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Science News Archive 2014


Page 112 of 376

Skin cancer risks higher for soldiers serving abroad

A retrospective study found that 62% of veterans reported getting sunburned while deployed, and 29% noticed changes in their moles, highlighting a potential deficiency in sun protection among military personnel. The study suggests room for improvement in skin cancer prevention and early detection in the military population.

What's more effective: Generic or brand-name statins?

Researchers found that patients taking generic statins were more likely to adhere to their medication and had a significantly lower rate of cardiovascular events and death. Generic statins were also associated with improved clinical outcomes due to lower out-of-pocket costs.

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.

Cardiorespiratory fitness can delay male, age-associated blood pressure hikes

A study published by the American College of Cardiology found that higher cardiorespiratory fitness levels can delay the natural increase of systolic and diastolic blood pressure with age. Men with high fitness levels experience a later onset of prehypertension, with systolic blood pressure increasing around age 54 and diastolic blood ...

Collaboration drives achievement in protein structure research

Researchers at Montana State University provided the first blueprint of a bacterium's molecular machinery, showing how bacterial immune systems fight off viruses. By understanding CRISPR mechanisms, scientists can potentially develop therapies for plant, animal, and human diseases.

Project to turn world on to DC power

A team of University of Pittsburgh professors is working on a project to transition the US power grid to direct current (DC) using a $800,000 grant from the Henry L. Hillman Foundation. DC technology has the potential to improve energy efficiency and promote renewable energy, especially in low-income areas. The researchers aim to devel...

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.

Results of US CoreValve High Risk Trial reported at TCT 2014

The US CoreValve High Risk Trial found that transcatheter aortic valve replacement (TAVR) provided lower 12-month mortality compared to surgical aortic valve replacement (SAVR) in high-risk patients. TAVR also showed significant improvements in quality of life, with estimated gains of 0.24 life years and 0.20 quality-adjusted life years.

Study sheds new light on why batteries go bad

A comprehensive look at lithium ion battery electrodes reveals that rapid-charging and high-power discharging may not damage the electrode as much as previously thought. The research suggests modifying electrodes or changing charging processes could promote uniform charging and discharging, extending battery life.

Rules of thumb for climate change turned upside down

A new study reveals climate change's complex effects on land and water, contradicting the 'DDWW' principle. While some regions become drier or wetter, others experience no trends, highlighting the need for a more nuanced understanding of climate change.

Two-year results of the CoreValve US Pivotal trial reported at TCT 2014

The CoreValve US Pivotal trial showed improved survival benefit in patients with aortic stenosis, with low rates of all-cause mortality and major stroke after two years. The study demonstrated durable improvement in hemodynamic valve performance and low rates of moderate or severe aortic insufficiency.

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.

Results of PARTNER I trial reported at TCT 2014

The PARTNER I trial found that TAVR demonstrated persistent mortality benefits and improved functional status after five years compared to standard therapy. This is the first long-term analysis of the randomized PARTNER I trial, which initially showed TAVR as an accepted therapy for inoperable patients with severe aortic stenosis.

Marie Claude Morice presented with Master Clinical Operator Award at TCT

Marie Claude Morice, a world-renowned interventional cardiologist, has been recognized with the Master Clinical Operator Award at TCT for her technical expertise and innovative contributions to the field of interventional cardiology. Her extensive research and clinical experience have led to significant advancements in the treatment of...

Celestron NexStar 8SE Computerized Telescope

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

Asian monsoon much older than previously thought

Research reveals Asian monsoon's origins date back 40 million years to high CO2 levels and warmer temperatures. The climate pattern was stronger then than now and weakened with decreasing CO2 levels during an ice age.

Measuring modified protein structures

Researchers have developed a new method to measure structurally modified proteins in complex biological samples, enabling the analysis of thousands of proteins. The method uses a combination of digestion enzymes and Selected Reaction Monitoring to quantify protein quantities and determine structural changes.

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.

Results of CLEAN-TAVI trial reported at TCT 2014

The CLEAN-TAVI trial found that using a cerebral protection device during TAVR significantly reduced the number and volume of cerebral lesions in high-risk patients with severe aortic stenosis. The study showed improved outcomes at two and seven days post-procedure.

New insights in survival strategies of bacteria

Researchers at VIB/VUB have created a detailed three-dimensional image of the pores through which curli building blocks cross the bacterial cell wall, shedding light on biofilm formation. This breakthrough could lead to the development of small molecules that inhibit unwanted biofilm growth and pave the way for new applications in fiel...

How an ancient vertebrate uses familiar tools to build a strange-looking head

A study by the Stowers Institute for Medical Research reveals that the sea lamprey, a jawless vertebrate, exhibits a pattern of gene expression reminiscent of its jawed cousins, indicating that the genetic program used by jawed vertebrates was up and running ages before they possessed recognizable faces. This finding suggests that regu...

Apple iPhone 17 Pro

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

Nature: New drug blocks gene driving cancer growth

Researchers developed a novel approach to target the activation of Ral proteins, which drive tumor growth in several human cancers. A compound called BQU57 proved most successful in slowing cancer cell growth and activation.

Results of ISAR-CLOSURE trial reported at TCT 2014

The ISAR-CLOSURE trial reported that vascular closure devices (VCD) are non-inferior to manual compression in patients undergoing transfemoral coronary angiography. VCDs were found to reduce time-to-hemostasis, but had a higher rate of repeat manual compressions.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Breast screening for over 70s doesn't prompt sharp fall in advanced disease

The study found a sharp increase in early-stage breast cancer cases among 70-75 year olds after national screening was introduced, suggesting overdiagnosis. The researchers argue that personalized screening decisions based on remaining life expectancy and individual risk factors are necessary to avoid unnecessary overtreatment.

