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.
06:23, 28 февраля 2026Бывший СССР
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What confusable-vision does
An inquest opening heard Claydon was taken to a medical centre at Wembley after the fall and pronounced dead at 22:38 BST.
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Жители Санкт-Петербурга устроили «крысогон»Жители центра Санкт-Петербурга решили серьезно бороться с крысами，更多细节参见搜狗输入法2026