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    1. Neuroscience

    Fast-backward replay of sequentially memorized items in humans

    Qiaoli Huang, Jianrong Jia ... Huan Luo
    Serially remembered items are successively reactivated during memory maintenance in the human brain, and replay profiles, temporally compressed and reverse in order, are associated with recency effect in behavioral performance.
    1. Neuroscience

    A connectomics-based taxonomy of mammals

    Laura E Suarez, Yossi Yovel ... Bratislav Misic
    Inter-species variations in connectome architecture across the mammalian phylogenetic spectrum recapitulate established taxonomic relationships defined by genetic, morphology, and behavioural differences, and are mainly driven by local changes in connectivity while hallmark global features tend to be conserved across species.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Intra-species differences in population size shape life history and genome evolution

    David Willemsen, Rongfeng Cui ... Dario Riccardo Valenzano
    Population genetics in turquoise killifish wild populations reveals how small population size and genetic drift determine the accumulation of deleterious gene variants leading to short lifespan.
    1. Ecology
    2. Microbiology and Infectious Disease

    Universal gut microbial relationships in the gut microbiome of wild baboons

    Kimberly E Roche, Johannes R Bjork ... Elizabeth A Archie
    In baboon gut microbiota, most pairwise correlations in bacterial abundances are weak and negative, and bacterial correlation patterns are largely shared across hosts, rather than personalized to each hosts.
    1. Neuroscience

    Speech and music recruit frequency-specific distributed and overlapping cortical networks

    Noémie te Rietmolen, Manuel R Mercier ... Daniele Schön
    The neural response to natural speech and music processing is mostly shared between the domains, with additional evidence for selectivity in distributed (i.e. not regional) and frequency-specific neural activity.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Consistent global structures of complex RNA states through multidimensional chemical mapping

    Clarence Yu Cheng, Fang-Chieh Chou ... Rhiju Das
    A multidimensional chemical mapping strategy enables confident determination of the structures of non-coding RNAs at 1-nm resolution, including previously intractable riboswitch and human regulon states.
    1. Neuroscience

    Selfee, self-supervised features extraction of animal behaviors

    Yinjun Jia, Shuaishuai Li ... Wei Zhang
    Selfee, a self-supervised learning approach, is designed to extract comprehensive and discriminative features directly from raw videos of animal behaviors which can be used for in-depth analysis.
    1. Neuroscience

    Memory recall involves a transient break in excitatory-inhibitory balance

    Renée S Koolschijn, Anna Shpektor ... Helen C Barron
    Hippocampal activity during memory recall predicts a transient increase in the ratio between neocortical glutamate and GABA, thereby allowing otherwise dormant memories to be released.
    1. Genetics and Genomics

    Fat body phospholipid state dictates hunger-driven feeding behavior

    Kevin P Kelly, Mroj Alassaf ... Akhila Rajan
    Behavioral, lipidomic, and genetic analyses of adult Drosophila on a chronic high-sugar regime identified that fat body activity of a phospholipid biosynthesis enzyme, Pect, regulates insulin sensitivity and hunger response.
    1. Evolutionary Biology

    Support for a clade of Placozoa and Cnidaria in genes with minimal compositional bias

    Christopher E Laumer, Harald Gruber-Vodicka ... Gonzalo Giribet
    Protein coding genes strongly support a sister group relationship between Placozoa and Cnidaria to the exclusion of Bilateria, contradicting previous phylogenies, which have likely been misled by pervasive compositional heterogeneity.