In 1874, Fanny Angelina married physician and bacteriologist Walther Hesse, an investigator of air quality and, specifically, air-borne microbes. In the Winter of 1880-81, Hesse became a research student with Koch in Berlin and experienced firsthand the difficulty of growing microbes on gelatine and the other growth media used at the time.
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Melania Trump became the first spouse of a sitting world leader to preside over the UN security council on Monday, calling on member states to protect children’s access to education days after Iranian state media reported that an airstrike killed at least 165 people at a girls’ school in southern Iran.。关于这个话题，WPS官方版本下载提供了深入分析
Жители Санкт-Петербурга устроили «крысогон»17:52