Most microbes either help human health or do not affect people’s health one way or the other. Of the millions of types of microbes in the world, only a few make us sick. Microbes are organisms that ...
Illustration by Joanne Imperio / The Atlantic. Sources: BSIP / UIG / Getty; Smith Collection / Gado / Getty. Conservationists pride themselves on protecting all of Earth’s life, not just the flashy ...