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Science News Archive 2021


Page 124 of 510

Cloud-spotting on a distant exoplanet

Clouds have been detected on the distant exoplanet WASP-127b, and their altitude has been measured for the first time. The observations reveal that water vapor is present at lower levels but screened by clouds opaque to visible light, while sodium is found in an unexpected place.

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.

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.

First observation of energy-difference conservation in optical domain

A research team at POSTECH observes synchronized oscillations of optical intensity and symmetry-breaking transitions at an exceptional point. They also discover energy-difference conservation for the first time in the optical domain using APT symmetry platforms based on nonlinear four-wave-mixing.

Scientists ID sterol essential for oil accumulation in plants

A team of scientists at Brookhaven National Laboratory has identified a key component of the assembly line responsible for oil droplet formation. The study suggests new ways to engineer plant tissues for increased oil accumulation, which could lead to sustainable oils for biofuels and other commodity products.

Serum biomarker of fibrosis predicts kidney function decline

A serum biomarker, polyubiquitinated phosphatase and tensin homolog (PTEN), was associated with a four-fold higher risk of kidney function decline. This modified form of PTEN was linked to severity of lesions in kidney structure, indicating early manifestations of diabetic kidney disease.

Apple iPhone 17 Pro

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

New avenue for study of diseases like multiple sclerosis

Scientists at Ann & Robert H. Lurie Children's Hospital of Chicago discovered a surprising link between growth factor receptor PDGFRA and hypomyelination in mouse models. The study suggests that blocking this receptor could be a novel strategy to treat myelination disorders like multiple sclerosis.

Artificial intelligence brings better hurricane predictions

A new machine learning approach has been developed by researchers at the Department of Energy's Pacific Northwest National Laboratory to improve hurricane intensity predictions. The model uses artificial intelligence techniques and can run on a commercial laptop, offering more accurate forecasts than existing models. It also enables th...

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.

A sedentary lifestyle can lead to more nighttime hot flashes

A new study suggests that sedentary behavior can increase the likelihood of nighttime hot flashes in midlife women. The research found that sedentary behavior independently predicts objective and subjective hot flash experience, even when accounting for moderate-to-vigorous activity levels.

Buck researchers provide a framework to study precision nutrigeroscience

Researchers at Buck Institute for Research on Aging provide a framework for precision nutrigeroscience to study the need for individualized dietary interventions. Studies in fruit flies show that lifestyle and genetics impact lifespan and healthspan, leading researchers to challenge the field to adopt a more nuanced approach.

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.

Hubble finds distant galaxies that ran out of fuel

A team of astronomers has observed six massive galaxies in the early universe that have mysteriously stopped forming stars due to depleted gas reserves. The discovery was made possible by the Hubble Space Telescope's high resolution and gravitational lensing, allowing researchers to study these galaxies in unprecedented detail.

Contact-tracing apps could improve vaccination strategies

Mathematical modeling suggests that contact-tracing apps can help achieve herd immunity by identifying individuals with greater exposure to others and targeting them for vaccination. The approach, known as 'hot-spotting,' could reduce the number of vaccine doses needed by up to half.

Dog parasite is developing resistance to treatments

Researchers find hookworms resistant to multiple drugs used to treat them, with high prevalence in racing greyhounds. The study's results highlight the importance of regular deworming and caution against dog parks as potential breeding grounds for drug-resistant parasites.

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.

SARS-CoV-2 screening in an urban public school district

Weekly saliva polymerase chain reaction testing in asymptomatic staff and students in an urban public school district significantly increased SARS-CoV-2 case detection, surpassing county-level infection rates. This study highlights the effectiveness of targeted screening strategies in reducing COVID-19 transmission.

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.

Wind energy can deliver vital slash to global warming

New research from Cornell University suggests that accelerating wind-energy technology deployment can achieve significant reductions in greenhouse gas emissions, with potential to reduce global warming atmospheric average temperatures of 0.3 to 0.8 degrees Celsius by the end of the century. The study confirms that advancing wind energy...

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.

First glimpse of hydrodynamic electron flow in 3D materials

A team of researchers from Harvard, MIT, and the Max Planck Institute developed a theory to explain how hydrodynamic electron flow could occur in 3D materials. They observed it for the first time using a new imaging technique, providing evidence of strong interactions between electrons in high-density materials.

Could a novel light therapy help people with Alzheimer's?

Researchers at Mount Sinai Hospital are testing a novel light therapy to slow Alzheimer's debilitating effects, aiming to improve both cognition and sleep. The treatment involves flashing pulses of light designed to enhance electrical brain waves and reset the sleep-wake cycle.

Winged microchip is smallest-ever human-made flying structure

Researchers at Northwestern University have developed a flying microchip that can monitor air pollution, airborne diseases, and environmental contamination. The device, about the size of a grain of sand, uses wind to generate flight, stabilizing its trajectory through aerodynamic optimization inspired by nature.

Fluke 87V Industrial Digital Multimeter

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

Phyllotaxis-inspired nanosieves with multiplexed orbital angular momentum

Researchers developed phyllotaxis-alike vortex nanosieves that can generate multiple optical vortices within a single nano-device, enabling compact and efficient multiplexing of orbital angular momentum. The design uses judiciously arranged nanoholes on metal films to create multiple spiral patterns, each contributing to a specific OAM...

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.

Social robots may be more persuasive if they project less authority

A new study from the University of Toronto suggests that social robots could be more persuasive if they project less authority. The research found that people are more likely to accept advice or instructions from a robot when it is presented as a peer helper rather than an authoritative figure.

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.

Recording roman resource exploitation and urban collapse

The Roman occupation of Carthage resulted in environmental degradation and economic collapse, as evidenced by the abandonment of the city of Zita in AD 200. Archaeological analysis indicates a shift from agricultural goods like olive oil to metal production, which led to unsustainable economic practices and eventually urban collapse.

Quantum cryptography Records with Higher-Dimensional Photons

A team at TU Wien developed a new quantum transmission protocol using eight different paths for each photon, generating a record-breaking entanglement-based quantum key. This protocol is more robust against interference and allows for faster data transmission.

Wide heads help sperm swim together

Researchers used machine learning to discover that sperm with a wide head relative to length are more likely to clump together and swim collectively, a rare behavior that sometimes helps them reach an egg faster. The study provides a new method for understanding how form and function are related in cells with complex behaviors.

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.

Expanding teleworking would reduce pollution by up to 10%

A study by ICTA-UAB finds that implementing teleworking two, three or four days a week would reduce nitrogen dioxide levels by 4%, 8% and 10%. This is achieved through a decrease in traffic-related emissions, with the greatest reduction expected when all employees in the service sector work from home.

Celestron NexStar 8SE Computerized Telescope

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

Meta Quest 3 512GB

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

Unveiling galaxies at cosmic dawn that were hiding behind the dust

Researchers used ALMA to observe distant galaxies and discovered two new, dusty galaxies near original targets, challenging our understanding of early galaxy formation. The discovery suggests that a significant portion of early galaxies may be hidden from view due to cosmic dust.

Adults with neurologic conditions more likely to have experienced childhood trauma

A study published in Neurology Clinical Practice found that adults with neurologic conditions are more likely to have had adverse childhood experiences such as abuse or neglect. The study suggests that early recognition of these high adverse childhood experiences may improve health outcomes for individuals with neurologic conditions.