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Science News Archive March 2022


Page 12 of 44

Can supermarkets coax people into buying healthier food?

Researchers found that increasing availability of healthier options, such as low-fat chips and lower-calorie biscuits, led to significant changes in purchasing behaviors. Removing seasonal chocolates from prominent locations also attenuated the usual increase in confectionery sales.

Identified: Genes that can boost maize and rice yields

Researchers identified a gene, KRN2, that can increase maize yield by 10% and rice yield by 8%, without affecting other traits. The discovery provides attractive targets for developing new crops with enhanced production, building on the shared desirable traits of these two staple crops.

Apple iPhone 17 Pro

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

Missing building block for quantum optimization developed

Researchers at the University of Innsbruck have proposed a method to solve optimization problems using neutral atoms and four-qubit operations. The algorithm can be realized on existing quantum hardware by optimizing laser pulse durations in a feedback loop.

People over 60 are greenhouse gas emission bad guys

A study by Norwegian University of Science and Technology finds that people over 60 account for nearly a third of global greenhouse gas emissions. This is due to their consumption habits, including higher energy usage and housing expenses, which are influenced by their wealth and aging population.

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.

IOF CSA Medal of Achievement awarded to Professor Thierry Thomas

The International Osteoporosis Foundation awarded Professor Thierry Thomas the IOF Committee of Scientific Advisors (CSA) Medal of Achievement for his outstanding scientific contributions to osteoporosis. The award recognizes his work on secondary fracture prevention and post-fracture care coordination programs.

Taking context seriously

The COVID-19 pandemic has had a devastating impact on smallholder farmers in the developing world, with up to 80% reporting reduced food purchases and 50% suffering income loss. The study highlights the need for policymakers to balance disease containment measures with the food security needs of rural populations.

*Free* The moral matter of animal emotions

Researchers Frans de Waal and Kristin Andrews highlight scientific evidence suggesting animals experience positive and negative emotions. Recognizing animal sentience is bound to complicate an already complex moral world.

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.

Limiting energy in neurons exacerbates epilepsy

A research team found that limiting energy in neurons increases hyperexcitability and severity of seizures in mice. The ketogenic diet restored mitochondrial function and reduced seizure intensity.

Simply printing high-performance perovskite-based transistors

A research team from POSTECH has developed a method to print high-performance p-type semiconductor transistors using inorganic metal halide perovskite, exhibiting high hole mobility and current ratio. This technology enables solution-processed perovskite transistors to be simply printed as semiconductor-like circuits, paving the way fo...

Rapid spin-flip in colloidal nanocrystals to generate molecular triplets

A team of scientists developed a method to generate molecular triplets in colloidal nanocrystals through rapid spin-flip, which can be used for photochemical applications such as photon upconversion and singlet oxygen generation. The study demonstrates the potential of solution-processed semiconductor materials for new fields.

Artificial neurons go quantum with photonic circuits

Researchers at the University of Vienna have created a quantum memristor that combines artificial intelligence and quantum computing. The device uses single photons to achieve memristive behavior, which can be used for learning on both classical and quantum tasks.

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.

Unstable molecule clicks with synthetic strategy

Scientists at UC San Diego develop a method to bind unstable diphosphorus to a single metal ion, creating a relatively stable and selectively reactive form. This breakthrough could enable the development of selective phosphorus-atom transfer reactions and open up new areas of discovery in synthetic chemistry.

Illinois researchers find exotic sources of resistance to tar spot in corn

Illinois researchers identified two tropical corn germplasm lines showing promising levels of tar spot resistance, regardless of location. The study developed a new method for scoring tar spot incidence and severity, which will aid breeding programs. The findings suggest resistant hybrids are key to managing the disease long-term.

Citizen divers aid understanding of fish in the Salish sea

A study by University of California, Davis reveals that volunteer divers with Reef Environmental Education Foundation (REEF) helped monitor more than half of the total fish species in the Salish Sea. REEF scientists expanded the known range of multiple species and documented a new species, the striped kelpfish.

High-speed shearing can intensify the chemical processes

Researchers found that high-speed shearing enhances chemical reactions by accelerating collisions among reactant molecules. The study suggests using a narrow gap between the stator and rotor to eliminate backflow phenomena, improving mixing conditions.

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.

ASMR fans are hypersensitive to the world

Research reveals that ASMR enthusiasts are hypersensitive to their environment, easily overstimulated by noise and movement. They also possess heightened bodily awareness, noticing physical changes when experiencing emotions.

