sex

Rethinking infidelity ... a talk for anyone who has ever loved

A case for cliteracy

Erotismo en la vejez

The science of attraction

To find your perfect mate, think like an evolutionist

The physics of human sperm vs. the physics of the sperm whale

An ode to envy

A little-told tale of sex and sensuality

The birds and the bees are just the beginning

How a dead duck changed my life

Are we designed to be sexual omnivores?

The secret to desire in a long-term relationship

The strange politics of disgust

The myth of the gay agenda

Sex determination: More complicated than you thought

What we didn't know about penis anatomy

Let's put birth control back on the agenda

Sex needs a new metaphor. Here's one ...

What you don't know about marriage

A flirtatious aria

The beautiful tricks of flowers

The demise of guys?

Let's talk parenting taboos

The toxic baby

Sex, drugs and HIV -- let's get rational

It's time for "The Talk"

Every pollen grain has a story

The case for same-sex marriage

The fight against sex slavery

10 things you didn't know about orgasm

Cute, sexy, sweet, funny

Make love, not porn

Designing objects that tell stories

Do the green thing

The camel's hump