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Science News Archive June 2021


Page 18 of 51

Win or lose, women are seeking election for the long haul

A UC Davis study analyzing 7 decades of election results shows women are just as likely to persist in politics after losing elections as men. Despite initial predictions of 'sore losers,' researchers found no significant differences in candidates' responses to losses by gender.

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.

There's no cheating old age

A recent study found that life expectancy and lifespan equality in humans and non-human primates are not driven by aging rate, but by early life mortality rates. The researchers analyzed data from nine human populations and 30 non-human primate groups, revealing a strong relationship between early-life deaths and population aging.

Researchers trace dust grain's journey through newborn solar system

A team from the University of Arizona recreated the history of a dust grain formed during the solar system's birth, providing insights into planetary system formation processes. The analysis revealed clues about the environmental conditions that shaped the grain's journey, contradicting current theories on protoplanetary disk physics.

New research unlocks the mystery of New England's beaches

New research from UMass Amherst reveals how beach sand grain size relates to the slope of the beach. The study found that finer-grained sand determines a beach's slope in bi-modal beaches. This discovery has implications for understanding how New England's beaches will respond to sea-level rise and increased storm activity.

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.

An overview of protected satellite communications in the intelligent age

The paper presents a comprehensive overview of protected satellite communications systems, highlighting critical technologies and practical application scenarios. The authors discuss the importance of protected SatComs in military communications and identify remaining challenges and future research directions.

'Urban green space affects citizens' happiness'

A recent study found that urban green spaces, including parks and gardens, have a positive correlation with citizen happiness. The study analyzed data from satellite images of 60 countries and found that the area of green space acted as a more important factor affecting happiness in countries with higher GDP per capita.

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.

Crustal block tectonics offer clues to Venus' geology, study finds

A recent analysis of Venus' surface found evidence of tectonic motion in the form of crustal blocks that have jostled against each other, indicating that Venus is still geologically active. This discovery provides insight into exoplanet tectonics and the earliest tectonic activity on Earth.

Creating cooler cities

Cities experience higher temperatures than surrounding rural areas due to the Urban Heat Island (UHI) effect, caused by urban infrastructure absorbing heat. Researchers propose applying cooler surfaces to strategic locations to decrease cost and increase usage, offering an effective solution for resilient and sustainable infrastructure.

Landmark field trials show potential of gene-editing

Researchers have successfully used CRISPR-Cas9 gene editing technology to manipulate glucosinolate levels in broccoli, reducing their accumulation in the leaves and florets. This study highlights the potential of gene editing to improve crop health and adaptability in challenging environments.

Adjuvant-free avian influenza vaccines in the works

A research team at POSTECH has created a multivalent, adjuvant-free vaccine against various strains of avian influenza. The vaccine uses green vaccine technology to produce bacteria-like particles that elicit strong immune responses in mice and chickens.

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 paths through which COVID-19 spread across Brazil

A Brazilian study found that three factors - super-spreader cities, highways, and ICU availability - contributed to the country's high COVID-19 death toll. The 'boomerang effect' of patients traveling to larger cities for treatment exacerbated the distribution of deaths.

New model simulates the tsunamis caused by iceberg calving

A new model has been developed to simulate the correlation between iceberg size and tsunami amplitude, providing insight into glacial rupture mechanisms. The study's results can refine sea-level rise predictions and provide detailed information about icebergs' mass loss.

Microscopy deep learning predicts viral infections

A machine-learning algorithm can recognize virus-infected cells based on fluorescence of the cell nucleus, reliably identifying viruses and predicting severe acute infections. The algorithm has been trained with a large set of microscopy images and demonstrates 95% accuracy in detecting virulent infections up to 24 hours in advance.

Apple iPhone 17 Pro

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

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.

Changes in farming practices could reduce greenhouse gas emissions by 70% by 2036

A new study published in PNAS predicts that changes in farming practices could reduce greenhouse gas emissions from grain production by up to 70% within the next 15 years. The study identifies a combination of technological innovations, including digital agriculture, crop genetics, and electrification, as key drivers of this reduction.

