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Science News Archive April 2020


Page 19 of 37

New route of assembly and ionic channel traffic in cardiac cells

Researchers describe an alternative mechanism for the placement of potassium ion channels in cardiac cell membranes, which is crucial for heart function and may contribute to cardiovascular diseases. This discovery could lead to a better understanding of cardiac physiology and the development of new treatments for related disorders.

Nanoparticles: Acidic alert

Researchers at LMU synthesized nanoparticles that rapidly release ionized iron within cells, triggering pyroptosis and potentially eliminating malignant tumors. The nanoparticles' structure and coating enable controlled release of iron ions in acidic environments, making them a promising therapeutic agent for cancer treatment.

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 economic model may prevent stops of capital flow

Researchers at the University of Malaga have developed a new global prediction model for sudden stops of capital flows using decision trees. The model identifies key economic factors that predict this event in both emerging and developed countries, allowing for early detection and prevention.

Dance with your grandma (not during COVID-19 of course)

A study published in Frontiers in Psychology found that Dance Movement Therapy (DMT) improved mood and physical activity in grandmothers, while also allowing their female dance/movement therapists to process their grandparents' eventual death. The therapy promoted a strong intergenerational bond between the two groups.

Cancer drug resistance study raises immune red flags

A new study found that inhibiting the cancer drug resistance gene MDR1 can have unintended side effects on specialized immune system cells called CD8+ cytotoxic T lymphocytes. This could dull anti-cancer immune responses and increase vulnerability to infection. The research raises questions about the safety and utility of using systemi...

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.

Chamber measurement standards established for fine particles

The University of Helsinki has established a new standard procedure for analyzing fine particles in experimental chambers, enabling researchers to better understand the mechanisms associated with fine particle formation and its impact on global warming. This standard will help simulate past and future atmospheric conditions, providing ...

3D models of mountain lakes with a portable sonar and airborne laser

Researchers have developed a low-cost methodology for creating high-resolution three-dimensional models of lake bottoms, combining data from an echo sounder and LiDAR detection data collected from an airplane. The technique has been successfully implemented in the Truchillas Lake in Spain, providing insights into the origin of the lake...

Apple iPhone 17 Pro

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

The lipid code

Researchers have developed light-activated tools to influence lipid concentration in living cells, shedding light on the 'lipid code'. This approach could enable medical professionals and biochemists to verify results with quantitative data from living cells.

The origin of feces: CoproID reliably predicts sources of ancient poop

Researchers developed CoproID, a reliable method to distinguish between human and dog feces based on ancient host DNA and microbiome composition. This technique enables the investigation of changes in the human gut microbiome throughout time, shedding light on food intolerances and other health issues.

New discovery settles long-standing debate about photovoltaic materials

Researchers at Ames Laboratory have experimentally proven the presence of the Rashba effect in bulk organometallic halide perovskites using terahertz light bursts. This discovery settles the long-standing debate about the effect's existence, offering significant advancements for spintronic and photovoltaic applications.

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.

Lighting the way to safer heart procedures

A new study from Johns Hopkins University proves the feasibility of using photoacoustic imaging for medical procedures, offering a potential replacement for current radiation-based methods. The technique involves using light and sound to produce images without ionizing radiation.

Meta Quest 3 512GB

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

Trade friction: Adaptiveness of swarms of complex networks

The study found that core networks are more adaptive to environmental changes in complex systems. Peripheral networks can introduce new ideas and methods to the entire system when core networks cannot adjust. Interactions between core and peripheral networks are crucial for adaptation.

Dissecting the mechanism of protein unfolding by SDS

Scientists used molecular dynamics simulations to understand how SDS causes protein unfolding, revealing microscopic details of the process. The study provides insights into the properties of SDS-protein interactions and their applications in protein sequencing.

Under pressure: New bioinspired material can 'shapeshift' to external forces

Researchers at Johns Hopkins University have created a self-adapting material that can change its stiffness in response to applied force, mimicking how human bone adjusts to its environment. This advancement holds promise for developing materials that can self-reinforce damaged areas and accelerate treatment of bone-related diseases.

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.

Virginia Tech's fog harp harvests water even in the lightest fog

The fog harp design uses parallel wires to collect ambient water from fog, gathering more water than existing mesh collectors. Field tests at Virginia Tech's Kentland Farm showed that the fog harp outperformed traditional mesh harvesters in even light fog conditions.

Nasal smear as an allergy screening test

A new diagnostic method for allergic rhinitis has been developed using nasal smears, providing a gentle alternative to blood tests. The method detected identical allergic sensitization patterns in both blood and nasal secretions for a wide range of airborne allergens.

Researchers achieve remote control of hormone release

MIT researchers have developed a method to remotely control hormone release from the adrenal gland using magnetic nanoparticles, offering a less invasive alternative to existing treatments. The technique uses heat-sensitive ion channels to stimulate hormone production, potentially treating conditions such as PTSD and chronic pain.

Better data framework needed to improve rare disease diagnostic rates

A new study highlights the need for a better data framework to reanalyze genetic data, which could improve diagnostic rates for rare diseases by up to 32%. The study found that current practices vary widely and raise concerns about laboratory and clinician responsibilities, as well as patients' ability to advocate for themselves.

