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Science News Archive February 2013 - Page 11


Page 11 of 28

Engineering cells for more efficient biofuel production

Researchers at MIT have developed a method to increase isobutanol production in yeast by up to 260%, boosting it entirely within mitochondria. This approach may also be applicable to other biochemicals, opening opportunities for metabolic engineering and renewable energy production.

SourceMassachusetts Institute of Technology·JournalNature Biotechnology·DateFeb 19, 2013

Don't trust liposomes in your beauty products

Researchers from University of Southern Denmark used RICS technique to investigate liposome movement on skin. They found that liposomes are destroyed before entering the skin and spilling their cargo of active ingredients. The study advises against trusting claims about liposomes carrying active ingredients into the skin.

SourceUniversity of Southern Denmark·JournalJournal of Investigative Dermatology·DateFeb 19, 2013

UCLA scientists develop new therapeutics that could accelerate wound healing

Researchers have developed a new bio-mimicking therapeutic that can stabilize bFGF, allowing for its potential use in treating skin wounds and accelerating the healing process. The stable conjugate has been shown to function like normal bFGF to trigger the same signaling pathways involved in wound healing.

SourceUniversity of California - Los Angeles·JournalNature Chemistry·DateFeb 19, 2013
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.

Coming to a smartphone near you: Personalized experiences

A new study suggests that smartphone apps can offer consistent and personalized recommendations to customers, every time and everywhere they go. This is achieved through automated systems and applications that capture both explicit and implicit feedback from customers.

SourceBoston College·JournalJournal of Service Research·DateFeb 19, 2013
Apple iPhone 17 Pro

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

Genetic signs of alcoholism in women studied for the first time

Researchers have found genetic variants linked to alcoholism in the Spanish population, including women. The study identified polymorphisms in genes related to metabolism and the dopaminergic system, which are associated with increased risk of hazardous drinking and dependence.

SourceElhuyar Fundazioa·JournalAddiction·DateFeb 19, 2013

New compound holds high promise in battling kidney cancer

Researchers at UC Riverside have developed a compound called TIR-199 that targets the proteasome complex in kidney cancer cells, showing promising results in laboratory tests. The compound is nearly as potent as existing bortezomib but selectively inhibits growth of only renal cancer cell lines.

SourceUniversity of California - Riverside·DateFeb 19, 2013
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Fresh faces abundant at Colorado Science Bowl

Lakewood High School won the competition for the first time, defeating Cheyenne Mountain High School in the final round. The team will represent Colorado at nationals on April 25. Over 15,000 students competed, with 10 schools participating for the first time.

SourceDOE/National Renewable Energy Laboratory·DateFeb 19, 2013

Is there a link between coffee drinking and mortality?

A large study found that as coffee drinking increased, the risk of death decreased in older adults. The study's author discusses potential links between coffee consumption, caffeine intake, and various causes of disease.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Caffeine Research·DateFeb 19, 2013

How the whale got its teeth

A multidisciplinary team of researchers investigated how whales got their teeth by analyzing the fossil record and embryonic development process. They found that whales evolved simpler teeth around 30 million years ago, which are shaped by proteins BMP4 and FGF8 during development.

SourcePeerJ·JournalPeerJ·DateFeb 19, 2013
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.

Fungi offers new clues in asthma fight, say Cardiff scientists

Researchers from Cardiff University have discovered hundreds of fungal particles in the lungs of asthma sufferers and healthy individuals alike. The study reveals that asthma patients have a distinct array of fungal species not present in healthy lungs, potentially leading to new treatment avenues.

SourceCardiff University·JournalBMC Infectious Diseases·DateFeb 19, 2013

Males' superior spatial ability likely is not an evolutionary adaptation

Researchers dispute evolutionary psychology's 'adaptive' explanation for males' superior spatial navigation, suggesting it may be a result of testosterone levels. The study analyzed 35 species and found no consistent support for the hypothesis that male superiority is an adaptation.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalThe Quarterly Review of Biology·DateFeb 19, 2013

Powerful people are looking out for their future selves

Research by Priyanka Joshi and Nathanael Fast found that powerful individuals are more willing to take larger rewards in the future due to feeling a stronger connection with their future selves. This reduction in temporal discounting allows them to make better, long-term decisions.

SourceAssociation for Psychological Science·JournalPsychological Science·DateFeb 19, 2013

How predictable is evolution?

Researchers found that identical mutations led to the evolution of specialized physiologies in three different populations of E. coli. The study suggests that negative frequency dependence plays a key role in driving diversification, and highlights the potential for predictability in evolutionary processes.

