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Science News Archive March 2021


Page 8 of 53

How AI beats spreadsheets in modelling future volumes for city waste management

A recent study by researchers at the University of Johannesburg shows how AI can forecast municipal solid waste in a large African city. By using machine learning algorithms and combining data from various sources, including census data and landfill site records, the team was able to predict the city's waste management needs until 2050...

Researchers first to link silicon atoms on surfaces

A team of researchers from the University of Münster has developed a highly efficient method to produce silicon polymers using surface chemistry. The breakthrough allows for the creation of long polymers with mild reaction conditions, paving the way for new material properties and potential applications as organic semi-conductors.

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.

Extra 100 million years before Earth saw permanent oxygen rise

The permanent rise of oxygen in the Earth's atmosphere, a pivotal period in Earth's history, occurred 100 million years later than thought. This change led to a 1.5 billion year period of climatic stability before another major period of rising oxygen and climate instability.

Glaucoma linked to increased risk of dementia

Researchers at Flinders University in Australia have found a link between normal-tension glaucoma and cognitive impairment, with patients having this type of glaucoma being more than twice as likely to develop dementia. The study suggests that normal-tension glaucoma may share similar neurodegenerative pathways with dementia.

Paying to clear-cut the rain forests

A new study reveals that rich countries' consumer demands for products like soybeans, cocoa, and timber lead to increased deforestation in poorer nations. The research found that different tree types have varying environmental impacts, and that policies aimed at preserving forests must also alleviate poverty.

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.

COVID-19 news from Annals of Internal Medicine

New studies published in Annals of Internal Medicine reveal significant disparities in COVID-19 testing, positivity, confirmed cases, and mortality rates across different populations. These findings highlight the need for targeted interventions to address health inequities in the US healthcare system.

Laser lights the way

Researchers at the University of Tokyo have developed a new way to observe laser interactions, enabling accurate control over laser-based manufacturing processes. The discovery could lead to significant improvements in precision and efficiency in industries such as laboratory, commercial, and industrial applications.

Apple iPhone 17 Pro

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

Lab model offers hope for macular degeneration patients

Researchers at the University of Rochester have developed a 3D lab model mimicking the human retina affected by age-related macular degeneration. The model combines patient-derived tissues with bioengineered synthetic materials, allowing for targeted drug therapies and potential individual treatments.

How will climate change affect hailstorms?

A global review of hail trends suggests climate change will lead to increased hailstorm frequency in most regions, particularly Australia, while reducing it in East Asia and North America. Hail severity is expected to increase globally due to warmer temperatures and increased atmospheric instability.

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.

Calcium-sensing receptor of immune cells and diseases

Researchers found that calcium-sensing receptor (CaSR) is expressed in neutrophils, monocytes/macrophages, and T lymphocytes, regulating cytokine secretion, chemotaxis, and ligand delivery. This receptor also contributes to the development of several diseases, including sepsis, cryopyrin-associated periodic syndromes, and rheumatism.

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.

COVID-19: A retrospective by the numbers

The article reviews COVID-19 editorials, discussing epidemiological and clinical dimensions of the pandemic. Experts question US vaccination priorities, suggesting a focus on over-65 population could spare more lives globally.

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.

Climate change significantly increases population displacement risk

A recent study published in Environmental Research Letters finds that climate change greatly increases the risk of flood-related displacement, with a 50% increase for each degree of global warming. Even if population growth is stabilized, the risk will still rise significantly, with projected increases of up to 110% by the end of this ...

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 simple, no-cost way to increase organ donor registrations

Researchers from several universities and institutions found that intercepting customers with promotional materials and simplified registration forms increased new organ donor registrations by up to 80%. The study aims to reduce the intention-action gap in organ donation by leveraging behavioral science.

Women with sensory loss twice as likely to suffer depression

A new study by Anglia Ruskin University found that women with sensory loss are more than twice as likely to report depression and anxiety as men. Women with dual sensory impairment were almost three and a half times more likely to experience depression.

International investigation discovers bald eagles' killer

An international investigation has confirmed that a lethal cyanobacteria toxin is killing bald eagles and other wildlife in Arkansas lakes. The toxin, known as aetokthonotoxin, is produced by the invasive aquatic plant Hydrilla verticillata and causes neurological disease in affected animals.

