Hiroshimaite. Shortly before the 81st anniversary of the atomic bombing of Hiroshima in August, researchers revealed how the high-energy explosion created a new type of alloy that has been found in a fragment of ‘hiroshimaite’ rock, a term for fallout debris. The alloy, imaged here with a scanning electron microscope and described in Science Advances, is made from
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When a fertilized mammalian egg divides, it yields two seemingly identical daughter cells. Some of their descendants generate the diverse organ systems of the embryo, while others form extra-embryonic tissues that sustain the developmental process. In 2025, researchers used a cutting-edge technique known as single-cell proteomics (SCP) to show that even in the two first-generation
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Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. The flash flood destroyed many buildings and left villages covered in mud and debris.Credit: Arun Sankar/AFP via Getty Satellite images taken just days before the high-altitude collapse of rock and ice that caused a catastrophic flash