Mirroring the mechanisms that make human faces and bodies—and those of many multicellular organisms—symmetrical, bee colonies build symmetrical nests when they are placed on either side of a ...

Though incapable of forming images, these “ocelli” track patterns of light ... of bare ground for nesting, and help stave off the fungal infections that afflict bees in wetter habitats.

In fact, the social organization inside a nest rivals that in the best-run corporations, with each bee and each cell possessing a rigidly specific function. If you're unfamiliar with them ...