However, Koch never credited the Hesses for their discovery of bacteriological agar, perhaps because, at the time, he failed to recognize its importance. Even after he received the insight about agar from the Hesses, Koch stuck with gelatine for years. In 1883-84, during his first medical expedition to Egypt and India to investigate cholera, he tried and failed to grow the cholera bacterium on gelatine media in the hot climate of Cairo (despite using a half-open fridge for incubation), only succeeding in the colder winter of Calcutta.
大胆预测，2026 年 PPT 将不再是打工人的噩梦。但随之而来的新问题是：当 AI 能够完美代劳时，我们该如何使用 AI 生成更好的 PPT，避免自己沦为 AI 的「念稿机器」？
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American singer-songwriter Neil Sedaka, who wrote and performed hits through the 1950s and 60s, including Oh! Carol, Breaking Up Is Hard To Do, Bad Blood, Laughter in the Rain and Calendar Girl, has died at the age of 86.