Folding Words Around Models Inspired by RNA.- Phylogenic Networks.- Tropical Geometry.- Chip Firing Games and Critical Groups.- Counting Tilings by Taking Walks in a Graph.- Beyond Coins, Stamps, and Chicken an Invitation to Numerical Semigroups.- Lateral Movement in Undergraduate Case Studies in Number Theory.- Projects in (t,r) Broadcast Domination.- Trigonomtry in the p -norm.- Researching in Undergraduate Mathematics Education.- Possible Directions for Both Undergraduate Students and Faculty.- Undergraduate Research in Mathematical Epidemiology.