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.

Health equity depends on equitable health research practices

New research provides recommendations for quantitative health sciences to better understand the impact of racism on adverse health outcomes. The paper suggests applying theoretical frameworks, community consults, and elevating Black, Indigenous, and Latine scholars to leadership positions.

Optical nanoscopy to need fewer photons with nonlinear response

Researchers developed a new technique, 2p-MINFLUX, to increase the precision of optical nanoscopy by doubling the gradient and decreasing the number of photons needed by a factor of four. The team's simulation proved that this approach requires fewer photons under two-photon excitation.

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.

Artificial sweeteners may not be safe sugar alternatives

A study published in PLOS Medicine found associations between consuming artificial sweeteners and increased cancer risk. The researchers analyzed data from 102,865 French adults and discovered higher risks for overall cancer, breast cancer, and obesity-related cancers.

Breaking down plastic into its constituent parts

Researchers at ETH Zurich have developed a method to break down certain polymers into their basic building blocks, enabling full recycling. The breakthrough involves creating 'radicals' at the end of a polymer chain, triggering depolymerisation and recovering up to 92% of the monomers.

Meta Quest 3 512GB

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

Sea turtle warning: Pandemic pollution is infecting the oceans

A recent study found that COVID-19-derived plastic debris is contaminating marine ecosystems, with sea turtles being particularly affected. The research analyzed fecal samples from 76 sea turtles and detected the presence of face masks, which can leach endocrine-disrupting chemicals into the environment.

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.

Heart attack survivors may be at greater risk of mental decline

A recent study found that approximately 1 in 3 heart attack survivors experience significant mental decline in the days and months following their heart attack. Cognitive deficits can impact quality of life and treatment adherence, emphasizing the need for cardiologists to monitor patients regularly.

Texas Biomed selected as premier NIH training center for TB researchers

The Interdisciplinary NexGen TB Research Advancement Center will provide a world-class training program for the next generation of TB researchers, leveraging expertise and facilities across Texas Biomed and South Texas. The center aims to ensure diverse skills and real-world experience to effectively tackle this challenging disease.

Use of medication for opioid use disorder among adolescents, adults

A recent survey study found that many people who could benefit from treatment are going without medication for opioid use disorder. The study revealed particularly low rates of medication use among adolescents and older adults, underscoring the need for targeted interventions to address this critical public health issue.

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.

Online and offline victimization: Two sides of the same coin?

A study by Universitat Oberta de Catalunya found that 73.7% of university students have been victimized online, with a higher risk for those who were offline victims during childhood or intimate partner violence., Researchers identified three groups based on cybercrime risk: low-risk, financial cybervictimization, and high-risk groups ...

Obese pregnant women are more likely to experience stillbirth or neonatal death, and over 60 percent of this increased risk is associated with delivery occurring at an earlier gestational age

A recent study found that obese pregnant women are at a higher risk of experiencing stillbirth or neonatal death. The research revealed that over 60% of this increased risk is associated with deliveries occurring at an earlier gestational age, highlighting the importance of careful prenatal care and monitoring.

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.

Novel therapeutic strategy shows promise against pancreatic cancer

Scientists at Albert Einstein College of Medicine have developed a novel therapeutic strategy that uses bacteria to deliver tetanus toxin into pancreatic tumor cells, inducing an immune response and killing the cancer. The treatment has shown promise in reducing cancer metastases by 87% and increasing mouse lifespan by 40%.

Atossa – The protein queen commanding cell invasion

Researchers at ISTA discovered a novel protein, Atossa, that boosts energy production in immune cells, enabling them to invade tissues. This discovery has significant implications for understanding human physiology and potentially treating neurodegenerative diseases.

Women still missing from cardiovascular clinical trial leadership

A study found that female principal investigators led fewer trials and those funded by industry sponsors, but more trials led by women were associated with higher enrollment of female subjects. This highlights the need for increased female representation in clinical trial leadership.

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.

Discovery could pave way for new lung treatment

Researchers have identified a new family of proteins in blood vessels that prevent fluid from entering the lungs, offering a potential new avenue for treating acute respiratory distress syndrome. Stimulating these bitter taste receptors has been shown to provide protection against fluid leak into the lung.

Decoding a material’s ‘memory’

Researchers from the University of Pennsylvania discovered that disordered materials can retain a memory of external forces, allowing them to predict when and how they will flow. By analyzing individual particle distributions, scientists can determine a material's stability and response to stressors.

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.