To a bacteria researcher like John Wertz, germ is a four-letter word. “I cannot stand the word germ,” said the Calvin biology professor, “because it suggests that all bacteria and viruses are bad.” In ...

Chimpanzees are the only great apes, apart from humans, that have adapted to living on savannas as well as in forests.

A new study suggests that biochar, a carbon-rich material often used to restore degraded soils, may do more than improve soil chemistry. At the right dose, it may also support the social behaviors of ...