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Science News Archive January 2022 - Page 20


Page 20 of 34

Enhanced statistical models will aid conservation of killer whales and other species

A new statistical model has improved understanding of northern resident killer whale behaviors, revealing patterns in energy expenditure and prey capture. The enhanced hidden Markov model captures high-frequency information, providing insights into the whales' diving habits and conserving energy.

SourceUniversity of British Columbia·JournalCanadian Journal of Statistics·TypeData/statistical analysis·DateJan 17, 2022

An avatar against anxiety

A study published in Translational Psychiatry found that virtual companions can reduce anxiety in socially anxious individuals, particularly women. The researchers used a virtual reality setup with either a real or avatar companion to test the effects of social support on fear responses.

SourceUniversity of Würzburg·JournalTranslational Psychiatry·DateJan 17, 2022

A sweet breakthrough: scientists develop recyclable plastics based on sugars

Researchers create two new polymers from sugar-based starting materials that retain common plastic qualities but are degradable and mechanically recyclable. The polymers' unique shapes and stereochemistry-dependent degradation rates offer a promising solution for sustainable plastics, with potential applications in various industries.

SourceUniversity of Birmingham·JournalJournal of the American Chemical Society·TypeExperimental study·DateJan 17, 2022

Introducing lifestyle interventions in preschool lowers heart disease risk

A review published in the Journal of the American College of Cardiology found that implementing lifestyle interventions in preschool can significantly improve cardiovascular health habits in children. The SI! Program, which included more than 3,800 children aged 3-5 years from 50 schools across three countries, showed a significant inc...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·TypeSystematic review·DateJan 17, 2022

Palomar survey instrument analyzes impact of starlink satellites

Researchers studied archival images from the Palomar Observatory's Zwicky Transient Facility and found that Starlink satellite streaks now appear in almost 20% of twilight images. Software can help mitigate potential problems, but the impact on astronomy is still a concern, especially for future surveys like Vera C. Rubin Observatory.

SourceCalifornia Institute of Technology·JournalThe Astrophysical Journal Letters·DateJan 17, 2022

ACP releases two new clinical guidelines on the diagnosis and management of diverticulitis

The American College of Physicians (ACP) has released two new clinical guidelines for the diagnosis and management of diverticulitis. The guidelines recommend that clinicians manage most patients with uncomplicated disease in outpatient settings without antibiotics, while patients with complicated disease should be referred for colonos...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 17, 2022

Citizen science helps nurture our health through nature

A University of South Australia study suggests that nature-based citizen science projects can alleviate stress and isolation, while improving mental, emotional, and physical health benefits. By engaging with natural environments, individuals can experience lower stress levels, improve their wellbeing, and feel connected to a community.

SourceUniversity of South Australia·JournalInternational Journal of Environmental Research and Public Health·TypeSystematic review·DateJan 16, 2022

Shrimp cocktails served in Japanese rivers

A study by Kyoto University found that migratory shrimp significantly enriched streams with nutrients, outperforming aquatic insects. The research highlights the crucial role of these small crustaceans in maintaining ecosystem balance and suggests integrating landscape management to support nutrient cycling.

SourceKyoto University·JournalOecologia·TypeExperimental study·DateJan 15, 2022

Earth’s interior is cooling faster than expected

Researchers have discovered that Earth's interior is cooling at a faster rate than expected, with implications for plate tectonics and the planet's overall activity. The study suggests that this increased heat flow will accelerate mantle convection, leading to a faster cooling of the Earth.

SourceETH Zurich·JournalEarth and Planetary Science Letters·TypeExperimental study·DateJan 14, 2022

Creative through movement

A recent study published in Psychological Research found that movement can boost creative thinking by providing freedom to make self-determined movements. Small movements while sitting can have the same positive effects as walking, and forced or suppressed movement can hinder cognitive processes like creativity.

SourceUniversity of Würzburg·JournalPsychological Research·TypeExperimental study·DateJan 14, 2022

Study finds national and international frameworks are imperative for implementing nature-based solutions in Asia

A study highlights the importance of cohesive, cross-sectoral strategies to promote nature-based solutions in Asia. The research emphasizes the need for national and international governance frameworks to effectively implement NbS for climate security, socioeconomic development, and eco-sustainability.

