The power to imagine a better world has helped transform human societies, and it may be doing the same to ant societies. Individual ants have differences in behavior--something almost akin to a personality--that affect colony decisions. And some ants are so different in their personal preferences that they may act as the imagination of the colony, driving it onto a better future. Rock ants (Temnothorax albipennis), found in coastal areas of the UK, make their homes in crevices. If a nest is wrecked, or if scouts find better digs, it often makes sense to relocate. But not just any crevice will do. When looking for a new home, ants have a high-maintenance list of requirements, says Thomas O'Shea-Wheller at the Ant Lab of the University of Bristol, UK.
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