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Science News Archive 2025 - Page 408


Page 408 of 574

Hidden ‘highways’ connect Brazil’s rainforests

Scientists have found a consistent pattern of dispersal events where Inga trees migrated from the Amazon to the Atlantic rainforest, highlighting the importance of conserving riverside forests. The study's findings suggest that these 'highways' played a crucial role in shaping the history of biodiversity in the region.

SourceUniversity of Exeter·JournalProceedings of the Royal Society B Biological Sciences·DateJan 29, 2025

NewsGuard: Study finds no bias against conservative news outlets

A recent study evaluating NewsGuard's media reliability rating service found no evidence of bias against conservative news outlets. The analysis of over 11,000 sources in nine countries revealed stable trustworthiness scores since 2022, with the US receiving lower ratings due to hyper-partisan sources lacking editorial practices.

SourceComplexity Science Hub·JournalJournal of Quantitative Description Digital Media·TypeData/statistical analysis·DateJan 29, 2025

How to avoid the next crypto collapse: a new study unveils the factors behind cryptocurrency exchange failures

A new study from the University of Vaasa identifies transparency, centralisation, territorial access, fee structures, and referral schemes as risk factors in cryptocurrency exchanges. Decentralised exchanges have a lower probability of failure compared to centralised platforms due to their distributed structure.

SourceUniversity of Vaasa·JournalJournal of International Financial Markets Institutions and Money·TypeData/statistical analysis·DateJan 29, 2025

Longitudinal analysis of obesity drug use and public awareness

The study found a significant increase in obesity drug prescriptions from 0.76 million in July 2017 to 1.5 million in February 2024, mirroring rising public online search activity for semaglutide and tirzepatide. This correlation highlights the real-time association between public awareness and prescription trends.

SourceJAMA Network·JournalJAMA Network Open·DateJan 29, 2025

Multidisciplinary workshops enhance respectful communication among community pharmacists

A study of 961 Japanese community pharmacists found that regular attendance at local multidisciplinary workshops was positively correlated with assertive communication styles. This suggests that such workshops may play a crucial role in promoting respectful communication among healthcare professionals, leading to better patient outcomes.

SourceUniversity of Tsukuba·JournalJournal of Pharmaceutical Health Care and Sciences·DateJan 29, 2025

Life’s building blocks in Bennu samples

The OSIRIS-REx mission returned a large sample from asteroid Bennu, which Japanese collaborators detected includes all five nucleobases required for life. The analysis revealed high concentrations of ammonia and nitrogen-rich organic matter.

SourceHokkaido University·JournalNature Astronomy·TypeExperimental study·DateJan 29, 2025

Blood-powered toes give salamanders an arboreal edge

Researchers at Washington State University discovered that wandering salamanders use a unique mechanism to control blood flow in their toe tips, enabling them to optimize attachment and detachment on irregular surfaces. This discovery has implications for bioinspired designed, including the development of adhesives and prosthetics.

SourceWashington State University·JournalJournal of Morphology·DateJan 29, 2025

Study reveals how microbes help detoxify our atmosphere

Researchers at Monash University have discovered how microbes consume huge amounts of carbon monoxide and reduce its levels in the atmosphere. By using a special enzyme called CO dehydrogenase, microbes extract energy from CO, powering their own survival while also cleaning the air.

SourceMonash University·JournalNature Chemical Biology·TypeExperimental study·DateJan 29, 2025

Grating the cheese of networks: New tool finds critical points in everything from cybersecurity to ecological conservation

Researchers introduce 'fitness centrality,' a faster method to identify crucial elements in any network, with practical applications in supply chains, ecological conservation, and cybersecurity. The approach streamlines analysis, making it practical for vast networks.

SourceComplexity Science Hub·JournalJournal of Physics Complexity·TypeComputational simulation/modeling·DateJan 28, 2025

Researchers illuminate new structures of a critical amyloid protein

The study reveals that the transthyretin protein forms asymmetric structures with two differently shaped binding pockets, which may contribute to its instability. The researchers' novel graphene grid method allows them to capture the protein's natural conformations, providing new insights into its structure and potential for targeted t...

SourceScripps Research Institute·JournalNature Structural & Molecular Biology·DateJan 28, 2025

Moderate exercise keeps appetite at bay

A recent study by Murdoch University reveals that moderate-intensity exercise significantly influences appetite-related hormones and perceptions in males with obesity. The study confirms the benefits of incorporating regular exercise into daily routines for weight management and overall health improvement.

SourceMurdoch University·JournalPhysiological Reports·TypeRandomized controlled/clinical trial·DateJan 28, 2025

Calorie labels on menus could make eating disorders worse

A new study from King's College London suggests that calorie labels on menus can trigger eating disorder thoughts and behaviors in individuals with a lived experience of the condition. The review of existing research found that people with eating disorders feel stigmatized when nutritional labels are made mandatory, leading to increase...

SourceKing's College London·JournalBMJ Public Health·TypeLiterature review·DateJan 28, 2025

Sharp look into Ockham’s razor

A new paper challenges the long-held principle of parsimony in modeling, suggesting that complex models can be more flexible and accurate. Researchers argue that relying too much on parsimony can lead to misapplied assumptions and biased results, highlighting the need for a tool to guide model building.

SourceSanta Fe Institute·JournalProceedings of the National Academy of Sciences·DateJan 28, 2025

Cancer drugs linked to severe chronic peripheral nerve pain for 4 in every 10 patients

A pooled data analysis found that cancer chemotherapy is linked to persistent severe peripheral nerve pain for around 4 in every 10 patients, with platinum-based drugs and taxanes associated with the highest rates of painful neuropathy. The study analyzed data from 77 eligible studies involving 10,962 participants from 28 countries.

SourceBMJ Group·JournalRegional Anesthesia & Pain Medicine·TypeObservational study·DateJan 28, 2025

Can you really have it all? New study reveals how to succeed at work without sacrificing your free time

A new INFORMS study finds that employees who integrate professional development into their free time report feeling more confident, motivated and capable at work. However, this approach may not be suitable for everyone, particularly those who prefer a clear separation between work and personal life.

SourceInstitute for Operations Research and the Management Sciences·JournalOrganization Science·TypeObservational study·DateJan 28, 2025

Journals publish Montana State ecologist’s studies on the effects of prey depletion on populations of large African carnivores

The studies, published in various journals, found that prey depletion has a significant impact on population dynamics of large African carnivores. In protected areas, lion populations have shown growth due to increased prey availability, while African wild dogs face challenges with low prey density and high competition from lions.

SourceMontana State University·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJan 28, 2025