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Science News Archive 2022 - Page 28


Page 28 of 448

What factors influence Chinese university students’ food waste behavior in canteen?

The study found that perceived behavior control, gender, monthly living expenses, BMI, mealtime, meal expectations, and food portion significantly correlate with food waste behavior among university students. Prioritizing school cafeteria management on food portions and mealtimes is crucial for reducing food waste.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeSurvey·DateDec 5, 2022

School children who meet movement guidelines report better health

A Japanese research collaboration found associations between elementary and junior high school students' self-reported health and adherence to 24-hour movement guidelines. Meeting the guidelines for 'screen time and sleep' was associated with good self-reported health in elementary school students, while junior high school students ben...

SourceKobe University·JournalPublic Health·TypeSurvey·DateDec 5, 2022

Finding the right AI for you

A new AI evaluation framework, GOPHER, has been developed to assess the efficiency of genome analysis algorithms. The tool judges programs on their ability to learn genomic biology, predict patterns, handle noise, and provide interpretable decisions.

SourceCold Spring Harbor Laboratory·JournalNature Machine Intelligence·DateDec 5, 2022

A new study published in the Proceedings of the National Academy of Sciences (PNAS) demonstrates the ability of a novel peptide to selectively detect and neutralize an early molecular trigger of Alzheimer’s and other neurodegenerative diseases

A novel peptide has been developed to selectively detect and neutralize an early molecular trigger of Alzheimer's disease. The technology allows for the detection of the disease at all stages, including presymptomatic cases, with high sensitivity and specificity.

SourceBioscribe·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 5, 2022

Glassy discovery offers computational windfall to researchers across disciplines

A team of researchers from the University of Pennsylvania has developed a new algorithm, metadynamics, that can navigate high-dimensional energy landscapes to find low-energy configurations. This breakthrough has the potential to revolutionize fields such as protein folding and machine learning.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·DateDec 5, 2022

Some state welfare policies linked to more foster care

A new national study found that states with restricted access to federal welfare benefits had higher numbers of child neglect victims and more children placed in foster care. The study suggests that making it easier for low-income families to receive cash assistance through the TANF program could prevent some child maltreatment and res...

SourceOhio State University·JournalHealth Affairs·TypeData/statistical analysis·DateDec 5, 2022

Why synonymous mutations are not always silent

Researchers found that synonymous mutations can lead to misfolding and reduced protein activity due to kinetic partitioning. The study suggests a new mechanism of action for these genetic changes, which could have implications in fields like biopharmaceutics.

SourcePenn State·JournalNature Chemistry·TypeExperimental study·DateDec 5, 2022

The future of replacement organs is (quite possibly) here: robust human intestinal organoids created in a lab

Researchers from Tokyo Medical and Dental University developed a new approach to grow human intestinal mini-organs in the lab. They used cell culture plates and bioreactors to create robust and healthy intestine-like tissues that can be transplanted into mice, demonstrating the potential for regenerative medicine applications.

SourceTokyo Medical and Dental University·JournalCell Reports Methods·DateDec 5, 2022

Climate change in the forests of northern Germany

Researchers from the University of Göttingen found that European beech trees are experiencing increased drought stress in northern Germany due to climate change. The study reveals that dry locations show the strongest long-term decline in growth, highlighting the need for more resilient tree species.

SourceUniversity of Göttingen·JournalGlobal Change Biology·TypeExperimental study·DateDec 5, 2022

Recent papers in ACS Polymers Au

Machine learning is being explored as a tool to speed up the identification of biomaterials. Researchers have also developed a guide on how to incorporate ML into research programs. Additionally, studies have investigated ways to model polymers at multiple scales and created a self-healing hydrogel for sustained release of medications.

SourceAmerican Chemical Society·JournalACS Polymers Au·DateDec 5, 2022

More flexible than previously thought: Worms give us new insights into the evolution and diversification of TGF-β signaling pathways

Researchers identified surprising differences in TGF-β genes across nine nematode species, revealing unexpected changes in function between species. This study provides new insights into the evolution of TGF-β signaling pathways and their impact on development, behavior, and disease in humans and parasites.

SourceMax Planck Institute for Neurobiology of Behavior - caesar·JournalMolecular Biology and Evolution·TypeExperimental study·DateDec 5, 2022

Federated machine learning enables the largest brain tumor study to-date, without sharing patient data

A massive collaborative study using federated learning developed a model that enhances identification and prediction of boundaries in three tumor sub-compartments without compromising patient privacy. The dataset, comprising 6,314 glioblastoma patients from 71 sites globally, is the largest and most diverse ever considered.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Communications·TypeRandomized controlled/clinical trial·DateDec 5, 2022

Stock running low? Consumers want to know

Researchers found that consumers are 25% less likely to purchase low-availability items when told supply is low, resulting in a 5.3% increase in revenue per customer. Online retailers can benefit from this strategy by managing customers' expectations and improving decision-making.

SourceBoston College·TypeData/statistical analysis·DateDec 5, 2022

Old-growth trees show higher drought resistance than younger trees Study highlights importance of conserving old-growth forests as major carbon sinks

A recent study analyzing nearly 22,000 trees across five continents highlights the importance of old-growth trees in withstanding future droughts under climate change. Older hardwood trees exhibit a 21% growth reduction during drought, compared to a 28% reduction experienced by younger hardwood trees.

SourceThe University of Hong Kong·JournalNature Climate Change·TypeObservational study·DateDec 5, 2022

Cover cropping up to 7.2% in US Midwest, boosted by government programs

A new study reveals that the US Midwest has seen a significant increase in cover crop adoption, with 7.2% of cropland being planted with cover crops in 2021. This is attributed to government programs and funding initiatives, which have been shown to strongly correlate with the onset of cover crop assistance.

Conflicting motives govern sense of fairness

A study by researchers at the University of Zurich found that people are reluctant to harm others and upend existing social hierarchies when considering distributive justice. The participants were more willing to reduce inequality but maintained the existing hierarchy, suggesting a complex interplay between conflicting motives.

SourceUniversity of Zurich·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 5, 2022

Measuring times in billionths of a billionth of a second

Researchers at Griffith University develop novel technique to measure ultrafast processes with unprecedented time resolution, measuring time delay between H2 and D2 molecular hydrogen isotopes with zeptosecond precision. The study has implications for understanding HHG radiation dynamics.

SourceGriffith University·JournalUltrafast Science·TypeExperimental study·DateDec 4, 2022