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Science News Archive April 2020


Page 9 of 37

Scientists unveil how general anesthesia works

Researchers found that isoflurane weakens the transmission of electrical signals between neurons, particularly at higher frequency impulses. The anesthetic preferentially blocks these high frequency signals, while having minimal effect on low frequency impulses that control life-supporting functions.

Snowball earth and great unconformity

Analysis of Proterozoic basement granite in southern Colorado suggests that the Great Unconformity did not form solely due to glacial erosion during Snowball Earth glaciations. Instead, its formation may be linked to varying times and locations.

Harnessing the power of gallium nitride and machine learning

The $2.5 million project aims to create compact electronic power systems for military installations, utilizing gallium nitride devices for efficient energy storage and discharging. Machine learning will be used to predict the lifespan of GaN devices and circuits.

Rapid evolution in fish: genomic changes within a generation

Researchers found that genomic changes occurred quickly, with river variants increasing in frequency by 2.5% over a single generation. This study demonstrates rapid evolution in non-microorganisms, potentially aiding organisms to cope with human-induced environmental changes.

Apple iPhone 17 Pro

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

Sustainable light achieved in living plants

Researchers have successfully created plants that produce their own visible luminescence through the insertion of DNA from mushrooms. The plants glow brightly and continuously throughout their lifecycle, offering a sustainable alternative to traditional lighting sources.

Researchers identify drugs that could halt preterm labor

Scientists discovered a common molecular pathway in women who experience preterm labor and are developing new treatments using FDA-approved drugs. The research found that combined administration of nebivolol and N6022 can almost completely halt contractions, improving birth outcomes.

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.

Duke awarded NSF rapid grant to develop fast diagnostic test for COVID-19

Researchers have developed a fast and low-cost diagnostic test using inkjet-printed antibodies, potentially reducing coronavirus testing wait times to 30 minutes. The D4 assay tool has shown promise in detecting SARS-Cov-2 antigens with high accuracy, making it a promising solution for point-of-care diagnosis.

Superconductivity: It's hydrogen's fault

Researchers at TU Wien found that incorporated hydrogen atoms change the electrical behavior of nickelates, making them more difficult to produce. Calculations using supercomputers revealed the critical temperature range for superconductivity in these materials.

What comes after COVID-19? Special issue in the journal Population and Economics

The special issue discusses the uneasy dilemma of saving lives now versus preserving them for the future, drawing parallels with previous pandemics. Research papers examine the role of globalisation, technological shifts, and income inequality, highlighting the need for micro- and meso-institutions to find ways out of the crisis.

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.

Antibiotics may increase risk for opioid abuse

Taking antibiotics with opioids may exacerbate addiction by altering brain responses to opioids, according to research on rats depleted of their gut microbiome. The study found that a weakened microbiome intensified opioid intoxication while reducing withdrawal effects.

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.

New type of immune cell discovered in breast ducts

Researchers at Walter and Eliza Hall Institute have discovered a new population of immune cells called ductal macrophages that play a crucial role in maintaining healthy breast tissue by clearing away dying milk-producing cells. This discovery could lead to new insights into treating breast cancer.

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.

Abundant element to power small devices

A team of researchers from the University of Tokyo has developed an iron-based thermoelectric material that can convert waste heat into electricity. The material, which is mostly iron and relatively inexpensive, has shown promise in powering small devices such as remote sensors and wearable devices.

Automating complex 3D modeling

VoroCrust generates accurate digital representations of complex objects using Voronoi-cell meshes that conform to models without needing manual fixes. This software could save scientists hours of work and improve the efficiency of simulations for aerospace and other industries.

Nursing research informs response to COVID-19 pandemic

Nursing research plays a critical role in responding to the COVID-19 pandemic by providing reliable epidemiological data, effective treatments, and vaccines. The research helps advance supportive work environments that save patient lives and promote recovery.

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.

Fracking and earthquake risk

The Stanford study develops a calculation of the risk that shaking triggered by a given project will be felt in surrounding communities. The authors propose setting yellow-light thresholds approximately two magnitude units below the red light to reduce nuisance-level shaking.

New tool measures quality of life in people with dementia

A new tool measures quality of life in people with dementia by assessing five key domains: physical health, mood, memory, living situation, and ability to do fun activities. The tool reveals that living situation is the most important contributor to quality of life, followed by the ability to engage in fun activities.

