Evolutionary biology: Ants can hold a grudge

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 that same nest.

Evolutionary biology: Ants can hold a grudge
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 that same nest.