Biology professor on the outside, pure penguin on the inside!! I'm Valerie Pennington, Professor of Biology at Southwestern College. I make tutorials to help students understand tough topics in General Biology, General Chemistry, Anatomy and Physiology. I also have a College Success Series AND I partner with my husband Fabio (FabioChem) who is an Organic Chemistry professor. SUBSCRIBE and join the colony! Fresh fish is always available for hungry penguins.