This definitive trip around male and female anatomy confirms what humans often forget: men and women are made for each other. Scientific experts, intimate portraits and real-life situations explain how human bodies grow, adapt and support each other.
Find out how the unique anatomy of men and women encourages reproduction from attraction to conception. More efficient than any machine and more beautiful than a work of art are the male and female human bodies at the peak of reproductive fitness.
The human body works in specific, yet subtle ways in order to ensure reproduction. Discover the biological responses to attraction and mating, and observe the fascinating evolutionary story of natural selection and care giving as a couple tries to start a family.