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Science News Archive 2015


Page 118 of 402

Chronic diseases may increase risk of dementia

A study of 2176 cognitively normal participants found that those with multiple chronic conditions were 38% more likely to develop mild cognitive impairment or dementia. Preventing chronic diseases may help maintain mental health in aging adults.

Meta Quest 3 512GB

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

Experiment confirms fundamental symmetry in nature

The ALICE experiment confirms a fundamental symmetry between nuclei and antinuclei in terms of charge, parity and time. The measurements were made possible by the ALICE experiment's high-precision tracking and identification capabilities.

Genetic link between being tall and being slim, study shows

A study of nearly 10,000 people from 14 European countries found a strong correlation between genes that increase height and those that produce reduced body mass index. This discovery could help explain why people from northern Europe are often taller and slimmer than others.

As polar ice melts, seabed life is working against climate change

A recent study reveals that life on the seafloor in Antarctica is acting as an important carbon sink, absorbing nearly 2.9 ? 106 tons of carbon per year. This discovery suggests a new and unexpected way to combat climate change, with the potential to reduce greenhouse gas emissions by about 50,000 hectares of tropical rainforest.

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.

Obamacare saps enthusiasm for government health-care spending

A Johns Hopkins University study found that Obamacare led to a decline in support for government health-care spending among Democrats, Republicans, and independents. Before the law's passage, about two-thirds of independents and Republicans supported increased health spending, but this dropped significantly after its enactment.

Pushing the limits of lensless imaging

Scientists from Friedrich Schiller University Jena have created a custom-built ultrafast laser that can produce extremely high-resolution images of materials in real time. By using extreme ultraviolet light streaming at a 100,000 times per second, the researchers achieved an image resolution of 26 nanometers, surpassing previous limits.

Identifying the 'dimmer switch' of diabetes

A study by University of Alberta researchers discovered a new molecular pathway that manages insulin production, offering hope for restoring the 'dimmer switch' in Type 2 diabetes. The findings suggest that this pathway can be revived to control insulin secretion from islet cells.

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.

GPM sees powerful storms within Tropical Storm Ida

The GPM mission satellite detected extremely high-altitude thunderstorms and heavy rainfall within Tropical Storm Ida. The storm's powerful convective storms reached altitudes above 17 km, indicating potential intensification.

'SafePay': First anti-fraud system to use existing credit card readers

Researchers at Lehigh University have developed an inexpensive and secure method to prevent mass credit card fraud using existing magnetic card readers. The SafePay system transforms disposable credit card information into electrical current and simulates a physical magnetic card, making it backward compatible with existing readers.

Emissions from melting permafrost could cost $43 trillion

The study predicts that increased greenhouse gas emissions from thawing permafrost will result in significant economic losses. Researchers estimate that the total predicted impact of climate change by 2200 could be as high as $369 trillion, with $43 trillion in additional damage expected by end of century.

Apple iPhone 17 Pro

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

Insects passed 'the Turing Test'

Russian scientists confirm Turing reaction-diffusion model's predictions in insect corneas, revealing four main morphological patterns and their universal presence among arthropods. The findings demonstrate a promising future for designing artificial antireflective nanosurfaces.

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.

Selectively logged Amazon forests play important role in climate

Researchers found that sustainably logged tropical Amazonian forests can recover their carbon stocks within a cutting cycle of 20 to 30 years. The study suggests that the time to recover initial carbon stocks depends almost exclusively on logging intensity, providing useful insights for forest managers and policy makers.

Alzheimer's drug could prevent bone fractures

Researchers found that the Alzheimer's drug donepezil increases bone mass in mice by preventing osteoclasts from being made, reducing the risk of bone fractures. The study suggests that treating Alzheimer's disease with donepezil may also be beneficial for patients with osteoporosis.

Astronomers identify a new mid-size black hole

A team of astronomers at the University of Maryland and NASA's Goddard Space Flight Center has found evidence for a new intermediate-mass black hole about 5,000 times the mass of the sun. The discovery adds to the list of potential medium-sized black holes and strengthens the case for their existence.

Pioneer ACO program sees modest reduction in low-value services

The Medicare Pioneer ACO program saw a modest reduction of 0.8 low-value services per 100 beneficiaries, with a 1.9% decrease in service quantity and a 4.5% reduction in spending on these services. Organizations providing more low-value care saw greater reductions.

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.

Acoustic imaging with outline detection

Researchers at ETH Zurich developed a new type of acoustic imaging device that extracts contour information during measurement, creating detailed outline images of objects. The method uses evanescent waves and is useful for quickly recording relevant information about objects.

How mercury contamination affects reptiles in the Amazon basin

Researchers found high mercury levels in Amazonian reptiles, with liver concentrations above recommended limits for pregnant women and children. The study suggests using reptiles as indicators of environmental mercury concentrations, shedding light on the region's mercury cycling.

Secret unlocked to rice seed survival when underwater

A team of scientists identified the AG1 gene, which helps seeds survive under flooded conditions by efficiently moving energy reserves. This finding has implications for direct seeding, a method that allows seeds to be sown directly into fields without pre-germination.

