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Science News Archive 2021


Page 177 of 510

Researchers identify neurons involved in overdose deaths

Researchers identified a group of neurons in the brainstem that plays a key role in opioid-induced respiratory depression, which causes overdose deaths. Blocking these receptors can restore breathing during an overdose, offering potential new treatment targets.

Celestron NexStar 8SE Computerized Telescope

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

Origins of mutation

A new study has pinpointed nine processes that lead to most human genetic mutations, including inaccurate DNA copying and chemical damage. The research analyzed 400 million rare DNA variants and identified a set of biological processes responsible for heritable human mutations.

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.

Race and address may increase risk for diabetes-related amputation

A recent study found that rates of minor lower extremity amputations increased between 2009 and 2017 in rural and Western American residents, Native Americans, and Asian Americans/Pacific Islanders. Major LEAs rates remained steady during the period with notable increases in White populations and rural areas.

A novel virtual reality technology to make MRI a new experience

Researchers from King's College London created a novel interactive VR system to make MRI scans more accessible for children, people with cognitive difficulties, and those with claustrophobia or anxiety. The system removes the sense of being inside the MRI scanner by providing an immersive VR environment that is continuous throughout th...

Protecting coral reefs more effectively from climate change

Researchers have identified different thermal tolerance mechanisms in corals, with some species exhibiting 'resilient' and 'resistant' responses to heat stress. The findings provide a toolbox for protecting coral reefs worldwide and inform conservation prioritization.

Apple iPhone 17 Pro

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

Cleanup focus on e-waste, oil spills and farmlands

A multi-faceted approach to environmental degradation is being led by Flinders University and Clean Earth Technologies through two federally funded research projects. The focus is on e-waste recycling, oil spill remediation, and the production of world-leading polysulfide polymers.

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.

Changes in growth patterns due to climate change

Scientists investigate how Jurassic belemnites adapted to environmental changes caused by warming, finding differences between species and developmental stages. The study highlights the importance of considering life history and phylogeny when analyzing the impact of climate stress on marine organisms.

What does ride-hailing mean for parking?

Researchers investigate associations between ride-hail trips and on-street parking occupancy in Seattle, predicting decline if ride-hail demand exceeds 2.24 times the 2016 average. Flexible parking policies can manage changes driven by ride-hailing, but cities must plan ahead.

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.

Wildfire simulation heats up

Researchers at KAUST developed a new method to simulate the spread of wildfires through forests, capturing complex dynamics involved. The model accurately predicts fire behavior at forest scale and can be used to optimize firebreaks and improve wildfire management.

More pepper, please

Researchers found that pepper plant fruit scents contain complex mixtures of volatile organic compounds, including alpha-caryophyllene and 2-heptanol, which attract specific bat species. The study suggests bats use these chemical signals to select ripe fruits and find the specific Piper species they eat most.

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.

Rare new orchid species just discovered in the Andes

In Ecuador's northwestern Andes, researchers from WSL and Aves y Conservation identified three new endemic orchid species, including Lepanthes microprosartima and Lepanthes caranqui. These rare species are threatened by habitat destruction and human activities, prompting conservation efforts to protect them.

Will COVID-19 become a mostly childhood disease?

New modeling results suggest that COVID-19 may behave like common-cold coronaviruses, affecting mostly young children who have not been vaccinated or exposed. The overall burden from this disease is expected to decline due to lower severity in children.

Magnetic patterns hidden in meteorites reveal early Solar System dynamics

Scientists have developed a novel technique to analyze magnetites in meteorites, providing a historical record of the early Solar System's dynamics. By studying the Tagish Lake meteorite, researchers infer that the parent body formed in the Kuiper Belt and moved to the asteroid belt after Jupiter's formation.

Meta Quest 3 512GB

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

Global warming begets more warming, new paleoclimate study finds

Researchers observed a 'warming bias' in the Earth's ancient history, with more warming events and greater temperature shifts than cooling events. The study suggests that a multiplier effect may kick back in as ice sheets disappear, leading to further amplification of human-induced global warming.

Improving patient experiences in cancer clinical trials

A first-of-its-kind study from the University of Pennsylvania School of Nursing clarifies the post-trial needs of patients who withdraw from cancer clinical trials. The study defines what constitutes responsible transitions when patients exit CCTs, providing insights into patient experiences and care after withdrawal.

Lung cancer: Hope for increasing immunotherapy efficacy

Scientists investigated a method to enhance immunotherapy for lung cancer and found that combining it with certain chemotherapy drugs could eliminate harmful immune cells. This approach showed promising results in preclinical studies, inducing the regression of about 70% of tumors.

