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Science News Archive 2022


Page 152 of 448

Slugs, snails are not alone in causing rat lungworm disease in humans

Research reveals that 32 species of animals, including prawns, crabs, and lizards, can act as carriers of the rat lungworm parasite, which can cause serious illness and death. The study aims to raise awareness about paratenic hosts and prevent infection by avoiding eating raw or infected animals.

A topology-based bounded rationality day-to-day traffic assignment model

The study introduces a new day-to-day traffic assignment model that incorporates bounded rationality, suggesting users consider topological similarity when making travel choices. This leads to the concept of Boundedly Rational User Equilibrium (BRUE), where routes with low cost variations are used.

Seven ORNL technologies win R&D 100 research awards

ORNL researchers have won seven 2022 R&D 100 Awards for their advancements in materials science, machine learning, and energy storage. DuAlumin-3D, a high-strength aluminum alloy, and Gremlin, an AI system to identify weaknesses in machine learning models, are among the winning technologies.

How do molecular motors convert chemical energy in to mechanical work?

A team of scientists has provided an intricate blueprint of the RuvB AAA+ motor, which converts chemical energy into mechanical work to perform branch migration in DNA recombination. The research reveals that the motor uses a basic lever mechanism to generate force and moves the DNA substrate through a cyclical manner.

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.

Missing grizzly bear toes results in call to change practices

A UBC Okanagan researcher suggests changing fur trapping practices to prevent accidental grizzly bear toe amputations. By delaying the start of the trapping season from November 1 to early December, trappers can avoid catching bears during their hibernation period.

Plants can measure the intensity of salt stress

Researchers at the University of Münster have identified a specific group of cells in plant roots that react to salt stress, forming a 'sodium-sensing niche' and triggering a calcium signal. This signal is controlled by a calcium-binding protein (CBL8) that helps pump out salt from the plant under severe stress conditions.

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.

Cells: Strong at the right place and time

Cells can be both flexible and strong due to molecular bonds known as catch bonds. These bonds are weak but accumulate at damaged sites to strengthen networks. The discovery has implications for understanding diseases such as kidney failure and cancer.

The talking dead: burials inform migrations in Indonesia

Researchers from ANU uncovered three ancient burials on Alor Island, showcasing different mortuary practices that may relate to multiple migratory routes. The findings provide new data for understanding the evolution and diversification of burial practices in Southeast Asia.

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.

Plants reprogram their cells to fight invaders. Here's how

Researchers have discovered the key components in plant cells that trigger 'wartime' protein production in response to pathogens. This mechanism allows plants to rapidly produce defense proteins while balancing resources between growth and defense, a delicate process that could inform strategies for creating disease-resistant crops.

The sands of Mars are green as well as red, rover Perseverance discovers

The Perseverance rover has discovered rocks on Mars that are composed of large grains of olivine, a muddier version of peridot that tints many beaches dark green. These findings suggest that the planet had liquid water, air, and a magnetic field in the past, conditions similar to those when life first arose on Earth.

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.

Researchers find less risky way to monitor breast cancer progression

Analyzing patient plasma is less risky than traditional tissue biopsies, providing similar molecular information for treatment decisions. The study found high-resolution gene profiles and estrogen receptor binding patterns in cfDNA, paving the way for new therapies and predictive models.

Eye movements in REM sleep mimic gazes in the dream world

Researchers at UCSF found that eye movements during REM sleep are coordinated with the direction of gaze in the virtual dream world. This suggests that dreams may be a way for the brain to integrate information gathered throughout the day and create a 'perfectly harmonious fake world'.

Meta Quest 3 512GB

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

Making bike-sharing work

A new optimization model aims to improve the efficiency of bike-sharing systems by predicting user demand and adjusting service operations accordingly. The model has shown promising results, reducing problems by 41% compared to no rebalancing.

Apple iPhone 17 Pro

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

Spotting the human-driven snags in global sustainability quest

A new study developed a novel way to understand how human activities cause unintended consequences on sustainable development goals. Researchers used China's Wolong Nature Reserve as a demonstration site and found that efforts to promote one goal often result in unintended impacts on others.

Reconstructing ice age diets reveals unraveling web of life

A study reveals that over 50% of mammal food web links have disappeared due to animal declines, leading to a collapse of global ecosystems. Restoring extinct species to their historic ranges holds great potential to reverse these declines and restore food web complexity.

Campus to cosmos: Illinois researchers 3D print carbon films

Researchers at the Beckman Institute for Advanced Science and Technology have discovered an efficient and sustainable method for 3D-printing single-walled carbon nanotube films. The method uses powder, ink, and 3D printing to produce durable and conductive materials ideal for space exploration, wearable electronics, and more.