Fluke 87V Industrial Digital Multimeter

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

Gray's beaked whales 'resilient' to ecosystem changes

Researchers found that Gray's beaked whales have high genetic diversity and flexible social systems, allowing them to adapt to changing conditions. The species' ability to thrive in the face of environmental shifts could provide insights into how other deep-sea animals respond to rapid ecological change.

Ancient genomes trace the origin and decline of the Scythians

The study of 111 ancient genomes sheds light on the history of the Scythians, a legendary horse warrior culture. Genetic analysis reveals two main sources of origin for nomadic Iron Age groups, with one from the Altai Mountains and another from the western Ural Mountains.

A stable copper catalyst for CO2 conversion

Researchers at Ruhr-University Bochum and University of Duisburg-Essen developed a stable copper catalyst for CO2 conversion using boron. The catalyst's selectivity and long-term stability were improved, enabling the formation of larger carbon compounds that can be used as base chemicals or fuels.

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.

Mapping COVID risk in urban areas: a way to keep the economy open

Researchers developed a COVID Risk Assessment and Mapping (CRAM) framework to identify city neighborhoods at highest risk of an outbreak. The framework uses GIS technology to create a zoned map with color-coded risk zones, helping officials place targeted restrictions in high-risk communities.

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.

How COVID-19 affects the brain

A recent study published in JAMA Network explores how COVID-19 affects the brain, highlighting potential mechanisms behind brain dysfunction. The research suggests that SARS-CoV-2 infection may cause inflammation and damage to specific brain regions.

How much peanut does it take to trigger an allergic reaction?

A new study estimates an 'eliciting dose' for peanut allergies, revealing that tiny amounts can trigger reactions in some individuals. The researchers found that exposure to 0.052 milligrams of peanut protein is likely to cause or elicit an allergic reaction in 1% of patients.

Controlled scar formation in the brain

Researchers at Charité - Universitätsmedizin Berlin have identified a new role for the protein drebrin in controlling scar formation and astrocyte reactivity following brain injury. This mechanism, which regulates membrane trafficking, may hold promise for treating neurological disorders such as Alzheimer's disease.

Sorting out nanodiamonds with fluorescent centers

Researchers at Hokkaido University have developed a technique to manipulate nanodiamonds with fluorescent centers using opposing lasers. This breakthrough enables the independent control of resonant and non-resonant nanodiamonds, which can be sorted based on their optical properties.

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.

Video gamers skills enhanced by training 10 minutes a day

Researchers at Lero found that novice gamers benefit most from tDCS before training sessions, improving performance on complex sensory-motor actions. The study suggests that neurostimulation can accelerate motor performance improvements in novice esports participants.

Rural US has more heart failure deaths than urban areas

A new Northwestern Medicine study reveals significant disparities in heart failure mortality rates between rural and urban areas, with rural areas experiencing higher death rates. The research also highlights race disparities among Black adults under 65 years old.

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.

DNA--Metal double helix

A team developed a novel approach to generate precisely controlled, helical palladium-DNA systems that mimic the organization of natural base pairs in double-stranded DNA molecules. The process is based on self-organized assembly of a special palladium complex and single-stranded DNA molecules.

Study exposes global ripple effects of regional water scarcity

A new study reveals that regional water scarcity has far-reaching impacts on the global economy, with changes in global demand affecting river basins worldwide. The research found positive and negative economic outcomes in every region considered, depending on factors like water supply and agricultural production.

Research group identifies potential therapeutic target for lupus

A multidisciplinary research group discovered that inhibiting IRE1α, a molecule activated by the endoplasmic reticulum in neutrophils, counters disease progression in lupus mice. The study found that abnormal activation of this pathway tracks closely with disease severity.

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.

The persistent danger after landscape fires

Researchers from the University of Vienna detected high concentrations of environmentally persistent free radicals (EPFR) in charcoal samples from fires worldwide. These toxic chemicals can persist for years and may harm ecosystems and human health, posing a significant threat after landscape fires.

How teeth sense the cold

Research reveals that teeth contain cold-sensitive proteins called odontoblasts, which detect temperature changes and trigger pain signals to the brain. This discovery explains how clove oil eases toothaches and may lead to new treatments for tooth sensitivity.

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.