Man is a unique mammal. Unlike other animals, we continue to have sex even if it does not result in children.
Ulf Ellervik, professor of organic chemistry, dispels the myth that humans find partners with the help of pheromones. It is incredibly rare that we humans smell someone in the crotch, he says in Idébyrån.Hear more about love relationships, monogamy and the animal man on SVT's Idé byrås.