500 Million-Year-Old Fossils With Three Eyes And Visible Brains Discovered - IFLScience

Some 506-million-year-old fossils from the Burgess Shale are so well preserved we can see their brains and nervous system, challenging ideas about the evolution of insects and spiders.

Finding a three-eyed extinct species is strange enough discovering its beautifully preserved brain and nervous system when it has been dead for half a billion years is a paleontologist's dream. The R… [+3426 chars]

full article...