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Science News Archive 2013


Page 298 of 352

Scores that evaluate newborn intensive care units are inconsistent

A new study published in Pediatrics found that scoring methods for evaluating Newborn Intensive Care Units (NICU) are inconsistent, leading to unreliable comparisons. The research suggests that these scores may not level the playing field well enough and can be unfair to hospitals with high numbers of sick infants.

'Very low' risk of infections in advanced brain procedures

A study published in Neurosurgery found that patients undergoing cerebral angiography and neurointerventional procedures are at a very low risk of infection, even without preventive antibiotics. The authors suggest that the minimally invasive nature and short duration of these procedures may contribute to this low risk.

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.

First evidence that obesity gene is risk factor for melanoma

Researchers have discovered a connection between a genetic variant in the FTO gene and an increased risk of developing melanoma. The study, published in Nature Genetics, suggests that this gene plays a role in various diseases beyond obesity and BMI.

Study shows mirabegron effective and well tolerated for overactive bladder

A phase III trial shows mirabegron reduces incontinence episodes and daily urinations, improving urgency and nocturia in adults with overactive bladder. The study also confirms the drug's balanced efficacy and safety profile, making it a potential alternative for patients with inadequate antimuscarinic therapy.

Why your brain tires when exercising

A new study published in PNAS reveals that excessive serotonin release triggers central fatigue, a condition where the brain and nervous system become exhausted during exercise. The findings may help develop better drugs for conditions like spasticity and cerebral palsy, as well as improve understanding of antidepressant side effects.

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.

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.

Plants that can detox waste lands will put poisons to good use

Scientists utilize alyssum, pteridaceae, and sinapi mustard to absorb toxic metals from polluted soil through phytoremediation. The extracted poisons are then converted into valuable materials, such as catalytic converters and nanoparticles for cancer treatment.

Unhealthy drinking widespread around the world, CAMH study shows

A new CAMH study shows that alcohol is the third leading cause of disease and injury worldwide, with vast differences in drinking patterns across regions. The research found that North Americans and Canadians drink significantly more than the global average, with a detrimental drinking pattern characterized by bingeing.

Sometimes, the rubber meets the road when you don't want it to

The US Department of Homeland Security has developed two new technologies, Pit-BUL and NightHawk, which use remote-controlled spike strips to stop vehicles. These devices can be deployed from a safe distance and provide added safety for law enforcement officers, allowing them to halt speeding vehicles without putting their lives at ris...

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.

Don't be fooled: Flowers mislead traditional taxonomy

Researchers found that floral morphologies are less reliable than other traits in determining the relationships of papilionoid species and genera. Other morphological characteristics may indicate relationships more reliably, according to the study published in the American Journal of Botany.

Apple iPhone 17 Pro

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

NASA Goddard lab works at extreme edge of cosmic ice

At NASA's Goddard Space Flight Center, researchers create ultrathin layers of amorphous ice to replicate extreme chemistry found in space. They find that water helps amino acids last longer when exposed to cosmic radiation, producing new chemical byproducts.

'Shelf life' of blood? Shorter than we think

Researchers found that red blood cells in blood stored longer than three weeks gradually lose their flexibility to deliver oxygen-rich cells. The study's findings suggest that the current practice of transfusing blood stored up to six weeks may need reconsideration.

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.

AIDS journal publishes findings of 2 important studies in Mar. 2013 issue

Two important studies published in the March issue of AIDS found that current CDC HIV screening guidelines may be too conservative, especially for low-risk groups, and that heavy drinking leads to increased HIV risk for men who have sex with men. The studies suggest that frequent testing and addressing risky behaviors can help prevent ...

Man-made material pushes the bounds of superconductivity

Researchers have engineered a unique multilayer material that achieves extraordinary superconducting properties, including increased current-carrying capabilities and improved magnetic field stability. The breakthrough could lead to real-world applications in electronic devices, transportation, and power transmission.

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.

Getting around the Uncertainty Principle

Physicists at University of Rochester and University of Ottawa have made direct measurements of light's polarization states for the first time. This breakthrough overcomes key challenges to Heisenberg's Uncertainty Principle, enabling faster quantum information processing.

Study maps human metabolism in health and disease

A team of international researchers has created an instruction manual for the human genome, providing a framework to understand the relationship between genetic makeup and lifestyle. The model explains how individual biological parts operate differently within each person, paving the way for tailored treatments in personalized medicine.

