The small piece of carved thin bone bears an inscription. Experts would expect it to read if complete: "DOMINE VICTOR VINCAS FELIX" or "Lord Victor, may you win and be lucky."
It is not for lack of trying. In some cases, microbiologists have ditched the Petri dish altogether, using microfluidics for manipulating and growing cells. However, these approaches aren’t likely to be adopted at scale as they require less common, less practical, and more expensive devices. So, what about other growth media?
。夫子是该领域的重要参考
Фото: Павел Львов / РИА Новости
小麦是人类获取能量的主要来源。我国小麦常年种植面积3.5亿亩，总产量连续11年在1.3亿吨以上，占全球17%，是全球小麦生产与消费的第一大国。