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Science News Archive August 2022


Page 6 of 38

Mixing things up: optimizing fluid mixing with machine learning

A team of Japanese researchers used reinforcement learning to study fluid mixing during laminar flow, achieving exponentially fast mixing without prior knowledge. The method also enabled effective transfer learning, reducing training time for new mixing problems, and has potential applications across various industries.

Stolen DNA strengthens immune diversity

Researchers have found that human antibodies can incorporate foreign genetic material from the mitochondria and ends of chromosomes, leading to increased immune diversity. This discovery challenges the long-held assumption that antibody diversity results solely from gene mutations.

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.

Keeping Kermit: New clues to protecting frogs from deadly Bd fungus

A new study from the University of South Australia shows that captive frogs can be protected from the deadly fungus Batrachochytrium dendrobatidis (Bd) through natural skin shedding processes. However, captivity also reduces skin bacteria diversity and richness, potentially affecting the frogs' resilience to pathogens.

Apple iPhone 17 Pro

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

Black-owned restaurants disproportionately impacted during pandemic

A new study using cellphone location data found that visits to Black-owned restaurants dropped off after initial spikes and were inconsistent across 20 US cities. The study raises questions about the effectiveness of labelling campaigns and how tech companies can better support communities of color.

Tip tricks control reactions in a single molecule

Scientists have developed a method to control chemical reactions in a single molecule by applying voltage pulses, resulting in unprecedented selectivity. By fine-tuning the voltage, researchers can interconvert different products formed during the reaction.

The effects of the GATT/WTO trading system on welfare and distribution

A recent study examines the comprehensive effects of the GATT/WTO trading system on welfare and distribution across member states from 1950 to 2015. The analysis reveals a robust pattern of welfare gains for member states through trade liberalization, with non-member states experiencing losses after 1980.

MALDI awarded by National Institutes of Health to ASU

The MALDI mass spectrometer will enable faster turnaround times, novel capabilities such as mass spectrometric imaging, and in-house training for researchers. This instrument will support critical research on neurodegenerative diseases, cancer, infectious disease outbreaks, and energy needs.

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.

Regulating attention for positive growth

A new module at SMU aims to integrate mindfulness with positive psychology, focusing on personal mastery, autonomy, and flourishing. Regular practice is emphasized, with techniques such as meditation and journaling, to help students develop self-regulatory skills and achieve holistic learning.

Weaving atomically thin seams of light with in-plane heterostructures

Scientists develop a method to produce atomically thin seams of light using in-plane heterostructures, enabling customizable strain and circularly polarized light. This technology has the potential to create efficient and chiral electroluminescence for applications in quantum optoelectronics.

Autoimmune disorders increase risk of cardiovascular disease

A study of 22 million patients found that those with autoimmune disorders have a substantially higher risk of developing cardiovascular disease. The excess risk is similar to that of type 2 diabetes and affects the entire cardiovascular disease spectrum.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Vital ventilation

Researchers discovered that stony corals actively transport oxygen away from areas with high photosynthetic activity to reduce oxidative stress. This targeted ventilation system, facilitated by the tiny hairs on their surface, helps corals mitigate coral bleaching caused by environmental stressors.

Cannabis legalization boosts use by double-digits

A study of over 3,400 adult twins found that residents in states where cannabis is legal use it 24% more frequently than those in illegal states. This trend holds true for identical twins, with those living in legal states using cannabis 20% more often.

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.

Reclaimed water aerosol is becoming a health concern

A study in China reveals high infection probabilities for populations exposed to reclaimed water aerosols containing Legionella, exceeding WHO thresholds. To mitigate the risk, researchers recommend disinfecting reclaimed water before use and setting up warning signs in parks.

Fluke 87V Industrial Digital Multimeter

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

Getting data to do more for biodiversity

A new model developed by MSU researchers uses low-cost data about abundant species to generate insights on harder-to-find neighbors, helping monitor and preserve biodiversity. The model can be particularly helpful for rare and elusive species, providing valuable information with minimal data.

Silicon image sensor that computes

Researchers developed a silicon photodiode array for in-sensor processing, allowing for real-time image filtering and extraction of relevant visual information. The technology has potential applications in machine vision, bio-inspired systems, and intelligent imaging devices.

