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Science News Archive 2014 - Page 262


Page 262 of 376

Study supports safety of antimicrobial peptide-coated contact lenses

A new study reports that antimicrobial peptide-coated contact lenses are safe and effective in reducing the risk of contact lens-related infections. The study found no signs of toxic effects or adverse reactions, making melimine-coated lenses a promising alternative to traditional antibiotics.

SourceWolters Kluwer Health·JournalOptometry and Vision Science·DateApr 24, 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.

Scientists reprogram blood cells into blood stem cells in mice

Researchers at Boston Children's Hospital have made a significant breakthrough in regenerative medicine by reprogramming mature blood cells into blood-forming hematopoietic stem cells. The induced blood-forming stem cells (iHSCs) have functional hallmarks of HSCs and can give rise to all cellular components of the blood.

SourceBoston Children's Hospital·JournalCell·DateApr 24, 2014

New approach for surgery patients cuts hospital stays and costs

A new approach to managing patients before, during, and after colorectal surgery has been shown to significantly reduce hospital stays and readmission rates. The enhanced recovery approach, which includes standardized care pathways and evidence-based practices, cut hospital admissions by two days and reduced readmission rates by half.

SourceDuke University Medical Center·JournalAnesthesia & Analgesia·DateApr 24, 2014

Microscopic organism plays a big role in ocean carbon cycling, Scripps scientists discover

A Scripps Institution of Oceanography study finds that Alteromonas bacteria can consume as much dissolved organic carbon as diverse communities of organisms. This discovery sheds light on the complex mechanisms of ocean carbon cycling and highlights the importance of individual species in regulating atmospheric carbon dioxide.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 24, 2014
Apple iPhone 17 Pro

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

Genetic code of the deadly tsetse fly unraveled

Researchers have sequenced the tsetse fly's genome, providing insights into its biology and potentially leading to new ways to prevent trypanosomiasis. The study's findings could also help develop environmentally-safe insecticides targeting the fly's neuropeptide systems.

SourceKU Leuven·JournalScience·DateApr 24, 2014

Pilot study suggests ways to widen access to fecal transplants for C. diff infections

A new pilot study published in Clinical Infectious Diseases found that using frozen stool from healthy, unrelated donors was safe and effective in treating patients with relapsing diarrhea caused by Clostridium difficile. The treatment was equally effective whether given via a colonoscope or a nasogastric tube.

SourceInfectious Diseases Society of America·JournalClinical Infectious Diseases·DateApr 24, 2014

JCI online ahead of print table of contents for April 24, 2014

Researchers have successfully expanded cord blood stem cells using histone deacetylase inhibitors, resulting in enhanced proliferation and hematopoietic reconstitution. The findings suggest a potential clinical benefit for children with hematological malignancies or genetic defects.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 24, 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.

Male-biased tweeting

A study found that Twitter conversations among men feature fewer mentions of women compared to female-female conversations. The Bechdel test was applied to analyze the gender bias in social media platforms, revealing a male-biased environment on Twitter.

SourceETH Zurich·DateApr 23, 2014

AGU: Odds of storm waters overflowing Manhattan seawall up 20-fold, new study shows

A new study shows that the odds of storm waters overflowing the Manhattan seawall have increased 20-fold due to a rise in storm tides and sea-level rise. The maximum height of 'once-in-10-years' storms has grown by almost a foot since the mid-19th century, making New York City more prone to frequent and extensive flooding.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateApr 23, 2014

Hearing quality restored with bionic ear technology used for gene therapy

Researchers at UNSW Australia have successfully regrown auditory nerves using bionic ear technology and gene therapy, potentially improving outcomes for people with cochlear implants. The technique delivers neurotrophins to cells near the implant electrodes, promoting nerve regeneration.

SourceUniversity of New South Wales·JournalScience Translational Medicine·DateApr 23, 2014

Autologous stem cell therapy improves motor function in chronic stroke victims

A study published in Cell Transplantation found that injecting autologous peripheral blood stem cells into the brain of stroke patients improved their motor function. The treatment was safe and feasible in patients who suffered a prior stroke, with significant improvements in clinical outcomes measures.