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.

Stanford researchers develop a better way to track methane in the skies

A new model developed by Stanford researchers provides a more accurate baseline for tracking methane emissions from oil and gas operations. The model, which uses bottom-up approach with component-level data, closely approximates top-down inventories and highlights specific activities that should be targeted for remediation or regulation.

Monoclonal antibody prevents malaria in small NIH trial

A new monoclonal antibody called CIS43LS safely prevented malaria for up to nine months in a small clinical trial. The study builds on encouraging early results and will inform additional research to confirm and extend the finding.

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.

Science alone won’t save humpback dolphins

The Indian Ocean humpback dolphin is on the brink of extinction with fewer than 500 individuals remaining in South African waters. A multi-stakeholder approach is necessary to address the cumulative effects of human activities, including coastal construction and pollution, which are impacting population numbers.

Researchers link brain memory signals to blood sugar levels

A new study published in Nature found that brain signals known to help memories form may also regulate metabolism and lower blood sugar levels. Researchers discovered that clusters of hippocampal neurons firing in cycles, called sharp wave ripples, were followed by decreases in blood sugar levels, possibly through the release of hormones.

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.

Understanding lung damage in patients with COVID-19

Researchers used a hamster model to study COVID-19 lung damage, discovering that the immune system's response plays a crucial role in disease progression. They found that certain cells involved in lung immunity ingest the virus, triggering an inflammatory response that can be brought under control by T cells.

New study unveils novel technology for plasma separation using magnets

Researchers at Ulsan National Institute of Science and Technology (UNIST) have developed a novel, hemolysis-free method for separating blood cells from plasma using magnetic forces. The new platform achieved 100% plasma purity and high recovery rates, outperforming conventional methods.

Increasing the immune system’s appetite for cancer protectors

Researchers have developed a two-arm molecule that selectively depletes regulatory T cells in tumors, allowing the immune system to fight off cancers without causing autoimmune diseases. The treatment led to significant tumor shrinkage in mouse models and showed promise for human patients.

Like humans, apes communicate to start and end social interactions

A study published in iScience found that apes purposefully use signals to start and end interactions, similar to human politeness. The researchers observed that the social dynamics between interacting apes affected the communication efforts used, with closer bonobo pairs showing shorter entry and exit phases.

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.

Protecting Earth from space storms

Researchers are working to improve space weather forecasting to prevent power grid damage and satellite communications disruptions. The University of Michigan's Space Weather Modeling Framework uses a global representation of Earth's Geospace environment to predict magnetic disturbances on the ground.

Getting oxygenated blood to exercising muscles

Researchers at ETH Zurich discovered that exercise promotes the formation of thin blood capillaries in muscles by stimulating cell division of endothelial cells with high levels of ATF4. These 'metabolically primed' cells are activated to form new vessels, leading to improved blood supply to exercising muscles.

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.

UNF physics researchers discover new electronic phenomenon

Researchers at UNF's Atomic LEGO Lab have discovered a new electronic phenomenon, asymmetric ferroelectricity, in engineered two-dimensional crystals. This discovery demonstrates the possibility of tailored electronic properties and may lead to interesting technological applications.

Scientists develop chain mail fabric that can stiffen on demand

Researchers created a new type of 'chain mail' fabric with hollow octahedrons that can stiffen up to 25 times its original stiffness when vacuum-packed. This technology has potential applications in bullet-proof vests, medical support for the elderly, and protective exoskeletons.

New COVID-19 vaccine moves ahead

A South Australian-developed SARS-CoV-19 vaccine has shown promising results in early animal testing, confirming its safety and effectiveness in preventing COVID-19 lung infection. The vaccine, named COVAX-19, incorporates an adjuvant derived from a plant sugar called inulin.

Study shows privilege, politics influence vaccine’s racial disparity

Researchers found that socioeconomic privilege and political ideology play a significant role in racial disparities in COVID-19 vaccination rates. Counties with higher median incomes displayed lower disparities, while county-level educational disparities had a greater impact on unequal vaccination rates.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

UIC researchers awarded $9.9 million for Black midwives program

A new health program aims to improve pregnancy outcomes for Black patients by combining four evidence-based strategies, including racially concordant care providers and coordinated care. The five-year study will enroll 432 women and compare their experiences with usual maternity care versus a new model.

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.

Gen Z willing to rent clothes to reduce waste

A study by Washington State University found that Gen Z adults are open to apparel rental services as a way to reduce waste and extend clothing lifespan. Key factors contributing to this trend include the perceived effectiveness of making a difference and a focus on usage over ownership.