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.
13:48, 27 февраля 2026МирЭксклюзив
，推荐阅读safew官方下载获取更多信息
contributed to this report.
Its imperfections, with one side longer than the others, stand it in contrast with today's mass-produced dice.
Трамп высказался о непростом решении по Ирану09:14