Ants may be the Undead

Living Argentine ant workers carry both a "dead" signal and an override "not dead yet" signal

5:24pm, May 4, 2009

Colonies of Argentine ants spreading around the world might be real-life invasions of the living dead.

Normal, still-breathing adult workers carry chemicals signaling “Dead ant — haul to burial pile” on their outer covering, proposes Dong-Hwan Choe of the University of California, Riverside.

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