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Science News Archive April 2022


Page 12 of 37

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.

WHO strongly recommends antiviral drug for patients with non-severe COVID-19

The World Health Organization recommends Pfizer's nirmatrelvir/ritonavir for non-severe COVID-19 patients at highest risk of hospitalization, reducing hospital admissions by 84 per 1,000 patients. The guideline also suggests using remdesivir for high-risk patients and acknowledges cost and resource implications.

Calming overexcited neurons may protect brain after stroke

Researchers identified two genes associated with recovery within the first 24 hours after stroke, linking neuronal excitability to stroke outcomes. Genetic evidence suggests that calming overexcited neurons may protect the brain after a stroke.

Apple iPhone 17 Pro

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

'Whup' and 'grumble' calls reveal secrets of humpback whales

Researchers recorded 600 non-song calls around the Vema Seamount, including a previously unknown 'gunshot' sound. The study highlights the importance of protecting high-sea habitats and creating a network of Marine Protected Areas to ensure seamounts like Vema are protected.

Skyrmions can remain its topology in nonlinear interaction

Scientists successfully convert diverse optical skyrmion textures without changing their spatial structure, enabling potential use as next-generation optical information carriers. The breakthrough allows for high-dimensional quantum interfaces and polarization-resolved imaging.

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.

Earthquake early warning moves forward in four central American countries

A regional collaboration has successfully installed earthquake early warning algorithms in four Central American countries, including Nicaragua, Guatemala, El Salvador, and Costa Rica. The system can produce warnings seconds before strong ground-shaking S waves arrive from offshore shallow subduction zone earthquakes.

Longest known COVID-19 infection – 505 days – described by UK researchers

Researchers from King's College London and Guy's and St Thomas' NHS Foundation Trust studied nine immunocompromised patients with persistent COVID-19 infections, finding that five developed at least one mutation seen in variants of concern. The study provides evidence that new variants may develop in immunocompromised individuals.

Designing the perfect piece of chocolate

Scientists create S-shaped chocolate metamaterials with adjustable cracking properties and distinct sounds, allowing for a customizable eating experience. The research opens the door to designing foods that are enjoyable to eat and materials that optimize human interaction.

Bonds from the past: A journey through the history of protein synthesis

Researchers studied peptide bond formation between tRNA molecules and a ribosomal RNA segment, revealing the potential for minihelices to bind to the primordial peptidyl transferase center. The study suggests that functional interactions between tRNA and PTC could have been 'revised' in evolution.

Circuit that focuses attention brings in wide array of inputs

Scientists at MIT's Picower Institute mapped thousands of inputs to the anterior cingulate cortex and lateral posterior thalamus, finding that both regions receive input from non-sensory areas. The study provides a detailed roadmap for understanding selective attention in mice.

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.

Breast cancer: Why metastasis spreads to the bone

A team of biologists identified a protein involved in the spread of breast cancer to bones. The discovery confirms the importance of cellular plasticity during the metastatic process and could lead to new treatments. ZEB1, a protein that increases cell plasticity, was found to direct cells with metastatic characteristics to bones.

Dividing walls: How immune cells enter tissue

Researchers discovered that immune cells can enter tissues by exploiting the division of surrounding cells, which creates a gap for them to pass through. This process is crucial for the immune system's rescue service, and understanding it could lead to new strategies for cancer research and autoimmune diseases.

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.

Pandemic redeployment caused stress to nurses - study

A new study by Anglia Ruskin University found that 90% of redeployed nurses felt stressed or anxious during the COVID-19 pandemic. Despite this, many reported strong motivation to help, driven by a sense of duty and care for patients. The research highlights the need for comprehensive resilience strategies in healthcare services.

Humans disrupting 66 million-year-old feature of ecosystems

A study has discovered that humans are disrupting a fundamental pattern in ecosystems, which dates back at least 66 million years. The U-shaped relationship between diet and size in modern land mammals has been found to span across multiple vertebrate groups, including birds, reptiles, and fish.

Haber-Bosch at the atomic scale

Researchers have directly observed N2 adsorption and tunneling electron-induced desorption processes at the atomic scale using scanning tunneling microscopy. The study reveals dominant pairwise electrostatic interactions between K and N2, weakening the molecule bond towards dissociation in the Haber-Bosch synthesis.

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.

Symptom data help predict COVID-19 admissions

Researchers used symptom data from over 10 million participants to estimate regional COVID-19 prevalence and predict hospital admissions. The findings confirm previous reports that symptoms are related to community infection rates, providing a scalable tool for pandemic preparedness.

Key to improved green tech efficiency found in simple acid treatment

Researchers at Idaho National Laboratory developed a simple acid treatment to improve the efficiency of protonic ceramic electrochemical cells (PCECs), overcoming long-standing challenges. The treatment increases the surface area between the electrode and electrolyte, allowing for more efficient flow of hydrogen atoms and improved cell...

