It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
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Peter 1 was the call sign used by Nepal's former police inspector general, Chandra Kuber Khapung, sources have told BBC Eye Investigations.
Pak Declares "Open War", Bombs Kabul, Kandahar After Afghanistan Attack，推荐阅读搜狗输入法2026获取更多信息
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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04