defects
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Science
Analysis finds defects in the “Protura sister” hypothesis: reassessment of early hexapole lines
Embryology and morphology cannot establish the “Protura sister” hypothesis of the early evolution of hexapoders recently proposed by phylogenies. Credit: Makiko Fukui Early lineages of hexagons (widely defined insects) have been debated for a long time. Researchers and collaborators from Tsukuba University have critically investigated the newly proposed phylogenetic hypothesis of the “Protura sisters.” This analysis revealed the underlying flaws…
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Chemistry
Trimital synergistic effects and defects: climate behavior catalyst
Fixed floor continuous flow reaction device used in CO2RR, (A) outer view of the reactor, and (b) internal view indicating the reactor tube and furnace. Credit: The minutes of the National Science Academy (2025). Doi: 10.1073/pnas.2411406122 Studies published in the National Academy’s Academy will introduce trimital catalysts, including nickel (NI), copper (CU), and zinc (ZN) nanoparticles supported by defective CERIA…
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Nanotechnology
Atomic force microscopy reveals microtubule defects with submolecular resolution
Figure 1. High-resolution AFM images of the inner and outer surfaces of microtubules. Credit: Nano Letters (2024). DOI: 10.1021/acs.nanolett.4c04294 In a study recently published in the journal Nano Letters, researchers at Kanazawa University Nano Life Science Institute (WPI-NanoLSI) used frequency-modulated atomic force microscopy to examine the inner surfaces of microtubules (MTs) and microtubules. We revealed the submolecular structure of the…
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Physics
Important role of structural defects revealed in deformation of amorphous solids
Yellow and red areas in the image indicate structural defects, and white circles indicate particles damaged by external stress. These particles involved in the deformation process occur preferentially in regions containing structural defects. Credit: Dr. Vijayakumar Chikkadi’s Research Group Researchers from Indian Institute of Science Education and Research (IISER) Pune and CSIR-National Chemical Laboratory (NCL) Pune have shown that macroscopic…
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