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Science News Archive 2021


Page 165 of 510

How to double voter turnout and increase representation during local elections

A new study by UC San Diego researchers finds that moving local elections to on-cycle races increases voter turnout and makes the electorate more representative of the population, particularly in terms of race, age, class, and partisanship. The study analyzed California elections over an eight-year period and found significant effects ...

Food claiming to have ‘wild mushrooms’ rarely does

A study found that 95% of fungal species on Earth remain undescribed, leading to inconsistent regulations and potential health risks. The researchers tested 16 food products labeled as containing 'wild mushrooms' and discovered most consisted of cultivated species, including poisonous varieties.

ME associated with cellular energy strain

Researchers found biochemical changes in ME patients' blood, supporting the theory that ME is linked to impaired cellular energy supply. The study identified distinct metabolic signatures and adaptations among patients, which may relate to disease severity.

Apple iPhone 17 Pro

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

NSF awards to Wayne State to impact air quality

Wayne State University researcher Yaoxian Huang received $332,689 for a three-year research study to improve understanding of reactive nitrogen from snowpack and transportation. The project aims to provide scientific support for air quality management and promote air quality education for future generations.

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.

Statistics say large pandemics are more likely than we thought

A new study estimates the intensity and frequency of extreme novel pandemics, finding that large pandemics like COVID-19 are relatively likely due to growing risks. The study suggests that a pandemic similar in scale to COVID-19 is likely within 59 years, highlighting the need for adjusted perceptions of pandemic risks.

Birmingham scientists discover new piece of clotting puzzle

Researchers identify novel mechanism of formation of procoagulant platelets activated by S100 A8/A9 binding to the GPIbα receptor, a previously unknown target for anti-coagulant therapies. This discovery may lead to new treatments and prevention strategies for inflammatory and thrombotic diseases.

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.

Mathematical model predicts best way to build muscle

A mathematical model developed by researchers at the University of Cambridge can predict the optimum exercise regime for building muscle. The model takes into account individual physiology and optimizes exercise regimes based on user input, promising to maximize athletes' potential.

A novel function of noncoding RNA in senescence and cancer

Researchers discovered that noncoding RNA derived from pericentromeric repetitive sequences upregulates SASP-like inflammatory gene expression by disturbing chromatin interactions. hSATII RNA is highly detectable in cancer cells and supports tumor development via small EVs, highlighting a new role in age-related pathologies.

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.

Survival strategy of starving spruces trees: The critical role of reserves

Trees continue to form reserves even during long periods of starvation, contrary to the assumption that they only form when photosynthetic conditions are favorable. As CO2 starvation progresses, trees stabilize their reserve levels and divert resources to storage, allowing them to survive climate extremes.

To understand future habitat needs for chimpanzees, look to the past

A new study provides insight into where chimpanzees avoided climate instability during glacial and interglacial periods in Africa over the past 120,000 years. The findings help increase understanding of how climate change impacts biodiversity and how to mitigate predicted biodiversity loss.

Bringing order to chaotic bubbles can make mining more sustainable

Researchers at Columbia University School of Engineering and Applied Science have developed a new technique to structure chaotic bubbles, enabling more efficient separation of useful metals from useless particles. This method uses vibrations to control the motion of bubbles, leading to reduced energy and water usage in mining.

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.

Berkeley Lab mathematicians build an algorithm to ‘do the twist’

Researchers at Lawrence Berkeley National Laboratory have created a new mathematical algorithm to decipher the rotational dynamics of twisting particles in complex systems. By analyzing X-ray scattering patterns, they can gain insights into the function and properties of materials.

TSIM: A model for telehealth

The Telehealth Service Implementation Model (TSIM) offers a comprehensive approach to developing and sustaining successful telehealth programs. TSIM addresses key challenges such as provider and patient engagement, technical, financial, regulatory, and administrative burdens.

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.

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.

Volcanoes acted as a safety valve for Earth’s long-term climate

Scientists discovered that volcanic arcs, including chains like the Andes and Cascades, played a crucial role in regulating atmospheric CO2 levels over the past 400 million years. This natural feedback mechanism helped maintain a stable climate, but recent human-driven emissions have disrupted this balance.