Muscular dystrophy: Repair the muscles, not the genetic defect

Researchers discovered that mice missing TRPML1 calcium channel developed similar muscle defects as those present in muscular dystrophy patients. Increasing the activity of this channel improved muscle membrane repair and restored function. The goal is to develop a drug that can activate TRPML1 for potential treatment in humans.

Everyday discrimination impacts mental health

Researchers found that African Americans and Caribbean blacks who experience discrimination are at higher risk for anxiety, depression, and substance abuse. The type and frequency of discrimination matter, with hostile and character-based discrimination placing adults at considerable risk for mental health problems.

Meta Quest 3 512GB

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

Three's a charm: NIST detectors reveal entangled photon triplets

Researchers at NIST and the University of Waterloo directly entangled three photons, a breakthrough in quantum information systems. The use of superfast single-photon detectors enabled stable and high-quality results, paving the way for applications in quantum computing and quantum communications.

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.

Decoding 'sweet codes' that determine protein fates

Researchers developed a methodology for describing dynamic sugar chain behaviors at atomic resolution, enabling the characterization of minor but biologically relevant conformational species. This breakthrough opens doors to observing flexible biomolecules as potential drug targets.

You don't walk alone

A new electroencephalography (EEG) tool has been developed to detect refractory idiopathic epilepsy in children, a condition that cannot be managed by antiepileptic drugs. The tool uses EEG classification analysis and identifies significant EEG features that distinguish refractory epilepsy from well-controlled forms.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Getting hot and wet in Vermont

A new study by University of Vermont scientists predicts increased precipitation and temperature in the Lake Champlain region, leading to more extreme weather events and potential flooding. The forecast suggests a rise in average temperatures by mid-century, with some ski resorts experiencing a 50% decline in annual snowfall.

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.

Tropical Storm Odile taken on by 2 NASA satellites

The TRMM satellite detected powerful thunderstorms near Odile's center, dropping rain at a rate of over 196 mm/h. The combined data from TRMM and Aqua satellites showed the coldest cloud tops in storms circling Odile's center, with temperatures as low as -63F/-53C.

Sleep disorders widely undiagnosed in individuals with multiple sclerosis

A large-scale study found that more than 70% of individuals with multiple sclerosis screened positive for one or more sleep disorders, highlighting the importance of diagnosing and managing these conditions. The study's findings suggest that sleep problems may be a hidden epidemic in the MS population, separate from MS fatigue.

Selway complex and Johnson Bar fires in Idaho

The Selway complex of fires has grown to 1,659 fires, mostly contained. The Johnson Bar fire, sparked by a lightning strike, has affected 8,867 acres and is currently 55% contained. Warmer weather may increase fire activity.

How evolutionary principles could help save our world

A group of researchers recommend applying evolutionary biology to combat modern threats, proposing gene therapies, drought-resistant crop varieties, and conservation strategies to protect land with high genetic diversity. This approach can help develop more robust solutions to societal problems and promote sustainable development.

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.

Experts call for massive global response to tackle Ebola

The current Ebola outbreak in West Africa requires a rapid global response to contain the virus, which has already killed nearly 2000 people and may infect up to 20,000. Experts warn that fear, mistrust, and lack of resources are exacerbating the situation.

High-dose opioid prescribing continues to climb

Rates of high-dose opioid dispensing increased across provinces, with Ontario having the highest rates and Quebec the lowest. Provincial differences may be attributed to varying coverage, training, and marketing strategies.

Extension of standard model by knot algebra

The article proposes a connection between SLq(2) and the standard model, where preons are creation operators for fundamental particles. This extension describes a finer level of structure than the standard model, with open problems including gravitational binding and renormalization.

Fluke 87V Industrial Digital Multimeter

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

USC researchers discover the healing power of 'rib-tickling'

Researchers found that removing only the rib cartilage, but leaving its surrounding perichondrium intact, allowed for rapid repair within one to two months. This discovery suggests the presence of progenitor or stem cells in the perichondrium, which could lead to new regenerative therapies.

Zebrafish model of a learning and memory disorder shows better treatment

A team from the University of Pennsylvania School of Medicine found that some behavioral defects in NF1 fish are not related to abnormal Ras, but can be corrected by drugs targeting another signaling pathway controlled by cAMP. Learning and memory defects can be treated with drugs modulating the Ras pathway.

Moving silicon atoms in graphene with atomic precision

Researchers at the University of Vienna successfully manipulated individual silicon atoms in graphene, revealing a previously unknown phenomenon where the silicon-carbon bond is inverted. This discovery opens promising possibilities for atomic-scale engineering and could lead to the creation of unique quantum structures.

New glaucoma culprit is found

Researchers found that endothelial cells in eyes with glaucoma are stiffer than healthy cells, leading to increased flow resistance and elevated pressure. This mechanical dysfunction may lead to a cure for the debilitating disease.

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.

NASA-NOAA Suomi NPP sees formation of Tropical Storm Edouard

The Suomi NPP satellite captured high-resolution infrared images of Tropical Storm Edouard, revealing very high thunderstorms and cold cloud top temperatures. The storm is moving west-northwest at 16 mph, with forecasters predicting it may become a hurricane by September 15.