The Amoeba in the Room: Lives of the Microbes
Nicholas P. Money
Oxford Univ., $24.95
Prochlorococcus is a little bacterium with a big job. Less than a micrometer in diameter, it’s the most abundant photosynthetic organism on Earth, taking up carbon dioxide and releasing oxygen. If the octillion — that’s a 1 followed by 27 zeros — or more Prochlorococcus currently adrift in the world’s oceans were to disappear, writes mycologist Nicholas Money, air-breathing animals would suffocate.