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3It wasn’t the first time that nations at war turned to seaweed. During the First World War, the U.S. relied on the giant kelp seaweed (Macrocystis) to boost production of potash (a fertilizer produced in Germany), gunpowder, and acetone.
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2026年2月25日最近更新： 2026年2月26日
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America was mired in Vietnam abroad and civil unrest at home. But at that moment, it seemed that humanity was united.