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Science News Archive November 2021


Page 5 of 40

Giving shoppers a nudge to forgo plastic bags

A new study by Ohio State University found that a token donation program reduced plastic bag use by about 30% at two convenience stores on a college campus. The program, which offered customers a 5-cent token in exchange for declining a disposable bag, was effective in nudgeing shoppers away from single-use plastics.

Apple iPhone 17 Pro

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

Climate change is making one of the world’s strongest currents flow faster

Scientists have detected a significant acceleration of the Antarctic Circumpolar Current (ACC), the only ocean current that circumnavigates the planet. The study found that climate change is causing the ACC to speed up, with prevailing westerly winds energizing ocean eddies and facilitating property exchange between ocean basins.

PKU School of Stomatology reports new phenotype of LRP6 mutation

Researchers identified two novel mutations in the LRP6 gene associated with a rare form of hand polydactyly and tooth agenesis. The study expands the genetic spectrum of LRP6-related disorders, enabling clinicians to differentiate diagnosis and facilitate genetic research.

A new approach to close the gap in lung cancer care

Researchers found offering surgery to current smokers can lead to more equitable care, reducing disparities in lung cancer outcomes. A new study published in The Journal of Thoracic and Cardiovascular Surgery shows that risk of complications and death following surgery is similar between current and former smokers.

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.

Identifying highly recombinant plants for breeding

Researchers have developed a method to identify 'highly recombinogenic' individuals in natural populations, which can be used to breed new plant varieties with increased recombination. This approach allows for the efficient design of breeding selection programs and can predict recombination rate variation with accuracy.

Sizing up the challenges in extracting lithium from geothermal brine

Researchers evaluate various technologies for extracting lithium from hot, saline brines, facing technical challenges due to high heat and dissolved minerals. The Salton Sea region in California is identified as a major domestic source of lithium, with the goal of developing environmentally friendly 'green' lithium sources.

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.

Which side is which?: How the brain perceives borders

Researchers at Salk Institute discovered that neurons deep in the brain's cortex process information from borders first, then send clues back to upstream areas. This supports the importance of the 'feedback' pathway for deciphering borders.

Extent of migration of sooty terns presents conservation challenges

Researchers used GLS tracking data to study sooty terns' migration patterns, showing they range up to 2,900 km from breeding colonies and cover 47,000 km during an eight-month migratory period. The largest breeding population of terns is on Ascension Island, which was designated a Marine Protection Area in 2019.

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.

New research explains Earth's peculiar chemical composition

A new study reveals how Earth's volatile elements, such as hydrogen, nitrogen, and carbon, were formed through a combination of deep Earth processes, oceans' formation, and meteor impacts. The research suggests that these elements played a crucial role in creating the habitable environment necessary for life to emerge.

Researchers team up to get a clearer picture of molten salts

Researchers developed a method to identify multiple coordination states adopted by nickel in molten salts, providing elusive information about their structure and dynamics. The study also revealed that changes in salt composition can significantly impact chloride exchange dynamics around nickel ions.

Crowdsourcing data to monitor progress on the SDGs

A new study explores the use of Picture Pile, a citizen science tool, to contribute to SDG monitoring and close data gaps. It found that Picture Pile can help monitor eight indicators and support seven more, providing supplementary information.

Heart repair and regeneration after a heart attack — a review

Recent clinical trials showed promising results with cardiosphere-derived cells, improving heart parameters in patients with Duchenne muscular dystrophy. Researchers investigate using cell-derived products like exosomes to boost endogenous repair pathways, while aiming to reverse cardiomyocytes' proliferation limitations.

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.

Extinct swordfish-shaped marine reptile discovered

A new marine reptile fossil from 130-million-year-old rocks in Colombia has revealed a unique dentition allowing it to eat large prey. The discovery clarifies the evolutionary tree of ichthyosaurs and tests new ideas on their evolution.

Parallels in human, dog oral tumors could speed new therapies

Researchers compared genetic expression profiles of canine acanthomatous ameloblastoma and human oral tumor ameloblastoma, finding similarities in molecular mutations. The study lays groundwork for potential translational medicine, as the dog model may represent a useful clinical model of the disease.

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.

Cells’ replication of DNA is more ‘error-prone’ in microgravity

Researchers found that DNA polymerases derived from E. coli are more prone to errors under microgravity, increasing the mutation rate and potentially leading to cancer. The study's results highlight the importance of designing rotating spaceships with artificial gravity to prevent negative effects on astronauts' health.