SourceForestry and Forest Products Research Institute·JournalPolitics and Governance·TypeLiterature review·DateJan 14, 2022

Scientists dive deep into the different effects of morning and evening exercise

A comprehensive study of exercise performed at different times of the day has identified distinct health-promoting signaling molecules produced by the body in an organ-specific manner. The findings suggest that exercising at the right time can optimize health benefits, particularly for individuals at risk of obesity and type 2 diabetes.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalCell Metabolism·TypeExperimental study·DateJan 14, 2022

Global conflicts inflamed by election-seeking ‘hawkish’ politicians - study

A new study finds that 'hawkish' politicians who adopt tough policies to re-elect themselves often inflame global conflicts. Researchers modelled a land dispute scenario and found that voters favoring ideology over ability tend to support hawkish leaders, leading to tougher settlements and increased conflict probability.

SourceUniversity of Birmingham·JournalPLOS ONE·TypeData/statistical analysis·DateJan 14, 2022

Researchers identify a set of cellular receptors in humans and other species for the eastern equine encephalitis virus, other members of the alphavirus family

A new study identifies a set of cellular receptors for eastern equine encephalitis virus and other alphaviruses shared across mosquitoes, humans, and animals. The researchers tested a decoy molecule that successfully prevented infection and slowed disease progression in cell and animal models.

SourceHarvard Medical School·JournalNature·TypeExperimental study·DateJan 14, 2022

Meet a colorful but colorblind spider

A team of scientists found that a specific species of jumping spider lacks the ability to see red colors, despite having vibrant red and black coloration. The study suggests that these colors may be used for defensive camouflage rather than mate attraction.

SourceUniversity of Cincinnati·JournalThe Science of Nature·TypeExperimental study·DateJan 14, 2022

Mathematical model may help improve treatments and clinical trials of patients with COVID-19 and other illnesses

A mathematical model developed by researchers at Massachusetts General Hospital has identified biological markers that can predict treatment responses in COVID-19 patients. The model reveals differences in patient characteristics and response to therapy, enabling clinicians to provide optimal care for diverse patients.

SourceMassachusetts General Hospital·JournalEBioMedicine·TypeComputational simulation/modeling·DateJan 14, 2022

Tackling plastics pollution

The University of Delaware is leading a research team to create new, environmentally friendly plastics using biomass. The goal is to minimize fossil fuel use and enhance recycling efficiency. The project aims to develop polymers with properties comparable to PET, a common plastic used in consumer products.

Study reveals link between brain cell development and risk of schizophrenia

Scientists discovered a link between disrupted brain cell development and increased risk of schizophrenia and other psychiatric disorders. Genetic factors disrupting brain development were found to be concentrated in specific sets of genes, which can contribute to disease through disruption of both early and mature brain function.

SourceCardiff University·JournalNature Communications·TypeExperimental study·DateJan 14, 2022

Before horses, ass hybrids were bred for warfare

Ancient Mesopotamian societies produced equid hybrids called kungas by crossing domestic donkeys with wild asses, offering a unique combination of strength and control. These animal hybrids were used for warfare and travel before the arrival of domestic horses in the region.

SourceCNRS·JournalScience Advances·DateJan 14, 2022

The first AI breast cancer sleuth that shows its work

Researchers at Duke University developed an artificial intelligence platform that analyzes potentially cancerous lesions in mammography scans. The algorithm is interpretable, showing physicians how it came to its conclusions, making it more trustworthy and useful for training students and aiding physicians in sparsely populated regions.

SourceDuke University·JournalNature Machine Intelligence·TypeExperimental study·DateJan 14, 2022

Load up the hydrogen but hold the carbon

A Kyoto University-led team has created a novel hydrogen plant design that harnesses fully renewable resources to produce clean hydrogen with minimal associated CO2 emissions. The SABI-Hydrogen system uses solar heating and biomass gasification to produce hydrogen, resulting in an emission rate of only 1.04kg CO2/kg hydrogen produced.

SourceKyoto University·TypeComputational simulation/modeling·DateJan 14, 2022

Form follows function

Professor Alexander Ecker is awarded a Starting Grant to develop machine-learning methods to describe neurons' shape and function, leveraging a large dataset from the US Brain Initiative. The research aims to uncover how a neuron's shape relates to its role in sensory information processing.

Nuclei-free cells prove utility in delivering therapeutics to diseased tissues

Researchers successfully engineered mesenchymal stromal cells to carry and deliver therapeutics specifically to targeted tissues, offering a precise and reliable approach for treating diseases. This novel cargo-carrier, dubbed 'Cargocytes,' retains most of its cellular functionality while greatly enhancing therapeutic capacity.

SourceUniversity of California - San Diego·JournalNature Biomedical Engineering·DateJan 14, 2022