This was especially vexing to physician and bacteriologist Robert Koch, who, in seeking to culture his bacteria, “bent all his power to attain the desired result by a simple and consistently successful method,” wrote bacteriologist and historian William Bulloch in his 1938 book, The History of Bacteriology. “He attempted to obtain a good medium which was at once sterile, transparent, and solid” and got some results with gelatine.6 But gelatine is easily digested by many microbes and melts at precisely the temperatures at which the disease-causing microbes Koch wanted to study grow best.
The Secret History of Knocking on WoodMost of human nature is never written down — and machines can't learn it from text
,更多细节参见一键获取谷歌浏览器下载
What You Can Build
The musician is speaking to the BBC from the hip Ace Hotel in Sydney, where she's based while performing over two consecutive weekends at Australia's Laneway Festival.