SA Special Editions

It turns out that male and female brains differ quite a bit in architecture and activity. Research into these variations could lead to sex-specific treatments for disorders such as depression and schizophrenia

The preference for playing hockey, or house, in the brain are small—unless grown-up house, is far from fixed. Sex differences up assumptions magnify them

In infants, Elizabeth Spelke finds fundamental insights into how men and women think

Why do men dominate the fields of science, engineering and mathematics?

Women get sad. Men get mad. Depression comes in many hues

Women and men have different ways of speaking, but research reveals the conversational gender divide is not as stark as it seems

The key to keeping the magic alive in a marriage, experts say, is finding ways to promote the positive

Researchers are revealing hidden complexities behind the simple act of kissing, which relays powerful messages to your brain, body and partner

Some researchers say johns seek intimacy on demand. Others believe that these men typically want to use and dominate women

Men and women may have different roles when it comes to comedy, but laughter is crucial from flirtation through long-term commitment

Transsexuals are illuminating the biology and psychology of sex—and revealing just how diverse the human species really is By Jesse Bering

Pregnancy and childbirth shape a woman's mental makeover

Move over, “mommy brain.” Men go through their own biological changes after a baby is born. But dads are programmed to challenge their kids, not coddle them

A deep despair mars the first year of motherhood for as many as one in five women. Without treatment, postpartum depression can weaken critical bonds between a mother and her child

Could becoming a father after age 40 raise the risks that your children will have a mental illness?

We each have two parents, but their genetic contributions to what makes us us are uneven. New research shows we are an amalgam of influences from Mom and Dad