Ants, it turns out, are extremely good at estimating the concentration of other ants in their vicinity. This ability appears to play a role in several communal activities, particularly in the voting ...

An analysis of ant colony behavior could yield better algorithms for network communication, say investigators. Biologists have long suspected that ants base their population-density estimates on the ...

Even with no one in charge, army ants work collectively to build bridges out of their bodies. New research reveals the simple rules that lead to such complex group behavior. Army ants form colonies of ...