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 ...

Yellow crazy ants (Anoplolepis gracilipes) are, to put it simply, one of the more well known aggressive 'jerks' of the ant world. And that's saying a lot for any of the countless number of invasive ...

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 ...