The Look of Love: Top 5 Physical Signs of Attraction

Even if you can't describe your ideal romantic partner, you'll know him or her on sight. Your body will produce physical signs that grab your attention and direct it toward the crush in question. Which lovesick symptoms should you look out for?

The Science of Sex

Of all human activities, sex is possibly the ultimate mind-body experience. Which senses and body parts -- from head to toe -- does male and female sexual attraction engage?

Studies show that people often rank faces that resemble their parents as more attractive than other faces. Is this creepy, or can we pick up on clues about who will make a good parent by relying on our own parents as guides? Listen in to find out.

Do blind people experience 'love at first sight' instant attraction?

When discussing the concept of love at first sight on the most recent Stuff Mom Never Told You episode, Molly and I speak solely from the perspective of being able to actually see the object of attraction. But how might that instant magnetism change if you're blind? According to one blind man's account, it seems that 'love at first sight' then becomes 'love at first sound'.

Let's Put the 'Slut Gene' to Bed Already

Science doesn't get much sexier than this. Researchers at Binghamton University in New York have supposedly identified a 'slut gene'. People with a particular genetic variation of dopamine receptor DRD4 may be more inclined to hop into the sack with a stranger or cheat on a partner. Scandalous! Sort of.

According to stereotypes, men find women with small feet more attractive than large-footed ladies. Is there any science to back up that claim? Molly and Cristen discuss what studies reveal about foot size and sexual attractiveness in this episode.

According to anecdotal evidence and some studies, women are often attracted to "bad boys" -- risk-taking, narcissistic types. Molly and Cristen discuss three personality traits that make bad boys (and girls) appealing in this episode.

Molly and Cristen discuss what studies suggest about body language and initial attraction (and even test out some of the behaviors themselves) in this episode.

When it comes to relationships, the conventional wisdom is that opposites attract. In this episode, Molly and Cristen explore what genetics, scientific studies and anecdotal evidence suggest about what makes romantic partners most attractive to us.

If you're like many women, you've spritzed on perfume before going out. But have you ever wondered what that sweet scent is really doing for you? Sniff out the science and stereotypes behind perfume in this podcast from