SourcePLOS·JournalPLOS Biology·DateFeb 19, 2013
Meta Quest 3 512GB

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

Diagnosis and treatment now possible for osteoarthritic cats

Researchers at the University of Montreal have found a way to diagnose and treat osteoarthritis in cats using meloxicam, an anti-inflammatory medication. The study showed that daily oral administration of meloxicam provided pain relief for four weeks, with higher doses continuing to provide relief for five weeks after treatment stopped.

SourceUniversity of Montreal·JournalThe Veterinary Journal·DateFeb 19, 2013

Unplanned hospitalization more likely in people with several illnesses, mental health conditions

A study of over 180,000 people in Scotland found that those with multiple chronic health conditions and mental illness had significantly higher rates of unplanned hospital admissions. The risk was further increased among those from lower socioeconomic backgrounds, highlighting the need for better coordinated care and prioritization of ...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 19, 2013

Language protein differs in males, females

A study found that male rat pups have more of a specific brain protein associated with language development than females. The researchers also discovered sex differences in the brain protein in children, with girls having higher levels of the Foxp2 protein in the cortex.

SourceSociety for Neuroscience·DateFeb 19, 2013
Celestron NexStar 8SE Computerized Telescope

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

NREL and partners demonstrate quantum dots that assemble themselves

Scientists from NREL and partners successfully demonstrated self-assembling quantum dots in a nanowire system for quantum photonics. The breakthrough could improve solar cell efficiency, quantum computing, and lighting devices due to the precise positioning of quantum dots within the nanowire.

SourceDOE/National Renewable Energy Laboratory·JournalNature Materials·DateFeb 19, 2013

And the Oscar (and thanks) goes to…

A Georgia Tech student analyzed 60 years of Academy Awards acceptance speeches to identify patterns and trends, including the anatomy of a typical speech and the frequency of certain phrases. She found that nearly every speech closes with 'thank you,' but only half of winners use the iconic phrase.

SourceGeorgia Institute of Technology·DateFeb 19, 2013

'Growing' medicines in plants requires new regulations

The EU directive on GMOs must be amended to allow the production of plant-made pharmaceuticals, which could lead to cheaper vaccines, pharmaceuticals, and organic plastics. The new regulations should provide tight oversight to encourage investment while maintaining trust.

SourceNorwich BioScience Institutes·JournalCurrent Pharmaceutical Design·DateFeb 19, 2013
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Could an old antidepressant treat sickle cell disease?

Researchers discover that tranylcypromine can reverse the effects of sickle cell disease in mice and human red blood cells. This breakthrough could lead to new treatments for the life-threatening condition, which causes misshapen red blood cells to cause vascular damage and premature death.

SourceMichigan Medicine - University of Michigan·JournalNature Medicine·DateFeb 19, 2013

Is there a link between childhood obesity and ADHD, learning disabilities?

A University of Illinois study found a possible link between high-fat diets and childhood brain-based conditions like ADHD and memory-dependent learning disabilities. High-fat diets triggered anxious behaviors and learning deficiencies in juvenile mice, which were reversed by methylphenidate treatment.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPsychoneuroendocrinology·DateFeb 19, 2013
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Using mouthrinse reduces plaque and gingivitis more than toothbrushing alone

A six-month study published in General Dentistry found that using a germ-killing mouthrinse twice daily significantly reduced plaque and gingivitis compared to brushing alone. The study involved 139 adults with mild to moderate plaque and gingivitis, showing a 26.3% reduction in plaque and a 20.4% reduction in gingivitis.

SourceAcademy of General Dentistry·JournalEuropean Journal of General Dentistry·DateFeb 19, 2013

Computer modeling reveals how surprisingly potent hepatitis C drug works

A study reveals how daclatasvir, a hepatitis C drug, targets the NS5A protein and causes rapid viral decline. The research also provides an accurate estimate of the HCV half-life, revealing that the daily viral production is four times larger than previously thought.

SourceDOE/Los Alamos National Laboratory·JournalProceedings of the National Academy of Sciences·DateFeb 19, 2013

UC research examines interventions in treating African-Americans with substance abuse

A new study by University of Cincinnati researchers found that Motivational Enhancement Therapy (MET) was more effective than Counseling as Usual (CAU) in reducing days of substance abuse among highly motivated African-American participants. However, lower-motivated participants showed better outcomes with CAU programs.

SourceUniversity of Cincinnati·JournalPsychology of Addictive Behaviors·DateFeb 19, 2013
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.

NYU's Shedlin publishes study on the health of Colombian refugees in Ecuador

A recent study by NYU's Michele Shedlin documents food and housing insecurity, lack of adequate healthcare, and the impact of prior violence and current stigma & discrimination on mental and physical health. The research highlights the urgent need for identifying specific health risks experienced by mobile and displaced populations.

