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Science News Archive 2019


Page 126 of 486

Cellular aging is linked to structural changes in the brain

Researchers found that telomere length changes are associated with structural changes in the brain, including thickening or thinning of the cerebral cortex. This study suggests that short-term changes in telomere length may reflect general fluctuations in health and aging status, but long-term effects remain unclear.

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.

Thermal siphon effect: heat flows from low temperature to high temperature

A team of scientists found that heat energy can transfer from a node with lower temperature to another node with higher temperature in certain complex network structures. This phenomenon becomes more evident when the network assortativity decreases. The study may shed new light on the search for good thermoelectric materials.

African American children respond differently to asthma medications

Researchers found that African American children respond better to increasing inhaled corticosteroids or adding long-acting beta agonists compared to step-up therapies. The study highlights the need for tailored treatment approaches for subgroups of asthma patients, particularly those with African ancestry.

Apple iPhone 17 Pro

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

Turning heat into electricity: A new thermoelectric material developed at FEFU

A new thermoelectric material has been developed using strontium titanate and titanium oxide, allowing for the transformation of exhaust heat into electrical energy. The material's biphase structure and nanosized grains increase its thermoelectric efficacy, enabling devices to operate at high temperatures without overheating.

A laser, a crystal and molecular structures

Researchers developed a new technique called complementary vibrational spectroscopy to study molecular structures. This method combines infrared absorption and Raman scattering spectrometers to provide detailed information about molecular vibrations.

Immunologists identify T cell homing beacons for lungs

Researchers at Emory University School of Medicine identified CXCR6 and CXCL16 as critical molecules for T cells to travel to and populate the lungs. This discovery could lead to designing adjuvants that recruit CD8 T cells into the airways, potentially reducing symptoms or preventing infection.

Harmful metals found in vapors from tank-style electronic cigarettes

A study by University of California, Riverside researchers found high concentrations of metals such as lead, nickel, and chromium in e-cigarette aerosols. The team analyzed six popular e-cigarette tanks and their atomizers, revealing that the model with fewest metal parts had the fewest metals in its aerosol.

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.

Study helps surgeons determine optimal approach for broken hips

A new study found that partial replacement, or hemiarthroplasty, is a viable alternative to total hip arthroplasty for treating displaced femoral neck fractures in patients over age 50. The study reported similar rates of outcome measures between the two techniques, with no significant difference in the incidence of secondary procedures.

Are humans preventing flies from eavesdropping?

Researchers found that background noise inhibits parasitoid flies' ability to locate cricket calls, suggesting a potential fitness cost for males trying to find mates. This altered soundscapes may influence the evolution of host-parasitoid relationships.

CCNY physicists score double hit in LED research

Researchers at City College of New York have successfully demonstrated a light-emitting diode (LED) operating at room temperature, utilizing half-light half-matter quasiparticles in atomically thin semiconductors. This breakthrough has significant implications for LiFi technology, which offers faster data transmission speeds than Wi-Fi.

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.

Study examines alcohol consumption, risk of dementia in older adults

An observational study of 3,021 adults aged 72 and older found that alcohol consumption was not significantly associated with an increased risk of dementia in those without mild cognitive impairment. However, among those with MCI, drinking more than 14 drinks per week was linked to the highest risk of dementia

Oldest galaxy protocluster forms 'queen's court'

Astronomers have discovered the oldest known galaxy protocluster, z66OD, with 12 galaxies existing 13.0 billion years ago. One of these galaxies is Himiko, a giant object found previously by the Subaru Telescope, which was unexpectedly located on the edge of the protocluster.

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.

Landscape patterns matter

A new research special issue analyzes landscape patterns to understand their effects on resource sustainability, ecosystem health, habitat connectivity, and other societal values. The study highlights the importance of measuring and monitoring these patterns to ensure sustainable landscapes.

Better methods needed for predicting risk of liver disease

A large registry-based study found that current scoring systems have moderate reliability in predicting severe liver disease risk. The study identified individuals with normal scores as being at a very low risk of developing severe liver disease, highlighting the need for new methods to detect those at higher risk.

Study examines impact of climate change on Louisiana's Houma tribe

Repeated disasters and environmental changes are rapidly eroding the land in Southeastern Louisiana, affecting the tribe's ability to sustain its culture, health, and livelihoods. Tribe members express a deep sense of grief about the lost land and lack of agency in decisions impacting them.

Celestron NexStar 8SE Computerized Telescope

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

$3M grant to create cybersecurity modeled after human body

Researchers are developing a form of cybersecurity inspired by human biological systems, detecting and addressing threats in their earliest stages. The team is also offering training and research opportunities to students from underrepresented backgrounds.

Geometry goes viral: Researchers use maths to solve virus puzzle

Researchers have developed a new mathematical framework that accurately predicts the positions of proteins in the containers of all icosahedral viruses for the first time. The discovery solves a scientific mystery that has endured for half a century and paves the way for new insights into how viruses form, evolve, and infect their hosts.

