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Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.
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▲METR 此前的研究显示 AI 工具对开发人员生产力的影响,导致生产力下降了 20%;但 METR 表示现在这一发现已经过时,生产力提升似乎更有可能|图片来源:https://x.com/METR_Evals/status/2026355544668385373/
敢於成為唯一參加三項賽事的女性選手,不應受到懲罰。在某項賽事晉級決賽,不應使我在另一項賽事中處於劣勢。