World’s Oldest Preserved Brain Found in a 319 Million-Year-Old Fish Fossil
Fish are generally not known to be clever critters with tremendous brain power. Goldfish, in particular, are believed by many to have three-second memory spans, but that's not true. Another fish's brain has recently grabbed the spotlight for a different reason. A 319-million-year-old fish fossil sitting in the Manchester Museum has revealed that within its skull are a brain and cranial nerves that are the oldest well-preserved vertebrate brain ever discovered.












































































