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Science News Archive February 2021


Page 21 of 45

Getting the lead in

Scientists from Argonne National Laboratory have developed a new anode material using lead and carbon that outperforms current graphite anodes with twice the energy storage capacity. The new design enables stable performance during cycling and improves overall battery efficiency.

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.

Supercomputer turns back cosmic clock

A team led by Masato Shirasaki applied a reconstruction method to turn back the cosmic clock and remove gravitational effects from simulated universes. They found that their method can correct for gravitational effects and improve constraints on primordial density fluctuations.

Asthma deaths 50% more likely in poorest areas compared to richest

A new five-year study of over 100,000 people in Wales found that those from deprived backgrounds have worse asthma outcomes, including higher hospital admissions and risk of death. The study highlights the need for targeted health education strategies to improve asthma management in these communities.

Crocodile evolution rebooted by Ice Age glaciations

A recent study led by McGill University found that the Pacific and Caribbean crocodile populations have been separated for approximately 100,000 years, contradicting previous expectations of 3 million years. This discovery was made possible by reconstructing Ice Age sea levels and analyzing genetic variations in the crocodiles' genomes.

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.

Bacteria and algae get rides in clouds

Researchers from Rutgers University discovered that clouds can carry bacteria and algae, which could impact human health and ecosystems. The study found various types of algae, including cyanobacteria, in cloud water and rainwater collected from France, highlighting the need for further research on these microorganisms.

Climate change likely drove the extinction of North America's largest animals

New research suggests climate change, not overhunting by humans, led to the extinction of mammoths and other megafauna in North America. The findings, based on a new statistical modelling approach, show that drastic temperature swings around 13,000 years ago initiated the decline and extinction of these massive creatures.

Cloudy eyes caused by protein imbalance

A team of researchers found that protein imbalance leads to cataract formation by causing proteins to clump together and become cloudy. The study provides new insights into the causes of this common eye ailment, which may lead to the development of new treatment methods.

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.

Mother's heart health in pregnancy impacts child's heart health in adolescence

A new study from Northwestern Medicine and the Ann & Robert H. Lurie Children's Hospital of Chicago found that children born to mothers with suboptimal cardiovascular health during pregnancy are at higher risk for early declines in their own cardiovascular health, including heart attacks, strokes, and premature deaths.

FRESH 3D-printing platform paves way for tissues, organs

Researchers from Carnegie Mellon University developed a new 3D-bioprinting approach, FRESH, which enables advanced tissue fabrication by holding bioinks in place until they are cured. This method solves the distortion problem of soft and liquid bioinks, enabling the creation of functional adult-sized tissues and organs.

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.

Two NYU faculty win Sloan Foundation Research Fellowships

Elena Manresa and David Schneider, NYU faculty members, have been awarded Sloan Foundation Research Fellowships for their groundbreaking work in economics and neuroscience. The fellowships recognize their creative leadership and independent research achievements.

Sloshing quantum fluids of light and matter to probe superfluidity

An Australian-led team of physicists successfully created sloshing quantum liquids, revealing wavy motion and superfluid properties. The experiment provided insights into the speed of sound and potential effects on superfluidity, shedding light on a promising hybrid light-matter system for ultra-low-energy electronics.

Evolution's game of rock-paper-scissors

Researchers identified a nontransitive evolutionary sequence in a 1,000-generation yeast experiment. The study found that an evolved clone outcompetes its recent ancestor but loses to a distant ancestor due to multilevel selection acting on both the yeast nuclear genome and an intracellular RNA virus.

Apple iPhone 17 Pro

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

Solution to puzzling phenomenon may open door to improved Cold Spray efficiency

An international team of researchers solved a puzzling phenomenon involving vortex-like structures in the Cold Spray deposition process. The discovery, published in Materials & Design, reveals that these structures form when the CS process has low deposition efficiency, leading to improved adhesion between coatings and substrates.

Using a machine model to predict risk of human aneurysms

A team of researchers at the University of Pittsburgh is developing a new model to predict the risk of human aneurysms, using mechanical testing and biomechanical simulations. They aim to identify patients at high risk of rupture and improve patient prognosis by guiding surgical intervention.

Predicting words' grammatical properties helps us read faster

Researchers found that native Russian speakers can precisely predict specific words and grammatical properties of words, with neural network models showing comparable precision. The study also discovered that the neural network predicts low-probability words better than humans and predicts high-probability words worse than humans.

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.

Global poliovirus risk management and modeling

The global polio eradication initiative is facing setbacks due to ongoing outbreaks in Afghanistan and Pakistan, despite significant progress made since 2015. The recent special issue of Risk Analysis evaluates the GPEI strategies and finds that the initiative was off track even before the COVID-19 pandemic disrupted immunization activ...

Highway tunnel for ions

Scientists at IPC PAS designed a novel solution by accelerating ion transport in narrow pores to charge supercapacitors faster. They presented slit-like pores with sizes slightly larger than ions and achieved promising results through complex computer simulations and experiments.

New Australian fossil lizard

A team of researchers from Flinders University and the South Australian Museum discovered a new species of skink, Proegernia mikebulli, in the Namba Formation deposits. The fossil, named after Professor Mike Bull, is Australia's oldest known lizard, dating back to 25 million years ago.

