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 ...

Evolutionary biologists are investigating the extent to which ants learn from past experiences. After being attacked by ants from a particular nest, ants behave more aggressively towards others from ...

Scientists have discovered that Florida carpenter ants perform life-saving amputations on injured nestmates, a level of medical intervention previously only observed in humans. The ants assess wound ...