On this edition of Conversations, Dr. Arik Kershenbaum talks with host Dan Skinner about “The Zoologist’s Guide to the Galaxy: What Animals on Earth Reveal About Aliens – and Ourselves.” Dr. Kershenbaum is a zoologist who has done extensive field work on animal communication. He is a member of the international board of advisors for METI.org, a think tank on the topic of Messaging Extraterrestrial Intelligence.