Stranded and left for dead years after falling into a forsaken bunker meant to house nuclear weapons, a colony of ants has apparently resorted to necrotic cannibalism not only to survive, but to thrive. Checking in recently on a colony of Formica polyctena ants that fell into the nether depths of a decrepit, abandoned nuclear weapons storage bunker in rural Poland, a team of researchers led by Prof. Wojciech Czechowski of the Polish Academy of Science found that their numbers hadn’t shrunk at all. In fact, they’d proliferated — even though their entrapment had cut the colony off from any...