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Science News Archive August 2021


Page 6 of 38

Aging-US: miRNAs generated from Meg3-Mirg locus are downregulated during aging

This study characterizes the aging-associated miRNA profile in murine cardiac fibroblasts, revealing a significant decrease in miRNAs generated by the Meg3-Mirg locus. The findings suggest that this repression is a common feature of aging across multiple organs, highlighting the robustness of miRNA modulation during this process.

Celestron NexStar 8SE Computerized Telescope

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

Fewer El Niño and La Niña events in a warmer world

A new study simulates global warming at unprecedented resolution, revealing that increasing CO2 concentrations will weaken the intensity of the ENSO temperature cycle. This could lead to fewer El Niño and La Niña events, with potential implications for rainfall extremes.

Apple iPhone 17 Pro

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

Milestone in osteoarthritis research

A large study of over 825,000 individuals has identified new genetic risk factors for osteoarthritis and pinpointed potential drug targets. The research also found specific genetic changes that underpin the risk for all forms of osteoarthritis.

Science-backed tips for maximizing play time with kids

Research highlights six core pillars of learning: active, engaged, meaningful, socially interactive, iterative, and joyful. Experts offer practical advice on transforming everyday spaces into playful learning environments that support children's growth.

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.

HIV prevention treatment shows gaps among key populations

A Kaiser Permanente study found strong adherence to HIV-prevention drug therapy soon after prescription, but inconsistent use among vulnerable groups. The study suggests that targeted strategies are needed to support the effective use of PrEP in high-risk populations.

Symptomatic COVID patients are more contagious

A new study by researchers at the University of Georgia found that symptomatic COVID-19 patients are more contagious than asymptomatic cases. The study identified a high-risk transmission window between two days before and three days after symptom onset, supporting interventions like contact tracing and masking.

New method visualizes blood flow in the brain down to 1 blood cell

Researchers have developed a dye-free method to visualize blood flow in the brain, allowing for detailed mapping of small capillaries and assessing blood flow rates. The technique has potential applications in understanding cardiovascular diseases, tumor growth, and targeted drug delivery.

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.

Drones delivered defibrillators to patients with suspected cardiac arrests

Researchers at Karolinska Institutet successfully deployed drones to deliver defibrillators to patients with suspected cardiac arrests, with the drones arriving on target ahead of ambulances in most cases. The pilot study showed a median response time benefit of 1 minute and 52 seconds, improving survival rates.

Bidding on a better future

Co-authors James Salzman, Andrew Plantinga, and Christopher Costello propose changing the 'use it or lose it' stipulation in public resource laws. This would allow non-extractive interests to compete with traditional extractive interests in bidding for licenses and permits, potentially increasing biodiversity and ecosystem services.

Taking the pain out of kidney stone analysis

A team of scientists has reported a technique that provides the most detailed picture of kidney stone components yet. The researchers used a novel method to analyze kidney stones, revealing the distribution of three different proteins and their role in crystal growth.

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.

Study confirms virus variants reduce protection against COVID-19

A new study by OHSU researchers found that blood serum from vaccinated or infected individuals shows significantly reduced defense against two widely circulating SARS-CoV-2 variants. The findings emphasize the importance of vaccinations combined with maintaining public health measures to cut off the spread of the virus.

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.

How migraines protect against diabetes

Researchers found that certain peptides associated with migraine pain can regulate insulin production in mice, potentially preventing type 2 diabetes. The study suggests that these peptides could be developed into therapeutic strategies to control blood sugar levels, while minimizing the risk of migraines.

Artificial intelligence re-stained images of tissue biopsy expedite diagnoses

Researchers at UCLA have developed a computational technique powered by artificial intelligence that transforms images of tissue previously stained with H&E into new ones with added special stains. The process takes less than one minute per tissue sample, significantly improving diagnoses in medical conditions such as organ transpl...

New deep learning approach greatly improves RNA structure prediction

A new machine learning method called ARES significantly improves the computational prediction of RNA structures, outperforming other approaches in a community-wide challenge. ARES learned to make predictions based solely on atomic structure and accurately predicted complex RNAs larger than those it was trained on.

Highly conductive and elastic nanomembrane for skin electronics

Researchers at IBS developed a novel composite material consisting of metal nanowires within an ultrathin rubber film. The float assembly method creates a monolayer of nanowires in the rubber film, resulting in excellent physical properties such as high stretchability and metal-like conductivity.

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.

MOGONET provides more holistic view of biological processes underlying disease

Researchers developed MOGONET, a novel multi-omics data analysis algorithm that integrates genomic, proteomic, metabolomic, and transcriptomic data to provide a holistic view of biological processes underlying human diseases. The framework outperforms existing methods in analyzing disease biomarkers and predicting patient outcomes.

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.

When humans disturb marine mammals, it’s hard to know the long-term impact

A new study from the University of California, Santa Cruz, develops a comprehensive framework to determine when short-term changes in behavior caused by human activities have biological significance. The framework highlights the importance of life history traits and specific characteristics of disturbances in assessing vulnerability.

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.

Artificial intelligence to help predict Arctic sea ice loss

A new AI tool called IceNet has been developed to predict Arctic sea ice conditions with high accuracy. The system is almost 95% accurate in forecasting sea ice presence two months ahead, addressing the challenge of predicting Arctic sea ice forecasts for decades.

Your sense of smell may be the key to a balanced diet

A Northwestern University study found that people become less sensitive to food odors after eating a meal, making it harder to choose healthier options. The research suggests an evolutionary benefit to this feedback loop, potentially improving nutrient intake and reducing disordered eating.

Keeping it random

Scientists created a reliable true random number generator using atomically thin two-dimensional films, overcoming long-term stability issues and power consumption concerns. The innovation uses memristors to produce fluctuating electronic signals with an exceptionally high degree of randomness.

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.

LED material shines under strain

Berkeley Lab researchers developed a method to increase the efficiency of LED devices by applying mechanical strain to thin semiconductor films. This approach reduces exciton annihilation, allowing for high-performance LEDs even at high brightness levels.

Eye in the sky

The team used machine learning technique generative adversarial networks to digitally remove clouds from aerial images, generating accurate datasets of building image masks. This work may help automate computer vision jobs critical to civil engineering, enabling the detection of buildings in areas without labeled training data.

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.

Breakthrough in sizing nanoparticles using fluid-filled tubes

Scientists from the University of Melbourne and MIT have discovered a simple mechanical tube method to measure nanoparticle mass and size simultaneously. This breakthrough enables the simultaneous measurement of these properties, which is crucial for various applications such as drug delivery and nano-optics.

Using yeast to create alternative petrochemical processes

Researchers at Northwestern University have developed optimized yeast extracts for cell-free biosynthesis, enabling faster and more efficient chemical production. This breakthrough integrates cellular engineering with cell-free systems, paving the way for sustainable alternatives to current petrochemical processes.

Fluke 87V Industrial Digital Multimeter

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

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.