"They're kinda like discarded chicken bones," said Adrian Smith, who studies the Formica archboldi ants.
The ants had fallen down a ventilation pipe and survived for years by feasting on their nestmates corpses.
With the rise of globalization comes the inevitable rise of the alien ant.
This kind of fungus that can linger and grow in an ants body for up to three weeks.
This is the first time a non-human animal has been shown to nurse its wounded, scientists believe.
No queen of the ant species had been seen since 1887; now many colonies have been collected.
German engineers also design lightweight robot butterflies and use insects as models for industrial robots.
The incredibly rare species has a distinctive spore that looks like a brain-shaped clover.