Regular caffeine consumption affects brain structure

A study by researchers at the University of Basel found that regular caffeine intake can change the gray matter of the brain, but these effects are temporary. The study involved 20 healthy young individuals who were given caffeine or placebo tablets for two 10-day periods, with no sleep disruption observed.

New immunotherapy target discovered for malignant brain tumors

Scientists have identified CD161 as a potential new target for immunotherapy of malignant brain tumors, including glioblastoma. The molecule suppresses the cancer-fighting activity of immune T cells, but blocking its pathway enhances the killing of tumor cells and improves survival rates in animal models.

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 identify muscle factor that controls fat metabolism

Skeletal muscle plays a key role in regulating body glucose levels and affects fat storage and metabolism. A new study found that Kruppel-like factor 15 (KLF15) is crucial for skeletal muscle fat uptake and utilization, leading to obesity and metabolic disease.

Posttraumatic stress after natural disasters

A study examined posttraumatic stress symptoms in children and adolescents exposed to major US hurricanes. The results found a significant association between exposure to natural disasters and the development of posttraumatic stress symptoms.

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.

Water is a probable vector for mammalian virus transmission

A research team from Leibniz-IZW found that water can be a vector for spreading mammalian viruses, with equine herpesviruses (EHV) remaining stable and infectious in water. The study suggests that viral stability in restricted freshwater sources enables their spread among animals, particularly during times of stress and congregation.

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.

New skin patch brings us closer to wearable, all-in-one health monitor

Engineers at UC San Diego developed a soft, stretchy skin patch that monitors cardiovascular signals and multiple biochemical levels in the human body. The patch tracks blood pressure, glucose, lactate, alcohol, and caffeine levels, providing a comprehensive overview of the wearer's health.

Evolution of cereal spikes

Scientists have identified a gene responsible for varying cereal spike forms, offering a possible solution to increasing grain yields. The research focuses on the INT-M/DUB1 gene's ability to regulate meristem activity and determine lateral spikelet formation.

Cheap, potent pathway to pandemic therapeutics

Researchers at the University of Pittsburgh School of Medicine have developed a new technique to discover tiny antibody fragments that can target different parts of a pathogen, making them effective against variants. This approach has the potential to quickly identify multiple potent nanobodies that can neutralize pathogens.

Graphene "nano-origami" creates tiniest microchips yet

Researchers at the University of Sussex have created the tiniest microchips using graphene and other 2D materials through a process called 'nano-origami'. By crinkling graphene, they demonstrated that it can behave like a transistor, leading to smaller and faster devices.

Celestron NexStar 8SE Computerized Telescope

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

Women have a lower range of 'normal' blood pressure than men

Research from the Smidt Heart Institute found that women have a lower normal blood pressure range compared to men, with systolic pressures above 110mmHg associated with increased risk of cardiovascular disease. The study's authors recommend reassessing blood pressure guidelines to account for sex differences.

Loss of soil in US Corn Belt

The US Corn Belt has lost around 35% of its organic-rich A-horizon soil through agricultural erosion, leading to a 6% decline in crop yields and $2.8 billion annual economic losses.

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.

Neanderthals and Homo sapiens used identical Nubian technology

A study published in Scientific Reports reveals that Neanderthals used the same Nubian Levallois technology as Homo sapiens, pushing the southernmost known range of Neanderthals. The analysis of a fossil tooth and associated archaeological assemblage suggests a mixing ground between populations.

Scientists developed a novel method of automatic soil mapping

A team of scientists from RUDN University developed a new approach to automatic soil mapping using machine learning technologies. The method, which uses traditional rules for manual mapping, provides highly accurate results and easy-to-interpret maps, outperforming existing statistical models.

Analyzing legislative engagement

A randomized controlled trial found that Congressional offices with targeted support reported increased value of scientific evidence for understanding legislative issues. The intervention group introduced around 23% more bills using research evidence language and reported a 7% greater value of using research evidence compared to controls.

Climatic barriers to dinosaur dispersal

A study found dinosaurs' dispersal coincides with a significant drop in atmospheric CO2 levels around 214 million years ago. This suggests prior climatic barriers prevented their expansion into the Northern Hemisphere for 15 million years.

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.

Epigenetic mechanisms allow native Peruvians to thrive at high altitudes

A study reveals that epigenetic mechanisms, such as DNA methylation, play a key role in the adaptation of native Peruvians to high altitudes. The findings show that early developmental exposures can have persistent impacts on DNA methylation patterns, leading to improved lung volumes and reduced susceptibility to idiopathic pulmonary f...

Can evolution be predicted?

Researchers developed a statistical framework to test and quantify adaptation in complex biological systems, enabling prediction of evolutionary outcomes. The new framework allows for rigorous analysis of organism adaptation to their ecological niche, building bridges between mathematics and biology.

Formation of secondary air pollution components

Researchers discovered that secondary organic aerosols can form quickly through oxidation of primary organic aerosols in humid conditions. This process may explain the decrease in secondary organic aerosol concentrations between 2013 and 2018.

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.

In predicting shallow but dangerous landslides, size matters

A new study aims to predict the size and hazard potential of shallow landslides using airborne laser mapping and hillside physics. The model identifies factors affecting landslide size that can't be determined from aerial data, highlighting the need for ground-based assessments.