New method for molecular functionalization of surfaces

Researchers have developed a new approach to create stable and ordered single molecule layers on silicon surfaces through self-assembly. They use N-heterocyclic carbenes, which can form strong covalent bonds with silicon while maintaining mobility to arrange into regular molecular structures.

Keeping a vigilant watch on SARS-CoV-2

The Vigilant platform combines reverse transcription-recombinase polymerase amplification (RT-RPA) with bacterial enzymes to detect SARS-CoV-2 gene sequences. This method produces comparably reliable results as PCR tests but is cheaper and easier to use, making it suitable for non-laboratory settings.

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.

Celestron NexStar 8SE Computerized Telescope

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

Crustal deformation on Venus

The study reveals features on Venus that suggest limited yet global crustal deformation driven by convection in the planet's interior. The findings support the hypothesis that planetary heat flux and a thinner lithosphere were present during Earth's Archean Eon.

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.

COVID-19, air pollution, and vehicle electrification

A study found that vehicle electrification may produce similar air quality effects as during the COVID-19 pandemic, but with decreased magnitude. The model accounted for nonlinear relationships between emission rates and atmospheric chemistry, highlighting the need to mitigate off-road emissions.

Air quality monitoring during volcanic eruption

Researchers deployed a network of low-cost sensors to measure sulfur dioxide and particulate matter concentrations in volcanic smog during the 2018 Kilauea eruption. The system enabled fine-scale measurements and monitoring of plume chemical evolution over time, providing valuable insights into extreme air quality events.

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.

Emissions reduction in row crop agriculture

A green transition roadmap for emissions-reducing technologies could achieve net negative emissions through optimized fertilizer application, low-emission alternatives, and system redesign. This plan aims to generate environmental benefits while fulfilling societal functions in row crop agriculture.

Common perovskite superfluoresces at high temperatures

Researchers from North Carolina State University have discovered that a commonly studied perovskite can superfluoresce at practical temperatures and timescales, indicating this characteristic may be widespread in the class of materials. This phenomenon could prove useful for quantum computing applications.

'Suffocating' cancer: A new headway in melanoma immunotherapy

A recent study published in the Oncogene Journal revealed that targeting HIF-1α significantly inhibited melanoma growth and amplified immune cell infiltration into tumour microenvironment. The discovery provides a valuable new target for making resistant melanomas more vulnerable to available anti-cancer treatments.

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.

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.

Comparing agricultural and microbial biomass yields

Researchers report that solar energy can produce microbial protein-rich biomass with significantly higher yields than traditional crops. This photovoltaic-driven process uses land and sunlight efficiently, offering a resource-efficient food source for a growing global population.

Implantable brain device relieves pain in early study

A computerized brain implant effectively relieves short-term and chronic pain in rodents, detecting brain activity linked to pain and triggering therapeutic stimulation of the prefrontal cortex. The device reduces pain intensity and is less likely to cause addiction, offering a promising new strategy for pain therapy.

Resolving the red sky paradox

A study proposes three resolutions to explain the red sky paradox, where FGK dwarfs are not apparent in the sky despite being five times more common than Sun-like stars. Red dwarfs have a lower probability of emerging intelligent life, a shorter available time window for complex life evolution, and a lower occurrence of habitable worlds.

Oregon State leading $17M effort to study gravitational waves

Researchers aim to detect gravitational wave signals with frequencies 11 orders of magnitude below those detected by LIGO. The NANOGrav center will use radio pulsars and telescopes to search for a 'chorus' of signals from super-massive black hole mergers.

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.

Butterflies cross the Sahara in longest-known insect migration

A species of butterfly found in Sub-Saharan Africa can migrate thousands of miles to Europe crossing the Saharan Desert in years with favorable weather conditions, increasing understanding of how insects could spread between continents due to climate change.

A tapeworm drug against SARS-CoV-2?

Researchers from Charité and University of Bonn identify four substances that inhibit SARS-CoV-2 replication in host cells, including niclosamide, a tapeworm drug. These findings suggest potential new treatment against COVID-19.