2Japan halted exports to other countries for fear that agar supported their development of biowarfare weapons. A few years before, Nazi Germany allegedly tested the efficacy of biowarfare attacks with another curious microbe, Serratia marcescens, dubbed “the miracle bacterium.” According to a much-talked about report by investigative journalist Henry Wickham Steed titled “Aerial Warfare: Secret German Plans” members of a secret Luft-Gas-Angriff (Air Gas Attack) Department spread the S. marcescens in the subterranean train networks of Paris and London and measured its reach armed with Petri dishes and agar plates.
用产品经理的心态对待咖啡，不断迭代好喝的咖啡。公众号：咖啡平方
，更多细节参见搜狗输入法2026
Фото: Thaier Al-Sudani / Reuters
圖像來源，Oscar Wong/Getty Images