Public health must be top priority if cannabis is legalized in Canada

If Canada legalizes cannabis, public health must be the top priority to prevent commercialization and potential harms. Experts argue that policy-makers should draw from research on tobacco, alcohol, and cannabis to create a regulatory framework that maximizes benefits and minimizes harm.

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.

Study: It's not cheating unless a species gets hurt

A review of dozens of ecological studies found little proof of cheating among cooperating species, challenging a commonly held belief. The study's authors provided a scientific definition of cheating that ecologists can use to determine whether one species is cheating its mutualist partner.

Exercise reduces suicide attempts by 23 percent among bullied teens

A new study finds that regular exercise significantly reduces both suicidal thoughts and attempts among students who are bullied. Being physically active four or more days per week resulted in a 23 percent reduction in suicidal ideation and attempts in bullied students. Exercise is also associated with significant reductions in sadness.

Eye-tracking glasses reveal the learning process

Researchers developed a method to measure cognitive load in medical assessments using eye-tracking glasses. Novices expend more mental effort than experts when answering medical questions, even when the answers are correct.

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.

Task force releases recommendations for smoking cessation

The American College of Physicians task force recommends counseling and pharmaceutical interventions to help adults and pregnant women quit smoking. Behavioral therapy or medications with FDA approval are recommended for nonpregnant adults, while pregnant women receive only behavioral interventions.

Proteins assemble and disassemble on command

Researchers at Duke University have deciphered the genetic code that instructs proteins to assemble or disassemble in response to environmental stimuli. This discovery provides a new platform for designer proteins and investigations into nanotechnology, biotechnology, and medical treatments.

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.

Printing lightweight, flexible, and functional materials

Researchers at Harvard's John A. Paulson School of Engineering and Applied Sciences have created a new multimaterial printhead that enables the simultaneous control of composition and geometry during printing, paving the way for entirely 3D-printed wearable devices, soft robots, and electronics.

Five ways individualized medicine is impacting health care

Individualized medicine is revolutionizing patient care through precision diagnostics, such as preventing drug-related adverse effects and identifying disease susceptibility. Whole exome sequencing is also offering new diagnoses for patients with undiagnosed diseases.

Unemployment takes its toll on young people's mental health

A study of over 2,000 British young people found that those not in education, employment or training (NEET) were more likely to experience mental health problems and substance abuse disorders. However, when interviewed, NEET youths reported higher levels of commitment to work and job searching behaviors compared to their non-NEET peers.

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.

DNA sequencing improved by slowing down

EPFL scientists have developed a method that improves the accuracy of DNA sequencing up to a thousand times by slowing down the process using nanopores and viscous liquids. This breakthrough paves the way for better and cheaper DNA sequencing, enabling scientists to detect mutations and identify different organisms with greater precision.

Atomic fractals in metallic glasses

Scientists have discovered a fractal pattern at the atomic level in metallic glasses, contradicting previous assumptions about empty space. This finding enables the study of material properties and has implications for fields like mathematics, physics, and computer science.

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.

How a frog's molecules 'leaped,' and 'crawled,' to evolve violet vision

The African clawed frog's evolution to violet vision involved rapid and controlled molecular changes, with five classes of opsin genes playing a crucial role. The study identified 12 mutations, including site 113, which shifted from glutamic acid to aspartic acid, leading to the frog's unique visual adaptation.

Study looks at whether daily limb compressions reduce dementia

Researchers investigate remote conditioning, a technique that uses blood pressure cuffs to restrict blood flow to limbs and activate natural protective mechanisms in the brain, potentially reducing dementia symptoms. The approach has shown promise in improving white matter health and may help prevent dementia.

Fluke 87V Industrial Digital Multimeter

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

Risk of stroke at time of carotid occlusion

A study published in JAMA Neurology found that patients with asymptomatic carotid stenosis are not significantly harmed by medical therapy and may even benefit from more intensive treatment. The study's findings suggest that preventing carotid occlusion may not be a valid indication for stenting or endarterectomy.

Study: Fukushima disaster was preventable

The study found that critical backup generators were built in low-lying areas at risk for tsunami damage despite warnings from scientists. The researchers identified arrogance, ignorance, design flaws, and regulatory failures as key factors leading to the disaster.

Study examines gun control policies and effect on youth gun carrying

A study found that more restrictive gun laws were associated with lower rates of youth gun carrying in the US. The analysis of state-level gun law scores and adult gun ownership levels revealed a 10-point increase in gun law score was linked to 9% lower odds of youth gun carrying.

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.

Reduced conflict-related brain activity may indicate risk for psychosis

A study published in Neuropsychopharmacology found lower conflict-related brain activity in adolescents at high risk for psychosis, indicating a potential predictor of psychotic disorders. The researchers used fMRI scans to measure cognitive flexibility and detected reduced activation in key brain regions.

Study: Social responsibility promotes conservative risk behavior

A new study from the University of Texas at Dallas found that social responsibility leads to more conservative risk behavior in group decision-making. This means individuals become more cautious when making decisions that affect others, as they consider the potential impact on their reputation.

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.