Researchers move closer to detecting venusquakes using balloons

Scientists are working on balloon-borne instruments that can detect seismoacoustic signals in Venus' atmosphere, helping to learn more about the planet's interior structure and formation history. The instruments aim to detect strong signals from ground motion on Venus due to the planet's thick atmosphere.

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.

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.

Researchers demonstrate label-free super-resolution microscopy

A new measurement and imaging approach resolves nanostructures smaller than the diffraction limit without dyes or labels, using polarization and angle-resolved images of transmitted light. The method measures particle size and position with high accuracy, closing the gap between conventional microscopes and super-resolution techniques.

COVID-19 can directly infect and damage human kidney cells

Researchers at Duke University discovered that SARS-CoV-2, the virus causing COVID-19, can directly infect and damage specific types of kidney cells. The virus hijacks the cell's machinery to replicate, leading to structural damage and increased production of viral particles.

Revolutionary images of the birth of crystals

Researchers have successfully visualized crystal nucleation, a crucial stage in crystallization, using Raman microspectroscopy and optical trapping. This breakthrough enables better understanding of molecular dynamics and may lead to the development of purer and more stable crystals for pharmaceuticals and other industries.

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.

Differences in children’s behaviour predict midlife health behaviors

A recent study found that children's socioemotional behavior at age 8 can predict midlife health behaviors, including physical activity and alcohol consumption. Well-controlled behavior in girls was linked to more physical activity, while social activity in both boys and girls predicted heavier drinking and smoking.

Study casts doubt on impact of menthol-flavored tobacco ban

A new study by Vanderbilt University researchers has cast doubt on the impact of a proposed ban on menthol-flavored tobacco cigarettes. The study found no statistically significant difference in quit rates between menthol and non-menthol smokers, despite earlier reports that menthols were harder to quit. The study's authors suggest cau...

Greening food preservation nourishes the environment

Cornell scientists have created a biodegradable polymer to extend the shelf life of salad dressings, marinades, and beverages in refrigerators. This innovation uses a bioderived material that interacts with food without migrating into it, reducing waste and environmental impact.

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.

Study links telomere length to risk of death from COVID-19

Researchers investigated the association between relative telomere length and COVID-19 mortality in 608 adults hospitalised with the virus. In women aged 65 or older, shorter telomeres were associated with a higher risk of dying from COVID-19. Longer telomeres were linked to a reduced risk, particularly in women.

Perfluorinated chemicals: Pollution is underestimated

A study reveals the presence of 86 previously unknown PFAS compounds in German and Chinese rivers, with some substances posing similar health risks to banned counterparts. The discovery highlights the need for stricter regulations on the entire PFAS group.

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.

New production method promises to end medical radioisotope shortages

Researchers at University of Tokyo develop alternative production method for radioisotope technetium-99m, reducing reliance on aging nuclear reactors. The new method uses linear particle accelerators and activated carbon to produce the isotope with similar effectiveness as conventionally produced versions.

Machine-learning model can distinguish antibody targets

A new study from the University of Illinois at Urbana-Champaign has developed a machine-learning model that can predict which pathogens antibodies will target, with an accuracy rate of over 85%. The model uses genetic sequences of antibodies to differentiate between influenza and SARS-CoV-2.

Environmental DNA reveals secret reef inhabitants

A new study using environmental DNA reveals a 16% higher fish diversity on coral reefs than traditional visual observations. The approach detects pelagic, reef-bound, and cryptobenthic species that are difficult to spot by divers.

Celestron NexStar 8SE Computerized Telescope

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

It’s the pore that counts

The study reveals that carbon storage in soil depends on the spatial distribution of pores, with a higher concentration of carbon found near pores. The researchers used X-ray CT to visualize pore systems and found that microbial activity decreases with increasing distance from the pores.

New materials for storing flammable industrial gases

Researchers have created new patented materials that can capture and release acetylene with high efficiency, outperforming existing porous materials. The flexible Metal-Organic frameworks (MOFs) offer tunable gas storage and release conditions suitable for industrial applications.

Sapphire fiber could enable cleaner energy and air-travel

Researchers have developed a sensor made of sapphire fibre that can withstand temperatures over 2000°C, enabling significant improvements in efficiency and emission reduction in aerospace and power generation. The technology has potential applications in space and fusion power industries.

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.

The protein that keeps the pancreas from digesting itself

Researchers identified estrogen-related receptor gamma (ERR γ) as crucial for preventing pancreatic auto-digestion in mice. In humans, lower levels of ERR γ were found in cells affected by pancreatitis. These findings suggest new therapies regulating ERR γ activity could help prevent or treat these conditions.