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Science News Archive 2021


Page 73 of 510

Giving AI penalties to get better diagnoses

A new study improves AI diagnoses by penalizing algorithms for false negatives, which can be more urgent than accuracy. Researchers achieved significant improvements in precision and recall for chronic kidney disease and other conditions using cost sensitivity techniques.

Apple iPhone 17 Pro

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

Is ski tourism heading downhill thanks to climate change?

Staffordshire University researchers investigate the impact of melting snow and ice on ski tourism. Despite environmental changes, tourists prioritize mountains, scenery, and hiking opportunities, highlighting the need for adaptation and diversification in the industry.

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.

Viral lessons from supercomputing

The PRACE COVID-19 Fast Track Call allocated thousands of years of computer simulations to help fight COVID-19, yielding key lessons for the scientific community. Researchers across Europe used over half a billion core hours of HPC resources to tackle various aspects of the pandemic.

Meta Quest 3 512GB

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

Study casts doubt on theory that women aren't as competitive as men

A new study suggests that women are just as competitive as men in competitions, and that their reluctance to take risks is not the cause of the gender wage gap. Researchers found that when given the option to share winnings with losers, women were more likely to compete and excel.

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.

A superconducting silicon-photonic chip for quantum communication

Researchers have developed a superconducting silicon-photonic chip for quantum communication, enabling optimal Bell-state measurement of time-bin encoded qubits. This breakthrough enhances the key rate of secure quantum communication and removes detector side-channel attacks, significantly increasing security.

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.

Pandemic solitude was positive experience for many

A study of over 2000 participants found that time spent alone during the pandemic led to improved well-being scores, with 43% describing activities as a source of competence. Adults experienced disrupted well-being and negative mood less frequently than teenagers, highlighting the importance of solitude for mental health.

Lung model proves viability of spectroscopy technique

A lung model mimicking complex anatomy has enabled the assessment of respiratory volumes using a gas-in-scattering-media absorption spectroscopy (GASMAS) technique. The study demonstrates the feasibility of GASMAS to sense changes in gas volume in a controlled environment, paving the way for potential clinical applications.

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.

Plasmon-induced trap filling at grain boundaries in perovskite solar cells

A novel core-shell plasmonic metal nanostructure enhances coupling with perovskite material, effectively filling deep level trap states at grain boundaries. The incorporation of this technology improves photo-generated current and device performance by increasing open circuit voltage and filling factor.

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 5:2 diet - a good choice for gestational diabetes

New research from the University of South Australia finds that the 5:2 diet is just as effective as a continuous energy-restricted diet in achieving weight loss and preventing type 2 diabetes in women with a previous diagnosis of gestational diabetes. The study suggests that this diet offers greater choice and flexibility for women loo...

Mammals’ noses come from reptiles’ jaws

Researchers discovered that mammals developed protruding, flexible noses from reptilian jaws through cellular studies and fossil analysis. This finding explains the origin of mammals' strong sense of smell and provides potential new animal models for studying facial development disorders like cleft palate.

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.

Three-channel Kondo effect discovered in cubic holmium compound

Researchers have discovered a three-channel Kondo effect in a cubic holmium compound using numerical methods, predicting an exotic quantum ground state and potential applications. The study found a residual entropy value at ultra-low temperatures, matching the predicted value by the three-channel Kondo effect.

Army grants to bolster unique, new semiconductor fabrication facility

The Army Research Office and Army Research Laboratory have awarded $5.4 million in grants to support the development of a unique silicon carbide semiconductor fabrication facility at the University of Arkansas. Researchers will focus on producing energy-efficient and heat-resistant integrated circuits for military applications.

Molecular shape puzzles

Researchers designed a fast and efficient way to determine Cilostazol's concentration using molecularly imprinted polymers. The sensor works like a three-dimensional shape puzzle, selectively binding to the target molecule.

Solving complex learning tasks in brain-inspired computers

A new algorithm has been developed to train spiking neural networks, mimicking the human brain's structure and function. This approach enables these powerful, fast, and energy-efficient systems to solve complex tasks like image classification with high precision.

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.

US Bureau of Justice Assistance awards $50,000 to study gun crime

The University of Arkansas will receive a grant to analyze gun crime patterns in Chattanooga, Tennessee, with the goal of reducing frequency of violence. The researchers aim to understand where, when, and at what frequency gun crime occurs to inform evidence-driven practices.

Researchers discover new type of nerve cell in the retina

A team of scientists at the University of Utah has discovered a new type of interneuron in the mammalian retina called the Campana cell. The discovery marks a notable development for the field, as scientists work toward a better understanding of the central nervous system by identifying all classes of neurons and their connections.

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.

Is it worth trying to sway the most staunch climate deniers?

A Boston University researcher found that while many climate deniers are receptive to disinformation, some are also open to the science. Her study suggests that engaging with individuals most vulnerable to climate disinformation is crucial in stopping its spread.

Climate change: We're acting, but are we making a difference?

A study has created a massive database of academic papers documenting global adaptation actions to climate change. The research found that people are taking action, but these efforts tend to be fragmented and may not be enough to deal with the expected effects of climate change.

Drug-like molecule points to novel strategies for cancer therapy

A team of scientists developed a drug-like molecule that can counteract the effects of mutated epigenetic regulators, which are known to drive certain types of cancer. The molecule targets the 'reader' CBX8, which is critical for the proliferation of cancer cells, but more dispensable in healthy cells.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Waste of space

Researchers have discovered a way to manipulate orbiting debris with spinning magnets, allowing for gentler maneuvering and potential repair of malfunctioning objects. The technology has the potential to help clear space junk from Earth's orbit and extend the life of satellites.

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.

Twisted bilayer graphene dances with light

Researchers have discovered that twisted bilayer graphene can guide and control light at the nanometer scale due to its unique interaction with collective electron movements. This property enables the material to be used as a platform for optical sensing of gases and bio-molecules.

Cardiac MRI of myocarditis after COVID-19 vaccination in adolescents

A recent study published in the American Journal of Roentgenology found a link between COVID-19 mRNA vaccination and myocarditis in adolescent males. Cardiac MRI was used to assess suspected myocarditis post-vaccination, with late gadolinium enhancement persisting in two patients undergoing repeat MRI.

A novel way to generate visible light

A research team led by Professor Luca Razzari at INRS has successfully generated coherent, intense visible light pulses with femtosecond duration using a simplified setup. This innovation opens up new possibilities for studying various phenomena in physics, chemistry, and biology.

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.

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.