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.

1-Pbps orbital angular momentum fibre-optic transmission

Researchers have developed a fibre-optic transmission system that integrates SDM, PDM, and DWDM over a 34-km long fibre, achieving a raw capacity of 1.223 Pb/s with a spectral efficiency of 156.8 bit/s/Hz. The system utilizes OAM modes to reduce MIMO complexity, enabling low power consumption and scalability.

Protein structures aren’t set in stone

Researchers found that many proteins thought to be monomeric exist as hexamers or other shapes, with some even forming tetramers. This discovery suggests a high degree of structural plasticity among proteins.

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.

Master equation to boost quantum technologies

Physicists have developed a 'master equation' to understand feedback control at the quantum level, enabling precise real-time control over quantum systems. This breakthrough has the potential to revolutionize quantum technologies by exploiting quantum effects and mitigating fragile system properties.

Optical vortices in a topological defect of cosmic spacetime

A new study demonstrates bound vortex light on optical chips by simulating gauge fields of cosmic strings. The research team created a deformed photonic graphene inspired by cosmic strings, which can generate and transport optical vortices and control photon orbital angular momentum.

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.

Academics started working even more during the pandemic

A study found that academics worldwide increased their working hours by an average of three hours per week during the pandemic. The main reasons for this increase were teaching and administrative responsibilities, with most scholars reporting difficulties in adapting to online learning platforms and new assessment methods.

Climate change is increasing frequency of fish mass die-offs

A study found that air and water temperatures are reliable predictors of fish mass mortality events. The researchers predict an approximate six-fold increase in the frequency of fish mortality events by 2100 based on local water temperature projections, and a 34-fold increase based on air temperature projections.

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.

Is it a normal early childhood tantrum or an early sign of mental illness?

A University of Massachusetts Amherst psychologist is using a $428,000 NIH grant to develop a home-based system that tracks preschoolers' tantrums and predicts mental illness risk. The system uses wearable devices and machine learning algorithms to identify high-risk children and provide critical information to parents.

One zip of alcohol is enough to modify the brain

Research finds that a single dose of alcohol permanently changes brain structure and function, leading to increased risk of addiction. The study used fruit flies and mice models to show that ethanol-induced changes in mitochondrial dynamics and synapse balance contribute to long-lasting behavioral changes.

Small molecules, giant (surface) potential

Scientists at Kyushu University have developed organic molecules that align in the same direction, creating a 'giant surface potential' when evaporated onto a surface. This alignment leads to a significant electric field, which can improve OLED efficiency and open new routes for realizing devices that convert vibrations into electricity.

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.

NSF-funded engineering research to combat medical device infections

Researchers at the University of Kentucky are developing strategies to decrease antibiotic resistance and combat medical device infections through NSF-funded engineering research. Biofilms can form on implant surfaces, making them difficult to remove and contributing to disease progression.

Celestron NexStar 8SE Computerized Telescope

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

Study finds that agricultural diversity has a positive impact on food security

Researchers found that in almost two-thirds of cases, agricultural diversity had a positive effect on food security. However, the relationship was mixed or showed no effect in about one-third of cases. The study highlights the importance of preserving agrobiodiversity to ensure food systems can adapt to climate change and other stresses.

Bound by light

A team of researchers at the University of Vienna has found a new mechanism that fundamentally alters the interaction between optically levitated nanoparticles. By applying coherent scattering, they were able to create non-reciprocal forces and improve coupling in arrays of particles, enabling new ways to study complex physical phenomena.

Dispersion coding of ENZ media via multiple photonic dopants

Researchers developed a technique for controlling ENZ media by introducing multiple dielectric rods, called photonic dopants. This allows for independent control of responses at specific frequencies, enabling applications such as optical tagging and digitally reconfigurable filters.

2023 Hertz Fellowship accepting applications

The Fannie and John Hertz Foundation is accepting applications for the 2023 Hertz Fellowship, offering five years of funding to support research that advances the nation's security and economic vitality. Past recipients include Nobel laureates and notable leaders in science and technology.

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.