Help your children learn about biology with a bedtime story

A new children's book introduces genetics to youngsters of primary school age through a rhyming narrative, explaining DNA and the role of nature and nurture in making each person unique. The book aims to engage young children with science, building on research that shows teaching genetics before evolution improves pupil understanding.

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.

Web of psychological cues may tempt people to reveal more online

A study published in CHI 2020 found that users are influenced by contextual cues to disclose personal information, including social security numbers and phone numbers. The researchers identified 12 heuristics, or mental shortcuts, that trigger this behavior, such as the bandwagon heuristic and authority cue.

Highly concentrated aqueous electrolytes could replace solvents used in batteries

A study by researchers at the University of São Paulo has identified a promising technological alternative to solvents used in batteries. Highly concentrated aqueous electrolytes offer significant advantages over conventional methods, including being nontoxic and cheaper. However, challenges such as hygroscopicity and corrosion need to...

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.

Facing a pandemic while pregnant

A pregnant woman shares her experience during the COVID-19 pandemic, highlighting the emotional toll of isolation and uncertainty on her mental health. She also discusses how healthcare providers can better support pregnant patients during this time, emphasizing the importance of empathy and understanding.

Fueling the world sustainably: Synthesizing ammonia using less energy

Researchers at Tokyo Institute of Technology have created a catalyst that enables the production of ammonia at just 50°C, using half the energy required by existing techniques. This breakthrough has significant implications for sustainable agricultural food production and reduces carbon dioxide emissions from fossil fuel use.

Water molecules dance in three

Researchers have accurately described the interaction energy among three water molecules for the first time. The study uses advanced spectroscopy and quantum calculations to analyze the intermolecular vibrations of water trimers.

Meta Quest 3 512GB

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

Researchers solve 'link discovery' problem for terahertz data networks

A team of researchers from Brown and Rice University has developed a means of performing link discovery with terahertz radiation, enabling ultra-fast wireless data transmission. The approach uses a device called a leaky waveguide to exploit the properties of terahertz waves and track client devices in real-time.

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.

Two steps closer to flexible, powerful, fast bioelectronic devices

Researchers develop biocompatible ion-driven soft transistors that can perform real-time neurologically relevant computation. A mixed-conducting particulate composite enables the creation of electronic components out of a single material, allowing for non-invasive recording and processing of brain activity.

Dramatic loss of food plants for insects

Researchers from the Universities of Bonn and Zurich have found a significant decline in food plants for insects in the canton of Zurich over the past 100 years. This has resulted in a decrease in the abundance of species visited by bees, bumblebees, wasps, butterflies, hoverflies, flies, and beetles.

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.

Hubble marks 30 years in space with tapestry of blazing starbirth

The Hubble Space Telescope has unveiled a breathtaking portrait of a firestorm of starbirth in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This iconic image, nicknamed the 'Cosmic Reef,' showcases the telescope's enduring legacy and transformative impact on modern astronomy.

Sanfilippo C syndrome: New brain cell models to evaluate therapies

Researchers have developed brain cell models of neurons and astrocytes to better understand the mechanisms of Sanfilippo C syndrome. The studies show that these cell models can reproduce the main features of the disease, allowing for the assessment of potential therapies.

New active ingredient against allergic asthma

Researchers from TUM have identified a substance that worm larvae use to modulate the host's immune response, activating anti-inflammatory pathways and reducing inflammatory mediators. This active molecule shows promise as a new treatment for chronic airway inflammation in allergic asthma.

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.

Quantum electrodynamics experiment

Researchers at Heidelberg University have successfully constructed the symmetries of quantum electrodynamics using ultracold atoms. The findings could lead to the development of large-scale quantum devices capable of simulating complex physical phenomena.

Environment-friendly compound shows promise for solar cell use

Researchers at Rensselaer Polytechnic Institute have developed a new lead-free chalcogenide perovskite that could provide a safer and more effective option for solar cells. The compound, barium zirconium sulfide (BaZrS3), is highly resistant to moisture and sunlight, making it an attractive alternative to traditional materials.

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.

COVID-19: The downside of social distancing

A team of researchers argues that social distancing is at odds with human nature, which naturally seeks social contact in times of danger. This contradiction poses a significant challenge to public health and policy-making.

Colliding solitons in optical microresonators

Researchers at EPFL's lab have developed a method to generate soliton collisions in optical microresonators, allowing for the study of complex soliton interactions. By controlling the speed mismatch between two laser-driven solitons, they can induce binding or crossing behaviors, revealing important physics of the system.