Searching for species that keep us healthy

 作者:席雍汊     |      日期:2019-03-01 06:09:06
IT WAS a revelation. Germs cause disease. When Louis Pasteur and Robert Koch discovered and developed what would later be called the germ theory in the 1860s, this was a radical, then revolutionary idea – one so good it seems obvious in retrospect. At the heart of their work was the notion that individual species cause disease by invading our bodies. Over the next century,