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Credit: Nucleic Acids Research (2024). DOI: 10.1093/nar/gkae780 Meiotic recombination generates genetic diversity and promotes proper chromosomal segregation of parental chromosomes. This process requires a set of recombinases polymerized on single-stranded (ss) DNAs called the nucleoprotein filament to undergo homology search and strand exchange between homologous DNAs. In Saccharomyces cerevisiae meiosis, programmed DNA double-strand breaks (DSBs)
Memorability dilates perceived time. Credit: Nature Human Behaviour (2024). DOI: 10.1038/s41562-024-01863-2 Research by George Mason professor Martin Wiener recently demonstrated that the more memorable an image is, the longer and more accurately its viewers can perceive the passage of time. In a series of experimental studies, participants were more likely to say more memorable images
Cross section of paint sample SK-C-5_017 as seen through a light microscope. It shows various crystals of yellow, orange and red pigments of which the precise composition was established using a combination of electron microscopy, Raman spectroscopy, and X-ray powder diffraction. Credit: Rijksmuseum. Chemists at the Rijksmuseum and the University of Amsterdam (UvA) have for
by KeAi Communications Co. Crack evolution law of coal-rock. Credit: Yihong Liu, et al In coal-rock formations, many micro-fractures exist, and the expansion of these micro-fractures is the internal catalyst for the macroscopic destruction of coal-rock. Moreover, the occurrence state of gas changes with the expansion of micro-fractures. In engineering practice, most coal-rock mass needs
Editors’ notes This article has been reviewed according to Science X’s editorial process and policies. Editors have highlighted the following attributes while ensuring the content’s credibility: fact-checked trusted source written by researcher(s) proofread by Grant Linley and Dale Nimmo, The Conversation Credit: Pixabay/CC0 Public Domain Australia’s unprecedented Black Summer bushfires in 2019–20 created ideal conditions
Editors’ notes This article has been reviewed according to Science X’s editorial process and policies. Editors have highlighted the following attributes while ensuring the content’s credibility: fact-checked peer-reviewed publication trusted source proofread by Zhang Nannan, Chinese Academy of Sciences TabHLH489 and TaSnRK1α1 integrating BR and sugar signals to regulate wheat grain length. Credit: Xiao Jun
Diagram showing how wax structure reflect light. Credit: Rox Middleton Tiny external structures in the wax coating of blueberries give them their blue color, researchers at the University of Bristol can reveal. This applies to a lot of fruits that are the same color including damsons, sloes and juniper berries. In the study, published in