54 million year-old fossil flies yield new insight into the evolution of sight
(PHYSorg.com Archaeology & Fossils)

Fossilised flies that lived 54 million years ago have revealed a surprising twist to the tale of how insects` eyes evolved. These craneflies, unveiled in Nature today, show that insect eyes trap light the same way as human eyes, using the pigment melanin-yet another example of evolution finding similar solutions to similar problems.