Join the Dr. Sean Graham, Dr. Thomas Shiller, Dr. Anirban Bhattacharjee, and Conley Rasor as the Knights interview Dr. Tania Hernandez! Dr. Hernandez is a new world succulents cactus scientist at the Desert Botanical Garden in Phoenix Arizona. She specializes in researching the Origin, evolution and diversification of succulent lineages, with particular focus on Cactaceae and Agavoideae. Dr. Hernandez talks with the Knights about plant evolution with a phylogenetic perspective!