SourceNew York University·JournalJournal of Immigrant and Minority Health·DateFeb 19, 2013

Study suggests reduced lung function in infancy associated with wheeze later

A study published in JAMA Pediatrics found that reduced lung function in infancy is associated with wheezing beyond childhood. The study, which followed participants from birth to age 18, suggests that early airway function and later exposures such as smoking may contribute to the development of obstructive respiratory diseases.

SourceJAMA Network·JournalJAMA Pediatrics·DateFeb 18, 2013

Annals of Internal Medicine tip sheet for Feb. 19, 2013

Acupuncture showed statistically significant improvements in symptoms and medication use for patients with seasonal allergic rhinitis. Increasing CT screening thresholds could decrease false positive results but may delay cancer diagnosis. The American College of Physicians has released a new tip sheet with these findings.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateFeb 18, 2013
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.

Caffeine linked to low birth weight babies

Research published in BMC Medicine found that caffeine from all sources reduces birth weight and increases pregnancy length by 5 hours per day. Caffeine intake from coffee was associated with an even longer gestational length, increasing risk of small for gestational age at birth by almost a third

SourceBMC (BioMed Central)·JournalBMC Medicine·DateFeb 18, 2013

Reduced sea ice disturbs balance of greenhouse gases

A new study by Lund University researchers reveals that reduced Arctic sea ice is causing a significant disturbance to the balance of greenhouse gases in the atmosphere. This change has far-reaching consequences for the global climate, as plants and oceans absorb half of the carbon dioxide released into the air through human activities.

SourceLund University·JournalNature Climate Change·DateFeb 18, 2013

'Simplified' brain lets the iCub robot learn language

Researchers developed an artificial brain system that enables robots to learn and understand new sentences containing a new grammatical structure. This technology has the potential to contribute to understanding linguistic malfunctions in Parkinson's disease and improve robots' ability to acquire language knowledge.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalPLOS ONE·DateFeb 18, 2013

New projections of 'uneven' global sea-level rise

A new study projects that global sea-level rise will not be uniform, with certain regions experiencing higher rates of rise. The team used sophisticated computer modeling to show how ice loss from glaciers and ice sheets will impact regional sea levels, particularly in the Equatorial Pacific Ocean.

SourceBritish Antarctic Survey·JournalGeophysical Research Letters·DateFeb 18, 2013
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.

Stem cell-based bioartificial tissues and organs

Researchers are developing stem cell-based transplant technology to recreate complex tissues and organs, with successful trials in trachea, oesophagus and lung transplantation. Experimental attempts also show promise for brain regeneration and treatment of acute refractory lung failure.

SourceKarolinska Institutet·DateFeb 18, 2013

Study examines effect of entrepreneurial rhetoric on microlending

A recent study examined the effect of entrepreneurial rhetoric on microlending investment and found that successful entrepreneurs use language to shape investors' perceptions. By avoiding accomplishments-based rhetoric, entrepreneurs can increase their chances of securing funding by eliciting a 'warm-glow' response from lenders.

SourceUniversity of Oklahoma·JournalJournal of Business Venturing·DateFeb 18, 2013

Solar sponge' soaks up CO₂ emissions

CSIRO researchers develop a 'solar sponge' that captures CO2 using natural sunlight, then releases it instantly when exposed to UV light. This breakthrough presents an energy-efficient method for recycling CO2 emissions, reducing the need for coal-based energy and conserving up to 30% of power plant production capacity.

SourceCSIRO Australia·JournalAngewandte Chemie·DateFeb 18, 2013

Raw meat diet may not be enough for cats (or tigers)

Researchers found that raw meat diets met many nutrient requirements for cats, but there were gaps in linoleic acid and arachidonic acid levels. Pet owners may need to supplement with other nutrients, including fat and essential fatty acids. The study highlights the importance of proper nutrition for domestic and exotic felines.

SourceAmerican Society of Animal Science·JournalJournal of Animal Science·DateFeb 18, 2013
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.

Some cheeses exceed contaminant levels recommended by EU

A study found that some organic cheeses in Spain have higher concentrations of polychlorinated biphenyls (PCBs) than recommended by the EU. The presence of these toxins has been linked to health risks such as cancer, obesity, and diabetes.

SourceSpanish Foundation for Science and Technology·JournalFood and Chemical Toxicology·DateFeb 18, 2013

New insight into dogs fear responses to noise

A study by the University of Bristol has found that almost half of dog owners reported their pet showing fear signs when exposed to loud noises, but only a quarter considered their pet fearful. The research highlights the importance of early life experience and exposure to specific loud noises in developing fear responses.

SourceUniversity of Bristol·JournalApplied Animal Behaviour Science·DateFeb 18, 2013
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.

Could a computer on the police beat prevent violence?

Researchers analyzed Boston data and found correlations between alcohol availability, drug possession, and violent crimes. The study aims to help policy makers and police focus resources on areas with higher risk factors for violence.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Public Health·DateFeb 18, 2013