From Leadership University. (H/T The Poached Egg) Excerpt: Dr. Paul Chien, chairman of the biology department at the University of San Francisco, recently accepted a unique invitation to travel to China to study fossils of the Cambrian era. What Chien found at the Chengjiang site, and what he has since learned about the Cambrian fauna, … Continue reading Paul Chien interviewed on the Cambrian era fossils