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.

Molecular networks serve as cellular blueprints

Stress granules and P-bodies are formed when external stress halts the RNA assembly line, clumping RNA together. Researchers discovered a simple principle underlying their assembly, revealing how protein-rich compartments condense from cytoplasm into liquid droplets. This understanding may lead to new therapeutics for diseases of aging.

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.

Influenza: researchers show that new treatment reduces spread of virus

Researchers at University of Melbourne and Imperial College London tested baloxavir, the first new treatment for influenza with a novel action mechanism, against oseltamivir. Baloxavir significantly reduced transmission of the flu virus in ferrets under conditions mimicking household settings.

Proteins may halt the severe cytokine storms seen in COVID-19 patients

A team of MIT researchers has developed specialized proteins that can soak up excess cytokines, alleviating symptoms from coronavirus infection. The proteins, designed to mimic cytokine receptors, have shown promise in laboratory tests and are now being tested in human cells and animal models.

How many children is enough?

A recent study analyzing reproductive attitudes in Russia found that most families desire two children, but the actual number is often lower due to various factors. The average desired and expected numbers of children have been declining over the past five years, with a slight decrease in both indicators.

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.

Can coral reefs 'have it all'?

A recent study found that only five percent of tropical reefs globally can meet multiple goals, including providing enough fishing stocks and maintaining biodiversity. Marine reserves placed in areas with low human pressures had the best results for helping reefs get on the 'A-list', meeting all goals simultaneously.

Psychedelic compound from magic mushrooms produced in yeast

Scientists at DTU Biosustain successfully produced psilocybin de novo in yeast, eliminating the need for expensive substrates and enabling large-scale fermentation. This breakthrough could pave the way for the commercial production of psilocybin as a potential treatment for depression and other psychological conditions.

Odor experts uncover the smelly chemistry of lemur love

Researchers identified three key chemicals used by male lemurs for attracting females, which are linked to testosterone levels. In contrast, when females were presented with these individual odors or a neutral control, they showed no increased interest.

Solving the puzzle of Mitchell disease

Scientists identified a mutation in the ACOX1 gene as the cause of Mitchell disease, a rare neurodegenerative disorder. The discovery was made using a combination of human genetics and fruit fly studies, which revealed a previously unknown role for peroxisomes in glial cells.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Support plan boosts confidence of military spouses

A support programme for military spouses has reported increased confidence in employment prospects and goodwill towards the Armed Forces. The Spouse Employment Support programme provided training grants and career support, leading to improved job market engagement and recognition by the military.

Scientists make step towards understanding the universe

Research by University of Sheffield physicists indicates a difference in neutrino and antineutrino behavior, which could help explain the universe's matter-matter asymmetry. The T2K experiment strengthens previous observations and paves the way for future discoveries.

Designing peptide inhibitors for possible COVID-19 treatments

Scientists have designed four peptides that mimic the virus-binding domain of the human protein allowing SARS-CoV-2 to enter cells. The peptides contain amino acids from ACE2 that interact with the viral protein, and were found to have good binding energies in computer simulations.

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.

Innovating the peer-review research process

A team of researchers has developed a new system to evaluate proposed scientific research projects that distributes the workload among proposers and uses machine learning to match reviewers with proposals. The system also includes a feedback mechanism to improve the review process.

Earth Day alert to save our frogs

A new study warns of amphibian conservation shortfalls due to climate change, highlighting the need for intelligent manipulation and management of water resources. Researchers found that extending temporary pool availability, restoring natural drying patterns, and releasing environmental flows can improve breeding outcomes.

Critical 'starbleed' vulnerability in FPGA chips identified

A critical 'Starbleed' vulnerability in FPGA chips has been discovered, allowing attackers to gain complete control over the chips and their functionalities. The bug is integrated into the hardware and can only be removed by replacing the chips.

Fluke 87V Industrial Digital Multimeter

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

3D printing and moon dust: an astronaut's kit for future space exploration?

Researchers from Politecnico di Milano have successfully used laser 3D printing to create components from lunar regolith, a potential game-changer for future space missions. The study demonstrates the feasibility of using local resources in space, enabling In-Situ-Resource-Utilisation (ISRU) and reducing reliance on Earth-based supplies.

A non-invasive way of monitoring diabetes

A new non-invasive method of monitoring diabetes uses saliva as a more convenient and sustainable alternative to traditional blood glucose testing. The research, published in PLOS ONE, achieved an accuracy rate of 95.2% using infrared platform technology.

Biorobotics is the future of fish farming

A study published in Royal Society Open Science found that small and slowly moving robots can effectively monitor the behavior of salmon in fish farms without scaring them off. The results suggest that these robots can provide valuable insights into the state of the fish, including their health, parasites, and feeding habits.

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.

Untwisting plastics for charging internet-of-things devices

Researchers at Nagoya University have created a new material that can efficiently charge Internet-of-Things (IoT) devices using body heat. The breakthrough involves adding an ion electrolyte gel to a conducting polymer, which untwists the polymer chain and creates links between its crystalline parts, improving electron conductivity.