The Human SexesWill boys always be boys and girls always be girls? Will we ever really understand each other? You may be shocked by your conclusions.

Prepare yourself for an intimate, erotic examination of physical differences between the sexes, from body fat to brain power.

See Turkish men demonstrate their suitability as mates by wrestling in olive oil. Celebrate Mardi Gras in New Orleans, where women bare their breasts to entice men to reward them with strings of beads.

1. Different But Equal. Observe women who flaunt their femininity as exotic dancers, and female body builders who develop their muscles to the point of masculinity. Examine brain scans that show that men and women even think differently about the same problems. Different But Equal explores whether the amazing differences between men and women are based on biology or history.

2. The Language Of The Sexes. How does boy meet girl? Is finding a mate ever easy? How do you send out a signal that you're available? There are as many ways to speak the Language Of The Sexes as there are cultures. The Japanese build shrines to the male phallus. many Muslim women live behind veils. Ethiopian tribeswomen enlarge their lips with ceramic plates, and some Chinese used to crush women's feet to keep them tiny and delicate. Compare all this to America, where women practice gender amplification with silicone breast implants, collagen lip injections and tight high heels. It's easy to see why the Language Of The Sexes is so hard to understand.

3. Patterns Of Love. How far would you go for love? Get ready to be amazed as you see people go further than you ever thought possible. Patterns Of Love will take you to a brothel in Nevada, love hotels for married adults in Japan and a bachelor auction in Alaska. You'll meet pop star Mongo Faya of Cameroon... and his 58 wives. Visit Istanbul's Topkapi Palace where the Sultans keep harems of hundreds of wives. Fly to Moscow with a group of American men hoping to bring home just one wife. And check out technology's answer to a troubled marriage: an automatic divorce machine that accepts all major credit cards. Patterns Of Love may change your definition of love.

4. Passages Of Life. Morris catalogues the ways human cultures mark, honor, and celebrate the biological transition from childhood to puberty, and how such rituals distinguish men from women. Highlights include a theory that circumcision originated in ancient Egypt as part of a snake religion strategy for achieving immortality.

5. The Maternal Dilemma. In today's world' is it tougher to be a mother... or a father? Will it ever be possible to balance work and motherhood? No matter what you currently believe, The Maternal Dilemma will surprise you with new insight. See working mothers in Japan and England who leave their children in day-care centers. Discover the 'granny solution' in Greece. Explore the 'paternal solution' with stay-at-home fathers in America. Have dinner with a man from Utah who has several wives: some have children while others pursue careers. Compare women who work in fields with babies at their side, to Western women trying to balance kids with a career. It'll soon become clear that The Maternal Dilemma is something everybody shares.

6. The Gender Wars. Do you know what side of the Battle Of The Sexes you're on? You might be stunned by this eye-opening look at the recent struggle for equality between the sexes. Originally, there was a primitive balance between the sexes, but when people left the village for the city, the natural balance disappeared. Find out the origins of honeymoons and other tools of male dominance like wedding rings and female circumcision. Travel to Finland for the annual wife-carrying contest celebrating the capture of women from other villages. follow the rise of feminism, from turn-of-the-century suffragettes to the National Organization for Women. Visit the front lines of the gender wars with female stock traders and female firefighters who parachute into blazing California forests. Pay attention: what you learn here may just help you survive The Gender Wars.

Watch the full documentary now (playlist - 4 hours, 42 minutes)