Dr. Arik Kershenbaum: If Complex Extraterrestrial Lifeforms Do Exist, What Might They Be Like?

If complex alien lifeforms do exist on other planets, what might they look like? How much would they resemble us? How would they function, communicate, and reproduce? Those and other intriguing questions about possible extraterrestrial life have long interested Dr. Arik Kershenbaum, an Israeli-educated zoologist who lives in the U.K. and teaches at Cambridge University.…