500M-Year-Old Fossil Brain Helps Paleontologists Understand Origins of Arthropods

Dr Javier Ortega-Hernández of the University of Cambridge, UK, has discovered one of the oldest fossil brains ever found, and used it to help identify a key point in the evolutionary transition from soft to hard bodies in early ancestors of arthropods. Dr Ortega-Hernández looked at two types of arthropod ancestors from the middle Cambrian [...] —> Read More