SEXUALITY

Sexuality deals with humans' perceptions and behaviors as sexual beings. Learn about both the biological and emotional aspects of sexuality in this section.
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Does cheating run in the family?

Plenty of people cheat. Collective data on cheating behavior among married couples projects that between 20 and 40 percent of men and 20 and 35 percent of women have committed adultery against their respective spouses. Could genetics be to blame?

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  • Group X or Group Sex: What defines asexuality?
    Group X or Group Sex: What defines asexuality?

    Although it might be hard to perceive of sex being a moot point, a mere mechanical operation meant for reproduction, self-identified asexuals assure that it's a reality. Test your knowledge of life sans sex with this asexuality quiz. See more »

  • How Asexuality Works
    How Asexuality Works

    You can't neatly slice the human population into heterosexual and homosexual camps. For people who identify as asexual, sex is a moot point. But does that mean romantic relationships are completely out of the question? See more »

  • How Orgasms Work
    How Orgasms Work

    After decades of clinical research, there's still a lot that's not known about that climactic, pleasurable sexual sensation known as an orgasm. What's the biology behind the big moment? And why do men and women experience it differently? See more »

  • Is gender just a matter of choice?
    Is gender just a matter of choice?

    There are all sorts of old wives' tales about how to influence the biological sex of your unborn baby. Eat red meat for a boy, chocolate for a girl. But while science is starting to give parents the chance to pick sex, there's no sure way to pick a baby's gender. Wait -- they're not the same thing? See more »

  • Love in the Lab: Top 5 Historical Discoveries About Sex
    Love in the Lab: Top 5 Historical Discoveries About Sex

    As science advanced from philosophy to empirical knowledge, groundbreaking discoveries -- like the five on this list -- revealed a lot about the reproductive equipment inside human bodies. Which revolutionized our understanding of sex the most? See more »

  • Oh My Gosh, an Orgasm Quiz!
    Oh My Gosh, an Orgasm Quiz!

    Oh, oh, it's magic. Yes, we're talking about orgasms, those physiological fireworks that erupt at the heights of sexual ectasy. But orgasms are also like snowflakes -- each one is a little bit different for different people. Test your knowhow of the Big O with this blizzard of facts about how the ultimate pleasurable sensation works in the human body. See more »

  • The Science of Love
    The Science of Love

    You might chalk it up to serendipity or fate, but turns out, love is also a science, and the ways people act when falling in and out of love are often a direct result of chemicals buzzing around in their bodies. From breakups to make-ups, how do researchers make sense of it all? See more »

  • The Sex Drive Quiz
    The Sex Drive Quiz

    Most men and women have an active libido, though the relative strength of that sex drive can vary significantly between people and over time. Grab a few minutes to take your sex drive knowledge for a test drive. See more »

  • The Ultimate Sex Quiz
    The Ultimate Sex Quiz

    Making love. A roll in the hay. The mattress mambo. Doin' the deed. Ready to test how much you know about sex? As Marvin Gaye would say, let's get it on. See more »

  • Top 10 Things That Can Reduce Sex Drive
    Top 10 Things That Can Reduce Sex Drive

    Few things in life can be as unsettling as having your libido disappear. Even more frustrating is not knowing why. Here, we'll discuss 10 things that can reduce sex drive. See more »

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