Eyes provide peek at Alzheimer’s disease risk

A new study from University of California - San Diego suggests that protein deposits in the retina and brain may be a sign of Alzheimer's disease risk. Retinal imaging may potentially serve as an early biomarker for detecting AD risk, offering a non-invasive alternative to traditional brain scans.

Volcanism drove rapid ocean deoxygenation during the time of the dinosaurs

Research from UBC and HKU Earth scientists reveals that massive volcanism played a key role in triggering oceanic anoxia, with CO2-induced environmental warming creating 'dead zones' over short timescales. The findings provide important insights into the sensitivity of the Earth system to global biogeochemical cycles and marine biology.

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.

Scientists develop brain organoids with complex neural activity

Researchers at UCLA developed brain organoids that mimic human brain structure and function, allowing for the study of neurological disorders like Rett syndrome. The organoids showed organized waves of activity similar to those found in living brains and responded to treatment with an experimental drug.

Fluke 87V Industrial Digital Multimeter

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

Delayed care for juvenile new-onset type 1 diabetes

A Swedish study found that 43% of children with new-onset type 1 diabetes did not receive hospital treatment on the same day as primary care contact. Delayed care can lead to life-threatening conditions like diabetic ketoacidosis. Improved awareness and rapid treatment are crucial for preventing complications.

The science of ants' underground cities

Researchers at Caltech studied ant digging habits and uncovered mechanisms guiding their tunnel construction. Ants use efficient techniques to minimize work, digging straight tunnels along cup edges, and sensing force chains to avoid digging there.

Meta Quest 3 512GB

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

The Hobbit’s bite gets a stress test

A study on Homo floresiensis found its bite could exert around 1300 Newtons of force, comparable to modern humans and some extinct cousins. This suggests that the Hobbit might have been at greater risk of facial bone strain or dislocation when biting hard foods.

Alleviating inflammation by NO-scavenging and delivering drugs

A new hydrogel platform has been developed to alleviate inflammation in rheumatoid arthritis by selectively removing nitric oxide. The hydrogel, when injected into the affected area, collects and eliminates excessive NO, reducing inflammation and alleviating symptoms.

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.

Layered graphene with a twist displays unique quantum confinement in 2-D

Scientists detected electronic and optical interlayer resonances in bilayer graphene by twisting one layer 30 degrees, resulting in increased interlayer spacing that influences electron motion. This understanding could inform the design of future quantum technologies for more powerful computing and secure communication.

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.

Digging into 400 Wh kg−1 Li–S batteries

High-energy-density Li–S batteries have been evaluated for their cycling lifespan, showing that considerable lithium polysulfides exist in the electrolyte despite high specific capacities. The actual capacity loss is mainly attributed to dissolved sulfur species rather than Li anode depletion.

Synthetic tissue model with blood vessels

Scientists create a cell culture system where blood vessels can grow within a framework made of synthetic materials. The team investigates material properties that promote blood vessel formation and refines the model to improve its performance, paving the way for growing implantable tissues.

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.

Solar gains stack up

Researchers have developed a new structure and materials for tandem solar cells, enabling more light to be captured and energy converted effectively. The n-i-p configuration achieved a significant improvement in power-conversion efficiency, exceeding 27%, surpassing previous best values.

Making nylon 6-6 ‘greener,’ and without zinc

A team of researchers has developed a method to produce nylon 6-6 without using the environmentally endangered element zinc. They achieved this by using alternative metals such as iron and cobalt, and harnessing the power of solar energy. The new process reduces energy consumption, saves water, and minimizes hazardous chemicals.

Polymer electrolytes for all-solid-state batteries without dead zones

Researchers developed a novel block copolymer electrolyte that controls structure through electrostatic interactions, enhancing ionic conductivity. The new nanostructure enables significant enhancement in conductivity compared to typical two-dimensional structures, paving the way for safer all-solid-state batteries.

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.