SourceCell Transplantation Center of Excellence for Aging and Brain Repair·JournalCell Transplantation·DateApr 23, 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.

Male or female?

Researchers have identified two independent sex-determining genes, SRY and AMHY, that emerged around 180 million years ago in the common ancestor of mammals. These genes are responsible for testicular development and determine an individual's sex.

SourceSwiss Institute of Bioinformatics·JournalNature·DateApr 23, 2014

EMBO Gold Medal 2014 awarded to Sophie Martin

Sophie Martin received the 2014 EMBO Gold Medal for her groundbreaking research on cellular polarity, which has renewed interest in mechanisms of cell size regulation. Her work revealed a potential mechanism by which microtubules direct actin cytoskeleton-driven cell growth.

SourceEMBO·DateApr 23, 2014

Liquid spacetime

Researchers Stefano Liberati and Luca Maccione suggest spacetime is a fluid with extremely low viscosity, contradicting Einstein's special relativity. This emergent model predicts novel effects on photon propagation, which could be observable with future astrophysical studies.

SourceInternational School of Advanced Studies (SISSA)·JournalPhysical Review Letters·DateApr 23, 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.

Norovirus in food outlets to be mapped for the first time

Researchers are mapping norovirus occurrences in pubs, restaurants, and hotels across the North West and South East of England. The study aims to reduce infections by collecting swabs from work surfaces and investigating virus strains in high-risk foods like oysters and berries.

SourceUniversity of Liverpool·DateApr 23, 2014

Death rates from pancreatic cancer predicted to rise in Europe in 2014

Death rates from pancreatic cancer are expected to rise in Europe in 2014, with 41,300 men and 41,000 women predicted to die from the disease. This represents a small but steady increase since 2000, with only five percent of patients surviving for five years after diagnosis.

SourceEuropean Society for Medical Oncology·JournalAnnals of Oncology·DateApr 23, 2014

Community-based weight loss program aids diabetes management

A community-based structured weight loss program significantly improved blood sugar control and reduced medication use in overweight adults with type 2 diabetes. Participants who received personalized counseling and portion-controlled foods lost more weight and showed better diabetes management compared to a control group.

SourceUniversity of California - San Diego·JournalDiabetes Care·DateApr 23, 2014

How to avoid water wars between 'fracking' industry and residents

The shale gas industry's high water usage competes with residential and agricultural needs in arid regions, depleting groundwater resources. Researchers suggest using brackish water and recycling wastewater to minimize the industry's water footprint.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateApr 23, 2014

'Off-the-shelf' equipment used to digitize insects in 3-D

A cost-effective system uses off-the-shelf equipment to produce 3D models of medium-to-large insects, enhancing biodiversity discovery and species identification. The compact models have excellent optical resolution and can be shared via documents and web pages.

SourcePLOS·JournalPLOS ONE·DateApr 23, 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.

Conservation priorities released for several protected areas along US-Mexico border

The Commission for Environmental Cooperation has identified 29 priority conservation areas along the US-Mexico border, prioritizing habitat preservation and sustainable economic development. The Big Bend-Rio Bravo Conservation Assessment provides a collaborative approach to conservation, involving scientists, government experts, privat...

SourceCommission for Environmental Cooperation·DateApr 23, 2014

Researchers compare hip width and sexual behavior

A new study reveals that women with wider hips are more likely to have multiple sexual partners and engage in one-night stands. Hip width, rather than waist-to-hip ratio, is found to be a key predictor of a woman's sexual behavior.

SourceSpringer·JournalArchives of Sexual Behavior·DateApr 23, 2014

NIH scientist to receive Ross Prize in Molecular Medicine

John J. O'Shea has made groundbreaking discoveries related to cytokine signaling and primary immunodeficiencies, earning him the Ross Prize in Molecular Medicine. The award recognizes his innovative research that bridges basic science and clinical practice.

SourceNIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases·DateApr 23, 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.

The Lancet Diabetes & Endocrinology: Vitamin D supplements have little effect on risk of falls in older people

A new meta-analysis suggests that vitamin D supplements do not prevent falls by 15% or more, leaving uncertainty about their benefits for vulnerable older people. The analysis of 20 randomised controlled trials involving over 29,500 participants found no evidence to support the use of vitamin D supplements to reduce fall risk.

SourceThe Lancet·JournalThe Lancet Diabetes & Endocrinology·DateApr 23, 2014

It's a bubble, but not as we know it

The SensaBubble system generates scented bubbles with projected images that release a scent upon bursting, creating a chrono-sensory experience. Researchers believe this technology could be applied in areas like education, alerts, and engaging user experiences.

SourceUniversity of Bristol·DateApr 23, 2014

Impact of whooping cough vaccination revealed

A comprehensive genomic analysis of Bordetella pertussis bacteria reveals the impact of vaccination on its spread and diversification. The study shows that vaccination has dramatically reduced rates of infection and loss of life from whooping cough, but strategies used to date have not completely eradicated strains of the bacteria.

SourceWellcome Trust Sanger Institute·JournalmBio·DateApr 23, 2014
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.

Halving hydrogen

Researchers have successfully captured a view of a molecular catalyst that converts hydrogen into electricity, confirming previous hypotheses and providing insight into its structure. The study's findings offer potential improvements to hydrogen-powered fuel cells, which could be more expensive but also carbon-neutral.

SourceDOE/Pacific Northwest National Laboratory·JournalAngewandte Chemie International Edition·DateApr 23, 2014

ASTRO issues guideline on the role of postoperative radiation therapy for endometrial cancer

The American Society for Radiation Oncology (ASTRO) has issued a new guideline detailing the use of adjuvant radiation therapy in treating endometrial cancer. The guideline recommends postoperative external beam radiation for patients with early-stage disease, and vaginal cuff brachytherapy for those at high risk of vaginal recurrence.

SourceAmerican Society for Radiation Oncology·JournalPractical Radiation Oncology·DateApr 23, 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.

First-of-its-kind NASA space-weather project

A NASA pilot project measures geomagnetically induced currents (GICs) in real-time, providing unprecedented data gathering and insights into Earth's upper atmosphere. The goal is to better understand GICs and their impact on the US power grid.

SourceNASA/Goddard Space Flight Center·DateApr 23, 2014

How Australia got the hump with 1 million feral camels

A study by Sarah Crowley reveals the complex history of camels in Australia, from their role in infrastructure development to their current status as 'humped pests.' The estimated 1 million-strong population poses a significant environmental threat, causing damage to agriculture and water resources.

SourceUniversity of Exeter·JournalAnthrozoös·DateApr 23, 2014

Marijuana use may increase heart complications in young, middle-aged adults

A French study found that marijuana use can lead to cardiovascular-related complications, including heart attacks and peripheral artery diseases. Researchers analyzed 35 cases of marijuana-related complications and reported a significant increase in cardiovascular events among young and middle-aged adults.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateApr 23, 2014

NASA sees last vestiges of Tropical Depression Jack

Tropical Cyclone Jack had weakened to a tropical depression when NASA's TRMM satellite passed above on April 22, 2014. Rainfall rates reached over 130mm/hr near the center, while wind shear continued to impact the system, ultimately leading to its dissipation in the Southern Indian Ocean by April 23.

SourceNASA/Goddard Space Flight Center·DateApr 23, 2014

Your T-shirt's ringing: Telecommunications in the spaser age

Researchers at Monash University have modelled a carbon-based spaser that could enable the creation of ultra-thin mobile phones printed on clothing. The device offers advantages such as high temperatures resistance, eco-friendliness, and flexibility, paving the way for innovative applications in telecommunications.