Method to reveal undesired biological effects of chemicals

A new approach has been developed to identify proteins affected by pollutants and chemicals, allowing for early detection of harmful biological effects. The method, called PISA, can be used to study the interactions between chemicals and proteins, revealing potential toxicity pathways.

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.

Polymers with helical blocks

A team of researchers has developed a polymer that can form folded (ordered) and unfolded (disordered) domains using UV irradiation. The polymer's structure is controlled by non-bonding interactions between monomers, allowing it to be manipulated after formation.

BU modifies medical curriculum in hopes of eliminating racism

The study aims to dismantle frameworks supporting racial biases in medicine and presents a blueprint for schools to identify problematic instances of racism. Key recommendations include challenging biological notions of race, embedding structural practices, and promoting institutional climate change.

Programmable interaction between quantum magnets

A team at Heidelberg University has successfully demonstrated a programmable control of spin interactions in isolated quantum systems. By adopting methods from nuclear magnetic resonance, the researchers used microwave pulses to modify the atomic spin and stall its reorientation. This breakthrough opens up new possibilities for Quantum...

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.

Rhythms of the krill

Researchers found that Arctic krill respond to visual changes during the Arctic polar night by swimming up or down in search of food and avoiding predators. The study revealed that even small changes in light intensity can entrain the biological rhythms of krill, helping them navigate their environment.

Mobile molecular robots swim in water

Researchers have created a microcrystal that utilizes self-continuous reciprocating motion for propulsion, enabling the microrobot to move itself sustainably in water. The microrobots exhibited different styles of propulsion and were affected by fin length, ratio, and elevation angle.

Meta Quest 3 512GB

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

Testosterone-producing Leydig cells successfully generated from iPS cells

Scientists at Kobe University have successfully generated testosterone-producing Leydig cells from human iPS cells, a significant step towards developing a regenerative medicine treatment for late-onset hypogonadism. The induced cells expressed genes specific to Leydig cells and produced functional testosterone.

Disinformation trumps honesty in competition for social influence

A study published in iScience reveals that strategic disinformation can outperform honesty in winning over and retaining human clients in a competitive environment. The researchers found that misreporting evidence about facts that clients care about is an effective strategy for social influencers to gain an advantage over their rivals.

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.

The livelihood "quandairy" of milk producers in a disrupted market

Research from the University of Göttingen reveals that milk producers in Cameroon employ strategies such as dairy-focused training and farm diversification to maintain their livelihoods after a supply chain disruption. The study's findings highlight the importance of adequate support for smallholder producers.

In the quantum realm, not even time flows as you might expect

A new study shows that quantum systems can exist in a superposition of forward and backward time flows, blurring the traditional concept of time. This phenomenon has practical implications for quantum thermodynamics, potentially offering advantages in thermal machines and refrigerators.

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.

New £11.6 million PhD Program for health research in underrepresented populations

The Health Advances in Underrepresented Populations and Diseases (HARP) PhD Programme aims to address health disparities by training 32 healthcare professionals to research diseases affecting underrepresented groups. The programme provides support for clinicians to gain research experience, with the goal of improving health outcomes fo...

Chemists design "molecular sea of flags"

Researchers create large molecular rings that self-assemble into a sheet-like structure on surfaces, allowing for adjustable mesh size and attachment of bulky molecules. This technology has the potential to enable novel catalysts and measure nanomechanical properties of proteins.

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.

Molecular analysis reveals the oldest denisovan fossils yet

A team of researchers has extracted and analyzed ancient proteins and DNA from nearly 4,000 bone fragments at Denisova Cave, yielding five human bones with intact biomolecules, dating back to 200,000 years ago. The findings provide robust insights into the first occupants of the cave and their archaeological signature.

Spinal muscular atrophy: Charité study confirms efficacy of gene therapy

A Charité study confirms the efficacy of gene therapy in improving muscle function and reducing mortality in children with spinal muscular atrophy. The treatment, onasemnogene abeparvoven, was found to be effective in children under two years of age, offering a promising alternative to existing treatments.

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.

COVID-19 : Measuring viral RNA to predict which patients will die

Researchers at Université de Montréal developed a statistical model using blood biomarkers to predict which patients are most at risk of dying from COVID-19. The model is based on the amount of viral RNA in the blood and has been validated on two independent cohorts, showing high predictive accuracy.

Fluke 87V Industrial Digital Multimeter

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