The first complete 3D reconstruction of the compound eye of a minute wasp species sheds light on the nuts and bolts of size reduction.

They found the ancient creature had a primitive form of compound eye, an optical organ that consists of arrays of tiny visual cells, called ommatidia, similar to those of present-day bees.

Bees also have compound eyes. Now ... Very helpful if you’re a hungry bee! Dogs’ eyes aren’t great at seeing colours, but they are good at seeing some ultraviolet. This means they can ...