Teens sleep 43 more minutes per night after combo of 2 treatments, study finds

A study from Stanford University School of Medicine has found that a combination of light therapy and cognitive behavioral therapy can increase teen sleep duration by 43 minutes per night. The treatment consists of brief flashes of bright light to reset the body clocks, followed by motivation techniques to encourage earlier bedtimes.

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.

Your energy-efficient washing machine could be harboring pathogens

A study has identified a washing machine as a reservoir of multidrug-resistant pathogens, specifically Klebsiella oxytoca. The bacteria were transmitted to newborns in a neonatal intensive care unit through contaminated clothing washed at low temperatures. Researchers highlight the need for higher temperatures or disinfectants to preve...

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.

US ATLAS phase I upgrade completed

The US ATLAS Phase I Upgrade enables the detection of rare processes and sheds light on dark matter, dark energy, and antimatter asymmetry. The upgrades improve the trigger/data acquisition system, liquid argon calorimeter, and forward muon detector, allowing for more efficient data collection and analysis.

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.

Using math to blend musical notes seamlessly

A new algorithm developed by MIT student Trevor Henderson seamlessly blends different audio signals in real-time, recreating the portamento effect. The algorithm uses optimal transport to map pitches from one signal to another, producing a smooth transition without volume fading.

Study finds age hinders cancer development

A recent study published in Aging Cell has discovered that human aging processes may actually hinder the development of cancer. In most human tissues, aging-related gene expression changes are contrary to those found in cancer, suggesting a protective effect on cell growth.

Colorado project wins International Atomic Energy Agency safety competition

Researchers from University of Colorado Cancer Center Department of Radiation Oncology won the IAEA safety competition by recognizing the importance of a positive attitude towards radiation safety and developing department-wide processes for communicating safety standards. The team used Safety Month as an opportunity to broadcast and t...

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.

Genetic markers linked to the start of symptoms of Parkinson's disease

Researchers identified genetic variants related to Parkinson's disease symptom onset, which could enable delimiting research on new therapeutic targets. The study, led by Cristina Malagelada, used biocomputing techniques and analyzed statistical interactions to identify genetic associations.

Converting CO2 to valuable resources with the help of nanoparticles

A German-Australian team of researchers has successfully converted carbon dioxide into ethanol and propanol using metallic nanoparticles, also known as nanozymes. This breakthrough is based on the principle of enzyme cascade reactions, where complex molecules are produced from comparatively simple raw materials.

Men with prostate cancer can be spared radiotherapy after surgery

A new trial found that men with prostate cancer who receive radiotherapy after surgery have no difference in disease recurrence compared to those who do not. The study suggests that observation should be the standard approach and radiotherapy only used if the cancer comes back.

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.

NASA-NOAA satellite sees Tropical Depression 19W organizing

Tropical Depression 19W is organizing and strengthening toward tropical storm status. The storm has developed strong thunderstorms around its center with winds near 29 mph/46 kph, and forecasters expect it to move west-northwest and then turn north.

Sleep varies by age, geographical location and gender

A worldwide study found that sleep patterns differ among 16-30 year olds, with varying durations and timings based on age, sex, and region. The study tracked nearly quarter of a million nights of sleep using wearable devices, revealing significant geographical and gender-based variations in sleep habits.

Fluke 87V Industrial Digital Multimeter

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

A comprehensive atlas of genetic regulation of lipid metabolism published

Researchers at the University of Helsinki have identified 35 genetic loci associated with plasma lipid species levels, revealing a significant heritable component in cardiovascular disease risk. The study also highlights the potential of lipidomics to improve cardiovascular risk prediction and treatment.

Cause of antibiotic resistance identified

Researchers at Newcastle University have confirmed that bacteria can lose their cell wall to avoid detection by antibiotics, leading to recurring urinary tract infections. The study found that L-form switching allows bacteria to survive and re-form their cell wall, making it harder for the immune system to target them.

U of M research discovers link between stress and circadian clock health

Researchers at the University of Minnesota Medical School found that a little stress can actually improve the functioning of our internal biological clock. Stress leads to rhythmic phosphorylation of eIF2α, promoting production of ATF4 protein, which activates Per2 gene, ultimately making the clock tick faster.

Virtual human hand simulation holds promise for prosthetics

Researchers created the world's most realistic model of the human hand's musculoskeletal system using MRI and visual effects techniques. This breakthrough has implications for computer graphics, prosthetics, medical education, robotics, and virtual reality.

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.

AI identifies genes linked to heart failure

Researchers at Queen Mary University of London used AI to analyze 17,000 healthy UK Biobank volunteers' heart MRI images, finding genetic factors account for 22-39% variation in left ventricle size and function. The study identified 14 genome regions associated with heart structure and function.

New washing machine filter breaks down plastic microfibres

A new filter developed at the University of Exeter can degrade and dissolve plastic microfibres released during washing, which account for over a third of ocean microplastics. The smart filter catches microfibres and uses enzymes to break them down into safe compounds.