(CNN) — Researchers have uncovered an unusual survival strategy in Iberian harvester ants that turns basic biology on its head: The queens can produce eggs that develop into two different ant species.

BARICHARA, COLOMBIA — The first loud crackle tastes and feels like popcorn, but by the time the juices spray wildly in your mouth and the filament-like legs slide down your throat, there's no ...

MONTPELLIER, France — Researchers have uncovered an unusual survival strategy in Iberian harvester ants that turns basic biology on its head: The queens can produce eggs that develop into two ...