Cancer vaccines self-sabotage, channel immune attack to injection site

UT MD Anderson scientists found that a common substance in cancer vaccines facilitates a buildup of T cells at the vaccination site, summoning more T cells and causing lesions. Switching to saline adjuvant reversed the effect, allowing T cells to target tumors. A new clinical trial is expected to test this concept.

Genetic risk factors for common eye disorder come into focus

Researchers have identified seven new genetic regions associated with AMD, explaining up to 65% of the genetics of the disease. The study combined existing data from over 17,000 patients and 60,000 people without AMD, revealing genes involved in immune system signaling, lipid metabolism, and blood vessel development.

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.

Gene discovery reveals importance of eating your greens

The study found that green leafy vegetables interact with a cell surface receptor to switch on the T-bet gene, producing innate lymphoid cells crucial for immune surveillance and gut health. These immune cells may aid in treating bacterial infections, promoting good bacteria, and preventing bowel cancers.

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.

Adding to the list of disease-causing proteins in brain disorders

Researchers have found new candidate disease proteins for neurodegenerative disorders, including two RNA-binding proteins with prion-like segments associated with inherited forms of ALS and multisystem proteinopathy. Mutations in these proteins accelerate the formation of self-organizing fibrils that contribute to disease.

International consortium builds 'Google Map' of human metabolism

A new virtual reconstruction of human metabolism, Recon 2, has been built to identify causes of diseases and develop new treatments. The model provides a detailed map of metabolic pathways, allowing researchers to pinpoint specific gene expressions and their effects on disease progression.

7 genetic risk factors found to be associated with common eye disorder

Researchers have discovered seven new genetic loci associated with increased risk of age-related macular degeneration (AMD), a condition that affects central vision and can lead to blindness. The study, supported by the National Eye Institute, represents the most comprehensive genome-wide analysis of AMD genetics.

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.

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.

The patient satisfaction chasm

Researchers found that hospital management fails to engage frontline clinicians in improving patient satisfaction, despite most believing it's achievable. Clinicians reported receiving feedback only 34% of the time, highlighting the need for more structured plans and active role from hospital management.

Turn trash into cash... and save energy

Researchers at Michigan Technological University have developed a process to recycle old milk jugs into plastic filament for 3D printing, reducing energy consumption and costs. The open-source RecycleBot process uses free software and low-cost materials to produce usable plastic filament.

Pregnancy permanently changes foot size

A new study by the University of Iowa confirms that pregnancy leads to permanent changes in a woman's feet, including increased length and width. The arch of the foot flattens out, potentially contributing to an increased risk of arthritis in women.

How do bacteria clog medical devices? Very quickly

Researchers at Princeton University found that bacteria can clog medical devices like stents in a short period of time by forming sticky biofilms. The study used controlled environments with rough surfaces and pressure-driven fluid, demonstrating the need for real-world conditions to understand device failures.

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.

Short algorithm, long-range consequences

MIT researchers have developed an algorithm that solves graph Laplacians in nearly linear time, using a spanning tree to simplify the calculation. This approach has significant implications for various applications, including scheduling, image processing, and online product recommendation.

Mother Teresa: Anything but a saint…

Mother Teresa's image was constructed through a media relations campaign, with facts such as her dubious care for the sick, questionable political contacts, and suspicious management of funds uncovered. Despite these issues, she built an image of holiness through mass media promotion, including a eulogistic film and numerous awards.

A coordinated response to cardiac stress

Researchers at Yale University identified a molecular mechanism by which the growth of new blood vessels and heart muscle are coordinated. Nitric oxide triggers the destruction of RGS4, allowing for physiological changes associated with the relaxation of blood vessels, while promoting cardiac growth.

Celestron NexStar 8SE Computerized Telescope

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

Towards more sustainable construction

A team of graduate students from Concordia University developed a watchdog tool to evaluate the level of compliance between urban planning goals and environmental impact assessments of development projects. The study found that the proposal adopted in 2009 for the Turcot highway interchange was inadequate for long-term sustainability.

Big data: Searching in large amounts of data quickly and efficiently

A team of researchers at Saarland University developed the Hadoop Aggressive Indexing Library (HAIL), a technique that enables fast and efficient searching in large datasets. By generating indexes for multiple criteria, HAIL can query big datasets up to 100 times faster than traditional methods.

JCI early table of contents for Mar. 1, 2013

Scientists identified nitric oxide's role in degrading a protein that attenuates cardiac growth, linking vascular changes to heart size. A nanogel-based treatment targeting an immunosuppressive drug directly to tissues associated with immune cells may help treat systemic lupus erythematosus.