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Science News Archive 2017


Page 77 of 461

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.

Population, wellbeing, and climate change mitigation

A study links population growth to increased social cost of carbon dioxide and potential savings in climate mitigation costs by reducing emissions. The model suggests that minimal population growth can lead to substantial annual savings.

UTHealth researchers' intriguing study

UTHealth researchers identified a key factor in mid-life cell aging that can predict Alzheimer's disease decades before symptoms appear. The study found that mice lacking IL33 gene experienced dementia at age 68, highlighting the potential of this protein as a biomarker for early detection.

Good vibrations: Smart access to homes and cars using fingers

VibWrite integrates passcode, behavioral, and physiological characteristics to verify users, offering a low-cost security solution that resists attacks and can be deployed on any solid surface. The system has verified legitimate users with over 95% accuracy in trials and shows promise for commercialization in the near future.

Work-family balance can tip wrong way for some young doctors

A study published in JAMA Internal Medicine found that female medical interns are more likely to suffer from symptoms of depression than their male counterparts, with a significant portion due to work-family responsibilities. The research suggests that the conflict between long work hours and household duties can predispose individuals...

Apple iPhone 17 Pro

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

Sulfur respiration in mammals

Researchers identified a sulfur metabolite with antioxidant activity that supports mitochondrial energy metabolism, a crucial process for cellular function. This finding highlights the potential of enzymes involved in sulfur respiration to treat diseases such as diabetes and cardiovascular disease.

Liquids take a shine to terahertz radiation

Researchers at TIFR devise compact terahertz radiation source using laboratory liquids, achieving energies thousands of times larger than existing sources. The discovery opens doors to applications in terahertz imaging, material analysis, and explosives detection.

Face and color processing in humans

Researchers used neurostimulation to activate brain regions associated with face and color processing, inducing illusory faces and rainbows in a patient. The findings suggest functional and anatomical specificity of these brain regions.

Despite improvements, death rates from lupus remain disproportionately high

A nationwide population-based study found that death rates from lupus remain high compared to the general population, with significant disparities observed among older persons, females, blacks, and Hispanics. The study suggests that targeted research and public health programs may help address these disparities.

Moving neuroscience into the fast lane

A new high-throughput system enables rapid and standardized mouse behavior and physiology studies, reducing experimental animal usage and time requirements. The system aims to facilitate reproducibility and data sharing, addressing issues of varying training protocols and data comparison across labs.

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.

People who value virtue show wiser reasoning

A new study published in Psychological Science finds that individuals motivated to develop the best in themselves and others tend to reason wisely about their own personal problems. The research highlights two key components of wise reasoning: considering other people's perspectives and intellectual humility.

AUGS publishes best practice statement on pelvic organ prolapse

The American Urogynecologic Society (AUGS) has published a Best Practice Statement on pelvic organ prolapse, emphasizing the importance of proper evaluation and counseling for women. The statement outlines treatment options, including physical therapy, pessaries, and surgery, tailored to individual patient needs.

Food odor enhances male flies' attractiveness

Researchers at Max Planck Institute discover that female flies become more receptive to courting males when they smell their favorite food. The study found that vinegar odor boosts the perception of a male sex pheromone, increasing the likelihood of mating.

Willingness to take risks -- a personality trait

Researchers found a stable general factor of risk preference that affects decisions across different areas of life. This trait shares the psychometric structure of major psychological characteristics and can be measured using self-reports and frequency measures of actual risky activities.

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.

The relentless rise of migration in Europe over last 10,000 years

Researchers found that prehistoric migration rates increased in three distinct pulses, coinciding with the spread of agriculture, Bronze Age advancements, and Iron Age population growth. This suggests a strong link between technological innovation and human mobility.

New approach for treatment of contact allergy

Researchers at the University of Bonn have developed an RNA aptamer that specifically targets CCL17, blocking its interaction with T cells and dendritic cells. This approach shows promise for treating contact allergies by reducing inflammatory responses in mice.

Native trees, shrubs provide more food for birds

University of Delaware doctoral student Desiree Narango found that native trees are better at providing caterpillars for birds, which is a crucial food resource. In contrast, non-native plants offer little to no resources for breeding birds.

Meta Quest 3 512GB

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

Bonding benefits of breastfeeding extend years beyond infancy

A longitudinal study published by the American Psychological Association found that women who breastfed their children longer exhibited greater maternal sensitivity well past infancy and toddler years. The effect sizes were small, suggesting the bond may be strengthened through multiple interactions, not just breastfeeding.

Graphene enables high-speed electronics on flexible materials

Researchers at Chalmers University have developed a flexible terahertz detector using graphene transistors on plastic substrates. The device detects signals in the frequency range of 330 to 500 gigahertz, opening up various applications including imaging sensors and wireless communications.

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.

Funding of millions for TU Graz-lead projects from university owned funds

TU Graz is awarding €2 million to the 'Mechanics, Modeling and Simulation of Aortic Dissection' project and €1.5 million to the 'Porous Materials @ Work' project to advance research in biomechanics and materials sciences. The funding will support the development of simulation models and algorithms to diagnose and treat aortic dissections.

