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.
To work around this, I started pre-allocating…everything:。im钱包官方下载对此有专业解读
Фото: Yves Herman / Reuters，推荐阅读下载安装汽水音乐获取更多信息
Follow topics & set alerts with myFT，推荐阅读搜狗输入法2026获取更多信息