Research indicates that, contrary to popular belief, our ancestors practiced sexual equality. Morris argues that it was only when modern urbanization disturbed the delicate balance between the sexes that women became widely perceived as inferior. In many cultures, including our own, women are still struggling to overcome the legacy of prejudice, both male and female.

Morris argues that the biological differences between the sexes have been greatly exaggerated, and explores the hundreds of bizarre rituals that people undergo to attract mates -- from body piercing to tattooing.

Provocative and original, packed with photographs and illustrations from the film, The Human Sexes is a challenging look at the world's most fascinating debate.