Pitt and UPMC researchers collaborate to save more organs for transplants

Researchers at the University of Pittsburgh have developed a novel stent to maintain blood flow to organs during transplant surgeries, potentially doubling successful organ donations. The stent, made of smart material, will direct selective blood flow to visceral arteries without disturbing the heart.

Cobalt and tungsten -- the key to cheaper, cleaner hydrogen

Researchers have designed a new catalyst made of cobalt and tungsten that reduces the cost of electrolytic hydrogen production by splitting water molecules at very low voltages. This process avoids the use of expensive and scarce precious metals like iridium.

Fluke 87V Industrial Digital Multimeter

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

3-D-printed device builds better nanofibers

A new 3D-printed device produces nanofiber meshes with reduced variation in diameters, making it suitable for various applications such as tissue engineering, water filtration, and body armor. The device's design flexibility and fast iteration capabilities make it a promising technology for commercialization.

Virtual reality reduces phantom pain in paraplegics

Researchers at EPFL used virtual reality to reduce phantom pain in paraplegics by creating an illusion of tactile stimulation on the legs. The study, published in Neurology, found that subjects who experienced this illusion reported decreased pain levels.

Smart artificial beta cells could lead to new diabetes treatment

Artificial beta cells mimic the body's natural glucose-controllers and can be subcutaneously inserted into patients or delivered via a painless skin patch. In lab experiments and animal models, they demonstrated rapid responsiveness to excess glucose levels and normalized blood glucose levels in diabetic mice.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Food should be marketed as a 'meal' rather than a 'snack' to avoid overeating

A recent study published in the journal Appetite found that marketing food as a 'meal' rather than a 'snack' can lead to reduced consumption and overeating. Researchers discovered that participants who consumed pasta labelled as a 'snack' ate more at a subsequent taste test compared to those who had eaten it as a 'meal'. This suggests ...

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.

Examining potatoes' past could improve spuds of the future

Researchers at Michigan State University have identified key genes that helped domesticated potatoes adapt over thousands of years. By studying the ancestors of modern North American cultivated potatoes, scientists uncovered common genes and important pathways that enabled spuds to thrive in diverse environments.

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.

Quantum dots visualize tiny vibrational resonances

Researchers have discovered a way to visualize tiny vibrational resonances using quantum dots, which could lead to the development of new sensing technologies. The technique uses light waves to drive the motion of a thin membrane, creating patterns that can be visualized through an array of quantum dots.

3-D 'scaffold' map to help the search for new cancer treatments

Researchers have produced a 3D map of SgK223, a molecular scaffold that plays a critical role in the development and spread of aggressive breast, colon, and pancreatic cancers. The map will enable targeting of specific regions critical for its function, potentially leading to novel strategies for cancer treatment.

NASA sees extra-tropical storm Saola moving by Japan

Extra-Tropical Storm Saola transitioned from a tropical storm and tracked southeast of Japan, moving north of Hokkaido on October 30. The storm was east of Japan's northern island of Hokkaido, with clouds stretching into the Sea of Okhotsk and northwest Pacific Ocean.

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.

Scientists penetrate mystery of raging black hole beams

A team of scientists has captured the time delay between X-ray flares and optical light flashes in a stellar-mass black hole, resolving controversy over jet plasma activation. This study uses precise multi-wavelength observations to demonstrate that relativistic jets are formed by gravity and magnetic fields.

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.

E-cigarette use by high school students linked to cigarette smoking

A large Canadian study links e-cigarette use among high school students to later cigarette smoking. The study found that youth who used e-cigarettes were more likely to start and continue smoking cigarettes. However, the association may be due to common factors rather than a causal effect.

Helping smokers quit: Payments, personalized support can work

A new study found that smokers who received financial incentives, in addition to personalized support, were nearly 10 times more likely to quit smoking after six months compared to those in the control group. The intervention also showed significant reductions in smoking rates among older participants, women, and non-white smokers.

Minor merger kicks supermassive black hole into high gear

A team of researchers used the Subaru Telescope to study Messier 77, revealing evidence of a hidden minor merger billions of years ago. The discovery provides crucial evidence for the minor merger origin of active galactic nuclei and sheds light on the mysterious phenomenon.

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.

How flu shot manufacturing forces influenza to mutate

A new study from Scripps Research Institute reveals that egg-based production causes the virus to target bird cells, disrupting the major antibody target site on the surface. This mutation renders the flu vaccine less effective in humans, with recent vaccines proving only 33% effective against H3N2 viruses.

Jupiter's X-ray auroras pulse independently

Research using ESA's XMM-Newton and NASA's Chandra X-ray observatories found that Jupiter's south pole X-ray emissions pulse every 11 minutes, while north pole emissions are erratic. This behavior is distinct from Earth's auroras, which mirror each other in activity.

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.

Neanderthal and modern human noses

Researchers analyzed nasal morphologies to infer Neanderthal soft tissue, finding that cold-adapted nasal configurations evolved independently in both species. Computational fluid dynamics simulations showed faster air warming and humidification rates in Neanderthals compared to modern humans.