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.
陆逸轩在第19届肖邦国际钢琴比赛决赛演完协奏曲后后。图丨© Wojciech Grzedzinski
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"Get the camera, quick," said Lovell.
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