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Science News Archive August 2021


Page 13 of 38

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

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.

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 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.

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.

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.

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.

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.

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.

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.

Dispelling false claims of cannibalistic caribs—again

A team of researchers, including Simon Fraser University's Christina Giovas, challenges the validity of a controversial paper claiming Indigenous cannibals migrated to the Caribbean circa AD 800. The study finds no evidence to support this claim, contradicting decades of debunked narratives.

Virtual NBSTRN Newborn Screening Summit: September 1-3, 2021

The Virtual NBSTRN Newborn Screening Summit brought together innovators to expand newborn screening research. The event showcased advancements in technology, advocacy, and clinical care for genetic disease detection, highlighting the importance of collaborations between researchers, healthcare professionals, families, and advocacy groups.

The activity of an unusual phytochrome revealed

Researchers found that a model phytochrome, DrBphP, functions as a phosphatase rather than a histidine kinase, exhibiting an 'inverted' signaling mechanism. This discovery challenges previous understanding of bacterial phytochromes and their role in light response.

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.

What drives market share profitability?

A new study by Abhi Bhattacharya, Neil Morgan, and Lopo Rego finds that most of the variance in the market share-profit relationship is explained by market power and quality signaling mechanisms. The researchers also identify conditions under which market share can be negatively related to firm profits, such as niche strategy firms and...

Antibody protects against broad range of COVID-19 virus variants

Researchers at WashU Medicine have identified an antibody that is highly protective at low doses against a wide range of viral variants. The antibody targets a part of the virus' spike protein that differs little across variants, making it unlikely to lose potency as the virus mutates.

Do you think you’re exclusively straight?

A University of Sydney study found that reading informational articles on the nature of sexual orientation can change how people interpret their underlying feelings. This led to a significant increase in reported non-exclusive heterosexuality, with participants being more willing to engage in same-sex activities.

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.

Hundreds of Cape Fur seals entangled in fishing lines and nets every year

A study by Stellenbosch University and conservationists reveals a high number of Cape Fur seals are entangled in fishing lines and nets annually, with most affected being pups and juveniles. The researchers found that disentanglement efforts have been successful, but the problem remains urgent, emphasizing the need for policy changes t...