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Science News Archive April 2023


Page 19 of 37

New discovery stops bacterial virus contamination

A new discovery by researchers at the University of Warwick has found a simple material that can prevent bacterial viruses from contaminating laboratories and microbial factories. This breakthrough aims to develop next-generation industrial biotechnologies and remove a bottleneck in fundamental research.

On-chip generation of Bessel-Gaussian beam for long-range sensing

A team of scientists has proposed a new structure based on silicon photonic grating arrays to generate Bessel Gaussian beams with long propagation distances, measured up to 10.24m. The compact device enables widespread applications in optical communication and micro-manipulation.

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.

New approach estimates long-term coastal cliff loss

Researchers at Stanford University have developed a new tool to estimate long-term coastal cliff loss, finding that rates are similar to those over the past 2,000 years. The study's approach provides a relative assessment of driving factors behind cliff retreat over longer periods, with implications for managing coastal erosion.

Apple iPhone 17 Pro

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

Salmonella solution

McMaster University researchers developed a rapid and inexpensive test for Salmonella contamination in food, which provides accurate results in an hour or less. The test improves food safety, reduces the cost of processing fresh poultry and other foods, and helps limit broad recalls to batches identified as contaminated.

Resident T-cells key to salmonella immunity

Researchers at UC Davis School of Veterinary Medicine discovered that tissue resident memory cells are crucial for inducing a powerful immune response against Salmonella. Molecules like interleukin-1 and 2 enhance the formation of these cells in the liver, providing a rapid-response force.

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.

Researchers discover how some brain cells transfer material to neurons in mice

Researchers at UC Davis discovered how oligodendrocyte-lineage cells transfer cell material to neurons in the mouse brain, providing a new mechanism for understanding brain maturation and finding treatments for neurological conditions. This discovery opens new possibilities for treating neurodegenerative diseases like Alzheimer's and P...

Long Covid smell loss linked to changes in the brain

A new study found that people with long Covid smell loss have reduced brain activity and impaired communication between key smell-processing regions. This suggests a possible link between smell loss and brain changes, which may be reversible through olfactory training.

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.

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.

Revealed: Molecular “superpower” of antibiotic-resistant bacteria

A study from Lund University reveals how antibiotic-resistant bacteria acquire resistance through two molecular mechanisms. The researchers identified a novel protein that conveys resistance to specific antibiotics, and found that certain antibiotics induce the production of this factor, providing clues for designing new medicines.

The surprising science behind long-distance bird migration

Scientists at UMass Amherst found that migrating birds burn high amounts of protein early in their flights, which then taper off as the duration increases. This discovery challenges previous assumptions about bird migration and fuels further research into the evolution of metabolism.

Visit Jefferson Lab on a self-guided virtual adventure

Jefferson Lab offers a unique opportunity for viewers to explore its world-class facilities, including the Continuous Electron Beam Accelerator Facility and superconducting radiofrequency technology. The lab's innovative research and cutting-edge equipment are showcased through interactive videos and a custom-tailored tour.

Temperature, drought influencing movement of Plains bison

A recent study found that temperature and extreme drought drive movement among herds of Plains bison, posing challenges for managing the iconic species. The team analyzed GPS-backed evidence from 33 Plains bison across two sites in Oklahoma, revealing a strong link between air temperature and bison movement.

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.

X-rays reveal electronic details of nickel-based superconductors

Scientists at Brookhaven National Laboratory used x-rays to study the electrons in nickel-based superconducting materials, revealing substantial similarities with cuprate superconductors. The research could help scientists zero in on key features essential for these materials' remarkable ability to carry electrical current.

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.

Female butterflies breed despite male shortage

Despite a parasite killing most males, female monarch butterflies still find mates about 1.5 times on average, suggesting high reproductive success throughout the year round. Uninfected females produce healthy male offspring, allowing the parasite to be transmitted in rare populations.

The thrombosis paradox

A study by an international research team has found a mechanism that occurs in brown bears and paraplegics, preventing the formation of blood clots. The discovery could lead to new treatments for venous thromboembolism, a life-threatening condition.

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.

Sea-level rise in southwest Greenland as a contributor to Viking abandonment

Researchers at Harvard University found that rising sea levels and subsidence of Greenland's land mass made the Viking settlement more prone to flooding, leading to their abandonment. The study, published in PNAS, suggests that the Vikings were faced with a myriad of challenges, including environmental change, social unrest, economic t...

Celestron NexStar 8SE Computerized Telescope

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

Possible ‘steps’ to revealing super-agers

A recent study published in NeuroImage found that older adults with improved cognitive performance during dual-task walking had flexible neural resource allocation. This discovery suggests a potential method for tracking brain health and identifying individuals at risk of aging-related cognitive decline.

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.

India approves construction of its own LIGO

The Indian government has granted final approvals for LIGO-India, a gravitational-wave detector that will improve the localization of sources. The facility will join a global network, increasing precision and filling blind spots, enabling scientists to study black holes and the universe's expansion.

Study links poor diet to 14 million cases of type 2 diabetes globally

A study by Tufts University researchers estimates that poor diet contributed to over 14.1 million cases of type 2 diabetes in 2018, accounting for 70% of new diagnoses globally. The analysis found that diets rich in refined grains and processed meat had the greatest impact on type 2 diabetes incidence.

A study analyzes racial discrimination in job recruitment in Europe

A new study analyzing European job applications found that having a non-white phenotype reduces the likelihood of employment by approximately 20%, while dark-skinned Caucasians face a 10% decrease compared to white applicants. The combined effect of ethnicity and phenotype leads to significant discrimination levels across Europe.

Dexamethasone for inpatients with COVID-19 in a national cohort

A national cohort study found that early dexamethasone administration reduced odds of mortality in hospitalized COVID-19 patients needing supplemental oxygen or mechanical ventilation. The treatment was not associated with improved outcomes for those without such needs.

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.

Cancer prevention with rapamycin

Researchers discuss rapamycin's potential to delay cancer onset by slowing cell proliferation and tumor progression. The mTOR pathway is involved in both cancer and aging, making rapamycin a promising chemopreventive agent.

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.

How music can prevent cognitive decline

A study found that practicing music and active listening can alter cognitive decline in healthy seniors by promoting brain plasticity. The researchers discovered an increase in grey matter volume in four brain regions involved in high-level cognitive functioning.

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 discover a new embryonic brain circuit

A team of researchers at IOB has identified a new, active multi-layer circuit in the cortex during an early stage of development. The finding suggests that changes to embryonic circuits play a role in dysfunctions associated with neurodevelopmental disorders like autism.

Extended monitoring detects more arrhythmias in hypertrophic cardiomyopathy

A study found that extended ECG monitoring detected a higher incidence of clinically relevant arrhythmias in patients with hypertrophic cardiomyopathy, including non-sustained ventricular tachycardia. The increased detection led to reclassification of more than one-fifth of patients to a higher risk category.