SourceMonash University·JournalACS Nano·DateApr 23, 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.

ADHD drug may help preserve our self-control resources

Researchers found that methylphenidate, an ADHD medication, can prevent the depletion of self-control by blocking regulatory depletion in healthy volunteers. The study suggests that this medication may help boost performance of brain circuits compromised after sustained exertion of self-control.

SourceAssociation for Psychological Science·JournalPsychological Science·DateApr 23, 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.

WSU innovation improves drowsy driver detection

Researchers at WSU Spokane developed a new way to detect drivers about to nod off, using steering wheel movements. The technology offers an inexpensive alternative to video-based systems, providing a more reliable solution for detecting fatigue.

SourceWashington State University·JournalAccident Analysis & Prevention·DateApr 23, 2014

Gold nanoparticles help target, quantify breast cancer segments in a living cell

Researchers developed a technique to target and quantify breast cancer segments in a single cell using gold nanoparticles tagged with synthetic DNA. The method measures the unique signal produced when light interacts with the nanoparticles, allowing for accurate diagnosis and potential personalized treatment options.

SourcePurdue University·JournalNature Nanotechnology·DateApr 23, 2014

New target for prostate cancer resistant to anti-hormone therapies

Researchers at Michigan Medicine have found that BET bromodomain protein 4 binds to the hormone androgen receptor, making it a potential target for prostate cancer treatment. The study suggests that a drug targeting this protein could work even when prostate cancer becomes resistant to current therapies.

SourceMichigan Medicine - University of Michigan·JournalNature·DateApr 23, 2014

Higher education associated with better recovery from traumatic brain injury

Research suggests that cognitive reserve, the brain's ability to adapt and compensate for injury, plays a role in recovery from traumatic brain injury. Those with higher educational attainment are more likely to achieve full recovery, with nearly 40% of patients with 16 or more years of education fully recovering.

SourceJohns Hopkins Medicine·JournalNeurology·DateApr 23, 2014

Cyber buddy is better than 'no buddy'

A Michigan State University researcher found that software-generated partners can be effective motivators during exercise, outperforming 'no buddy' conditions. The study, published in the Games for Health Journal, suggests potential applications for fitness game developers and may improve exercise outcomes.

SourceMichigan State University·JournalGames for Health Journal·DateApr 23, 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.

Ravens understand the relations among others

Researchers found that ravens can deduce the rank relations of individuals in their own group as well as neighboring groups. They exhibited stress-related behaviors when encountering unexpected dominance reversals. This cognitive ability is similar to that of primates and suggests a complex social intelligence.

SourceUniversity of Vienna·JournalNature Communications·DateApr 23, 2014

Cell division speed influences gene architecture

Researchers have discovered that the timing and coordination of cell division are crucial for normal development, particularly in early embryonic stages. Fast-dividing cells require genes without introns to efficiently produce proteins.

SourceInstituto Gulbenkian de Ciencia·DateApr 23, 2014

Picture books aren't just fun

A new study from the University of Waterloo reveals that reading picture books with toddlers exposes them to sophisticated information about animals in a way that allows children to apply this knowledge broadly. Moms use generics and provide facts about animals when reading picture book stories.

SourceUniversity of Waterloo·JournalFrontiers in Psychology·DateApr 23, 2014

Princeton release: Not just the poor live hand-to-mouth

Researchers at Princeton University found that 30-40% of US households live hand-to-mouth, but many are not the poorest in terms of income or net worth. The 'wealthy hand-to-mouth' have middle-class incomes and little cash on hand, making them react to income swings like the poor.

SourcePrinceton University·DateApr 23, 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.

Superconducting qubit array points the way to quantum computers

A new 5-qubit array demonstrates improved reliability in quantum computing, a crucial step towards building a functional quantum computer. The team's findings are based on theoretical work by Austin Fowler and the surface code architecture, which provides a way to control qubits properly.

SourceUniversity of California - Santa Barbara·JournalNature·DateApr 23, 2014