Can you guess which girls' names reigned supreme during the 20th-century decades?

Can you guess which boys' names reigned supreme during the 20th-century decades?

Cristen explains the origin of the term "feminism," what it means and whether men are invited to the gender-equality party.

If women can wear pants, then why can't men wear skirts? Cristen globe-trots around the world to where men wearing skirt-like garments is always in fashion.

Babies cry because they're distressed, but scientists still aren't sure what types of negative emotions they experience and whether their angry facial expressions match their emotional state.

What do we mean when we say that there's a "sexual double standard" for men and women, and where did it come from?

Who's the cleaner sex? Hard to tell when you spend enough time in women's bathrooms that swarm with bacteria-spawning beauty products and other germ-ridden delights.

Meet Annette Kellerman, the inventor of the women's one-piece swimsuit who was thrown in jail for wearing it on a Boston beach.

What happens in the brain when we brag about ourselves? Cristen shows off the fascinating science of self-promotion.

A couple lesbians want to know why straight guys don't believe they're gay and think they can turn them hetero, and Cristen waxes "Chasing Amy."