Beyond the cloud's unusual shape, scientists see the nebula as a freeze-frame in the life of a star facing its final act. Elderly stars shed their outer layers in bursts, creating shells of gas and dust that expand. By observing the nebula at different wavelengths, researchers can sort out what material was molted first, how fast the star is losing mass, and which phase of decline Webb has caught.
President Donald Trump has ordered all US government agencies to stop using Claude and other Anthropic services, escalating an already volatile feud between the Department of Defense and company over AI safeguards. Taking to Truth Social on Friday afternoon, the president said there would be a six-month phase out period for federal agencies, including the Defense Department, to migrate off of Anthropic's products.
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Author Correction: Myocardial reprogramming by HMGN1 underlies heart defects in trisomy 21
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