Sea-urchin spines generate electrical signals in flowing water

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Negotiations between the Pentagon and the AI company Anthropic were severely complicated on Friday when President Donald Trump announced on Truth Social that the government would stop utilizing the company’s tech. The president ordered the Pentagon to begin a six-month phase-out, accusing Anthropic of being run by "Leftwing nut jobs.",更多细节参见51吃瓜

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Фото: Andrey Titov / Global Look Press

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A piece of insulating foam on Columbia's fuel tank broke loose during launch, damaging the heat shield with devastating results.