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Science News for February 20, 2022


New technology fused with photosynthetic life offers path to green energy

Researchers at Arizona State University have developed a hybrid device that combines living organisms with bio batteries to produce stored energy under light conditions. The technology, known as microbial electro photosynthesis, has the potential to power a wide range of products, including transportation fuels and cosmetics.

SourceArizona State University·JournalJournal of the American Chemical Society·TypeExperimental study·DateFeb 20, 2022
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.

Narratives, tech, and countering disinformation

Researchers explore the intersection of technology, social sciences, and narratives to combat disinformation. Experts discuss how technical solutions can be coupled with social interventions to effectively address the issue.

SourceArizona State University·DateFeb 20, 2022

A care conundrum at the intersection of class, access, and health

This study examines the care conundrum at the intersection of class, access, and health, focusing on kin networks and their impact on children in industrialized nations. The researcher argues that the narrative around choice and maternal investment is false, as parents face significant constraints due to identity and class.

SourceArizona State University·DateFeb 20, 2022

Are shared electric scooters energy efficient?

Researchers found that shared e-scooters waste significant energy in idle status, with up to 41.9% of energy loss on weekends. The study suggests e-scooters could be a competitive transport mode against walking and cycling in urban systems, but highlights the need for better operations and regulation.

SourceTsinghua University Press·JournalCommunications in Transportation Research·DateFeb 20, 2022

Games, stories, and science for successful public engagement

Arizona State University professor Katie Hinde explores successful public engagement in science, highlighting the power of stories and narratives in teaching children about science. Her March Mammal Madness game has reached over half a million students, featuring simulated animal battles and providing educational resources for educators.

SourceArizona State University·DateFeb 20, 2022

A date for greener membranes

A team of scientists at KAUST has created adjustable and biodegradable nanofiltration membranes from date seeds using an environmentally friendly process. The new membranes demonstrated excellent performance in oil and solvent filtration experiments, outperforming traditional methods.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalGreen Chemistry·TypeExperimental study·DateFeb 20, 2022
Apple iPhone 17 Pro

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

Food for thought: a high-fiber diet may reduce risk of dementia

Researchers found that higher levels of dietary fiber, particularly soluble fiber, are associated with a lower risk of developing dementia. The study suggests that a high-fiber diet may play a preventative role in reducing the incidence of dementia.

SourceUniversity of Tsukuba·JournalNutritional Neuroscience·DateFeb 20, 2022

How vacation photos of zebras and whales can help conservation

Scientists use AI to analyze images of wildlife for crucial data, helping track endangered species and combat extinction. A new field called imageomics extracts biological information from images, providing insights into animal movements, population trends, and evolutionary adaptations.

SourceOhio State University·TypeImaging analysis·DateFeb 20, 2022