on roundworm foraging that predicts how animals decide to switch from localized to very broad searching. The theory could explain animal behavior in a more unified way, including attention deficit hyperactivity disorder (ADHD) and extraterrestrial behavior.

SourceSalk Institute·DateDec 10, 2014
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

No laughing matter: Nitrous oxide rose at end of last ice age

A study analyzing ancient polar ice cores reveals a significant increase in atmospheric nitrous oxide concentrations from 16,000 to 10,000 years ago. The rise was caused by changes in environmental conditions, contributing to the warming at the end of the ice age and melting of large ice sheets.

SourceOregon State University·JournalNature·DateDec 10, 2014

Proteins stepping on 'landmines': How they survive the immense heat they create

Researchers discovered that enzymes dissipate heat by rapidly accelerating immediately after a reaction, generating a pressure wave called a chemoacoustic wave. This finding explains how proteins cope with the immense heat generated during enzyme reactions without breaking apart.

SourceIndiana University-Purdue University Indianapolis School of Science·JournalNature·DateDec 10, 2014

'Smart windows' have potential to keep heat out and save energy

Researchers have developed a new type of smart window that can respond to heat cues, blocking unwanted heat from entering buildings while still allowing natural light to pass. The new design uses microscopic soft beads suspended in a liquid and has shown promise in reducing energy consumption on hot days.

SourceAmerican Chemical Society·JournalIndustrial & Engineering Chemistry Research·DateDec 10, 2014

Discovery links shift in metabolism to stem cell renewal

Researchers find that embryonic stem cells can modify their metabolism to keep their entire genome accessible, allowing them to renew themselves. This discovery could lead to breakthroughs in regenerative medicine and a better understanding of cancer.

SourceRockefeller University·JournalNature·DateDec 10, 2014
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Patient's own stem cells could clear a cloudy cornea, Pitt team says

Scientists at the University of Pittsburgh School of Medicine have made a groundbreaking discovery in treating corneal injuries by using stem cells from a patient's own eye. The study found that these cells can regenerate healthy corneal tissue, clearing the cloudy surface and restoring vision.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalScience Translational Medicine·DateDec 10, 2014

As in a cloud

Physicists at Goethe University Frankfurt have used the COLTRIMS reaction microscope to demonstrate that the structure of the helium-3 molecule is a 'cloud' rather than a solid structure. The results resolve a long-standing dispute in theoretical physics and show that all possible configurations are equally probable.

SourceGoethe University Frankfurt·JournalNature Communications·DateDec 10, 2014

Alcohol interferes with body's ability to regulate sleep

Researchers found that alcohol interferes with the body's natural sleep-regulating mechanism, altering sleep patterns and causing disrupted sleep. The study suggests that drinking alcohol to fall asleep can have negative consequences on sleep quality and overall health.

SourceUniversity of Missouri-Columbia·JournalAlcohol·DateDec 10, 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.

Peroxisome proliferator-activated receptor agonists may treat alcohol dependence

Researchers suggest that peroxisome proliferator-activated receptor (PPAR) agonists may be effective in treating alcohol dependence. The study found that PPARα or PPARγ agonists, such as fenofibrate, reduced alcohol intake and preference in mice, indicating potential for repurposing these drugs for human treatment.

SourceAlcoholism: Clinical & Experimental Research·DateDec 10, 2014

Can poor sleep lead to dementia?

A new study published in Neurology found that people with sleep apnea or reduced deep sleep are more likely to have brain abnormalities associated with dementia. The study also discovered that those who spent less time in slow wave sleep had loss of brain cells, a risk factor for Alzheimer's disease.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 10, 2014

Dragonflies on the hunt display complex choreography

Scientists have discovered that dragonflies employ a sophisticated system of movement and prediction to catch their prey. By analyzing the intricate movements of their heads and bodies, researchers found that dragonflies use internal models to guide their behavior and anticipate the movements of their prey.

SourceHoward Hughes Medical Institute·JournalNature·DateDec 10, 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.

CWRU scientists find key to vitamin A metabolism

Researchers at CWRU School of Medicine discovered the mechanism behind enzyme Lecithin: retinol acyltransferase (LRAT) storing vitamin A, essential for vision. The study reveals that modifying LRAT's enzymatic activity can be used to transport small molecule drugs to the eye, reducing systemic side effects.

SourceCase Western Reserve University·JournalNature Chemical Biology·DateDec 10, 2014

Study shows no lead pollution in the oil sands region of Alberta

Researchers found lower concentrations of lead and other heavy metals in moss samples from the oil sands area, contrary to current scientific knowledge. The study, published in Environmental Science and Technology, suggests that other factors may be affecting lead pollution levels.

SourceUniversity of Alberta·DateDec 10, 2014