ACC issues guidance to address new nonstatin therapies

The American College of Cardiology has published an expert consensus decision pathway on the role of nonstatin therapies for LDL-C lowering in the management of atherosclerotic cardiovascular disease (ASCVD) risk reduction. The guidance provides recommendations for individuals at high-risk and those with familial hypercholesterolemia, ...

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.

Powering an ‘arm’ with air could be mighty handy

Researchers at Rice University have developed a pneumatic robotic arm powered by compressed air that can grasp objects and go, using textile-based energy harvesting system. The device is designed for individuals with disabilities and can produce equivalent of 3 watts of power, outperforming other energy harvesting strategies.

New research tracks the history of manatees across Earth’s oceans

A new study sheds light on the ancestry of manatees, tracing their evolution back 47 million years to northern Africa. The research suggests that modern manatees migrated from South America to the Caribbean and North America around 34 million years ago, with some species thriving in communities for millions of years.

The Southern Arc and its lively genetic history

The study investigated the homeland of Indo-European languages and found that their ancestors originated in West Asia. The genetic results suggest a web of pan-regional contacts between early farming communities, providing new evidence for the complex process of Neolithic transition.

New drug expands treatment opportunities for rheumatoid arthritis

A new drug has proven effective in treating rheumatoid arthritis, with results at least as good as the current 'gold standard' treatment. The medication targets a specific messenger molecule involved in inflammation and joint damage, offering a new approach to managing autoimmune disease.

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.

A global vision for the ocean

A new scientific article highlights the need for a global ocean vision to guide marine policies, plans, and programs. The authors propose incorporating Strategic Environmental Assessment (SEA) into international agreements to develop this holistic approach.

Celestron NexStar 8SE Computerized Telescope

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

What makes the human brain different? Yale study reveals clues

A Yale study reveals species-specific and human-specific features in the prefrontal cortex of four primate species, including a unique microglia type and the presence of the FOXP2 gene. These findings suggest that human brain cells may play a role in immune responses to environment and neuropsychiatric diseases.

Using mRNA, Tufts researchers teach muscle cells to produce antibodies

Researchers at Tufts University have developed a novel mRNA-based approach to generate complex antibodies in muscle cells, which can be used to treat various diseases including botulism and cancer. The technique has shown promising results in neutralizing lethal doses of botulinum neurotoxins in mice.

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.

Novel coronaviruses are riskiest for spillover

Scientists have developed network-based models to prioritize novel viruses for their zoonotic transmission risk, with coronaviruses found to be the riskiest. The models also ranked paramyxoviruses, such as those causing measles and respiratory tract infections, as high priorities.

First experimental demonstration of antiskyrmions

Magnetic antiskyrmions are stabilized in magnetic crystals and exhibit unique properties. The Forschungszentrum Juelich team successfully demonstrated the existence of these objects through high-resolution electron microscopy and advanced simulations.

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.

Microscopy reveals mechanism behind new CRISPR tool

Researchers at Cornell University have discovered a new CRISPR system called Craspase, which has the potential to develop promising antiviral and tissue engineering tools in animals and plants. The study uses cryo-electron microscopy snapshots to explain how Craspase identifies RNA targets and activates proteases.

DNA analysis shows Griffin Warrior ruled his Greek homeland

Researchers discovered the Griffin Warrior likely grew up near the seaside city he would rule and was from wealthier social status. Ancient DNA analysis showed that around 5,000 years ago, people with ancestry from Eastern Europe spread across the European continent and into Western Asia.

Molecular switch controls life expectancy

A new study reveals that the protein CHIP can regulate insulin receptor signals more efficiently alone than in a paired state. This finding suggests that maintaining a balance between monomeric and dimeric states of CHIP is crucial for proper cellular function.

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.

Study shows how Black male teacher-coaches illustrate civic-focused education

A study by University of Kansas faculty member Daniel Thomas III founds Black male teacher-coaches in predominantly white private schools employ unique civic-oriented practices to counter historical anti-Blackness. They engage students and athletes in social activism, community service, and critical civic engagement.

Efficient AI technology for MRI data analysis

Researchers developed an AI algorithm that can learn independently from multiple medical institutions without compromising data privacy. The algorithm outperformed traditional methods and has the potential to revolutionize digital medicine by reducing radiologists' workloads and making AI-based solutions more affordable.

Preparing for water scarcity using hybrid desalination technologies

Researchers at KIST have developed a hybrid membrane distillation module that combines solar energy with hydrothermal heat pumps to reduce thermal energy consumption during the desalination process. The technology has shown improved production rates and reduced energy usage compared to traditional methods, making it a potential solutio...

NASA’s Webb detects carbon dioxide in exoplanet atmosphere

The James Webb Space Telescope has captured clear evidence of carbon dioxide in the atmosphere of a gas giant planet outside the solar system. The detection, made using the telescope's Near-Infrared Spectrograph, provides insights into planetary composition and formation.