Add BrightSurf on Google Email

Science News for October 27, 2024


New study warns that melting Arctic sea-ice could affect global ocean circulation

A recent study suggests that enhanced Arctic sea-ice melting during the Last Interglacial period led to significant cooling in northern Europe. The researchers used sediment cores and geochemical tracers to reconstruct past ocean conditions, highlighting the importance of feedback mechanisms in the climate system.

SourceUiT The Arctic University of Norway·JournalNature Communications·TypeExperimental study·DateOct 27, 2024

Magicians don’t mind sharing the secrets behind tricks – if they are their own

A new study reveals that magicians are willing to share their own trick techniques, but not those invented by others or deceased individuals. They believe it's acceptable to reveal secrets for good causes, such as enhancing wellbeing or scientific research, and that mass online tutorials have reduced the need for traditional secrecy.

SourceUniversity of Plymouth·JournalJournal of Performance Magic·TypeCase study·DateOct 27, 2024

No incentive for older birds to make new friends

Researchers studied an isolated population of sparrows on Lundy Island and found that older birds tend to have fewer friends, similar to humans. The study suggests that there is no 'evolutionary pressure' to maintain social connections in older age, leading to a decline in friendships.

SourceImperial College London·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateOct 27, 2024

Development and validation of a new prognostic model for predicting survival outcomes in patients with acute-on-chronic liver failure

A new prognostic model accurately predicts short-term mortality in ACLF patients, offering improved clinical decision-making. The Model for end-stage liver disease-complication score demonstrated superior predictive accuracy and robustness in external cohorts.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateOct 27, 2024

Identification and validation of the Hsa_circ_0001726/miR-140-3p/KRAS axis in hepatocellular carcinoma based on microarray analyses and experiments

This study identifies the hsa_circ_0001726/miR-140-3p/KRAS axis as a key regulator in hepatocellular carcinoma (HCC) progression and lenvatinib resistance. The axis is involved in promoting cell proliferation and migration, and is also linked to overall survival in HCC patients.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateOct 27, 2024

More social species live longer, Oxford study finds

A new Oxford study assesses 152 animal species across various taxonomic groups, finding that more social species live longer, have longer generation times, and longer reproductive windows. Sociality's benefits outweigh its costs, with species displaying increased resilience as a group.

SourceUniversity of Oxford·JournalPhilosophical Transactions of the Royal Society of London (B )·DateOct 27, 2024

Segmenting and analyzing cellular morphologies of Caenorhabditis elegans embryo with modular CShaperApp

A collaborative team developed CShaperApp to segment and analyze Caenorhabditis elegans embryo morphologies, providing a user-friendly platform for researchers. The software offers modular functions for image segmentation, analysis, and result visualization, allowing users to adaptively retrain models or process external datasets.

SourceHigher Education Press·JournalQuantitative Biology·TypeExperimental study·DateOct 27, 2024

Using stem cell-derived artificial organelles to improve neural oxidative phosphorylation imbalances

A new framework called Engine Repair Theory uses self-assembling organelles derived from neural stem cells to restore mitochondrial energy homeostasis and mitigate oxidative stress. The study demonstrates an increase in ATP production and reduced cell damage, offering a promising approach for treating neurodegenerative conditions.

SourceDalian Stem Cell and Precision Medicine Innovation Research Institute·JournalNature Communications·TypeExperimental study·DateOct 27, 2024