A Martialis heureka worker foraging in a subterranean tunnel in a drawing depicting the ant in its assumed natural habitat as inferred from its morphology.
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A Martialis heureka worker foraging in a subterranean tunnel in a drawing depicting the ant in its assumed natural habitat as inferred from its morphology. German biologists have discovered a new species of ant they believe is the oldest on the planet, dating back around 120 million years.(Reuters)