Dinosaurs is awesumgud:
Researchers have found one of the oldest and most detailed fossils of the central nervous system yet identified, from a crustacean-like animal that lived more than 500 million years ago. The fossil, from southern China, has been so well preserved that individual nerves are visible, the first time this level of detail has been observed in a fossil of this age.
The article: user link on phys.org
Pretty cool. Usually the bots post these articles but I found this and wanted to post it. You know, for funzies. Also, awesumgud dinosaurs.
