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Ноябрь
2023

Новости за 10.11.2023

Architecture of the brain’s visual system enhances network stability and performance through layers, delays, and feedback

Plos.org 

by Osvaldo Matias Velarde, Hernán A. Makse, Lucas C. Parra

In the visual system of primates, image information propagates across successive cortical areas, and there is also local feedback within an area and long-range feedback across areas. Recent findings suggest that the resulting temporal dynamics of neural activity are crucial in several vision tasks. In contrast, artificial neural network models of vision are typically feedforward and do not capitalize on the benefits of temporal dynamics... Читать дальше...

The limitations of phenotype prediction in metabolism

Plos.org 

by Pablo Yubero, Alvar A. Lavin, Juan F. Poyatos

Phenotype prediction is at the center of many questions in biology. Prediction is often achieved by determining statistical associations between genetic and phenotypic variation, ignoring the exact processes that cause the phenotype. Here, we present a framework based on genome-scale metabolic reconstructions to reveal the mechanisms behind the associations. We calculated a polygenic score (PGS) that identifies a set of enzymes as predictors of growth, the phenotype. Читать дальше...

Attention-based deep clustering method for scRNA-seq cell type identification

Plos.org 

by Shenghao Li, Hui Guo, Simai Zhang, Yizhou Li, Menglong Li

Single-cell sequencing (scRNA-seq) technology provides higher resolution of cellular differences than bulk RNA sequencing and reveals the heterogeneity in biological research. The analysis of scRNA-seq datasets is premised on the subpopulation assignment. When an appropriate reference is not available, such as specific marker genes and single-cell reference atlas, unsupervised clustering approaches become the predominant option. Читать дальше...



Tech Disrupted Hollywood. AI Almost Destroyed It

Wired Magazine 

Streaming invigorated the film and TV industry and sent established studios scrambling. That was before AI sparked one of the biggest work stoppages in Hollywood history.

4 Facts About Glossopteris Fossils

Discovermagazine.com 

What does Glossopteris mean and why do researchers care about Glossopteris fossils? The extensive range of these fossilized leaves shed light on plate tectonics and continental drift theory.

Best Joke Ever: The Funniest Superhero Movie and My Ragnarok Year

MCSWEENEY’S 

To help celebrate our twenty-fifth year of being on the information superhighway, we have reached out to some of our favorite former columnists for check-ins and updates. Today’s columnist, Mark Peters, was one of the winners of our 2013 Column Contest. In Best Joke Ever, he examined perfect jokes by masters of the form. We’re happy to welcome Mark back to the site with a brand-new installment.

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