While raising three children and taking care of the household, Fanny Angelina Hesse supported, documented, and archived her husband’s work, creating stunning scientific illustrations of bacterial and fungal colonies. During the hot Summer of 1881, she watched as Hesse struggled with gelatine-based growth media. Fanny Angelina, recalling the stability of her agar-based desserts, suggested that they try that instead. Hesse wrote a letter to Koch informing him about the switch, and Koch mentioned agar for the first time in his 1882 groundbreaking paper on the discovery of the tuberculosis bacillus.
全年总收入为 272.9 亿元人民币，Non-GAAP 运营利润达到 6.4 亿元；其中 2025 年第四季度总收入为 67.9 亿元，实现同环比双增长，季度 Non-GAAP 运营利润为 1.4 亿元。
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The story of the discovery will be featured on BBC Two's Digging for Britain on 14 January at 21:00 GMT, or on BBC iPlayer.
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