Discovery: Obsessed with the Quest: Inside the Minds of Chimpanzees

Stories of dangerous expeditions, told first-hand by tenacious scientists. This episode focuses on primatologist Catherine Hobaiter's efforts to understand chimpanzees. Catherine has spent more of her adult life in the rainforests of Uganda with family bands of chimpanzees than she has with her own human family members. Also, Sara Dykman recounts her 10,201-mile journey following the monarch butterfly migration, from the mountains of central Mexico, across the USA to Canada, a 10,201-mile trek