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When women see men, they think of sex. You could equally well say that men think the same thing when they see women. But the reasons are very different. When men see women, they become aroused and so they...

Intercourse involves reproductive risk for women

Men tend to focus on sexual pleasure so we often equate sexuality to responsiveness. Orgasm is certainly one erotic pleasure that motivates a person...

Why men feel inadequate over penis size

Men’s sexual role (after impregnating women) is to protect the family. In an aggressive situation a man must be physically large and muscular to...

At puberty boys develop a reliable arousal cycle

From a young age, many boys already demonstrate a more active and outgoing personality than most girls. Boys enjoy physical activities such as sport...

The female erectile sex organ (or phallus)

In the absence of testosterone, the genital tubercle forms the female phallus, called the clitoris. The clitoris consists of the glans and the internal...

Sexual responsiveness & orientation

Sexuality is about responsiveness and orientation, both of which are determined before we are born. Among the genes we inherit from our parents are...

The significance of nudity & being touched

Private parts refer to the anatomy that we may want (or be required) to cover up. Private parts include the buttocks, the genitals and...

Intercourse is a territorial act of male dominance

In a society where men and women raise families together, intercourse is presented as a lovemaking act. But by looking at Nature we can...

Consent is vital even within loving relationships

Sexuality is about the choices we make to explore our sexuality both alone and with a lover. The way in which we express our...

Sex is an emotional bonding mechanism for men

For men, sex is like a magic pill that makes the world seem more positive. Some men look to women as a distraction from...

Women drive the need for dating and romance

Without sex, there may be friendship between adults but there is little physical intimacy. Heterosexual women are dependent on men to provide this sense...

Intercourse is an act of mating & impregnation

Sexuality is about the act of mating. Humans do not have sex simply in order to reproduce. We also have sex to enjoy pleasure...

Similarities between male and female responses

Orgasm is a basic physiological response of the human body. Just as the same mechanism causes men and women to sneeze, so we also...

Orgasm is a one-off sexual release that is innate

Orgasm is foremost a response of the nervous system. Spontaneous orgasm (without any genital stimulation or mental focus on eroticism) occurs very rarely. Some...

We (not a sex toy or lover) cause our own orgasm

Even when a sex organ is capable of penetration (as the penis is), it cannot cause a lover’s orgasm. For a person to orgasm,...

The kind of stimulation that leads to orgasm

Regardless of orientation, men orgasm through intercourse, masturbation and fellatio. A man’s arousal (in the form of an erection) also gives him a clear...

Understanding a man’s need for erotic turn-ons

For most people, sexual activity whether alone or with a lover is a private affair. We rarely see other people engaging in sexual activity....

Why couples don’t discuss female arousal

Most of us are insecure about pleasing or performing for a lover. We want to know how we can be good in bed. But...

Men & women’s perspectives on relationships

Sexuality is about a sexual relationship, which includes social, emotional and sexual aspects. Long-term committed relationships are vital to supporting families over the decades...

Premature ejaculation and male impotence

Premature ejaculation is the most common sexual problem for men. The objective of a mating act is for the male to deposit his semen...

A man needs to make sex exciting for a woman

When women see men, they think of sex. You could equally well say that men think the same thing when they see women. But...

Sexual pleasure is defined by sociable activity

Mammals use grooming to connect socially with others. They also snuggle up together for warmth and comfort. Regardless of responsiveness, it can be reassuring...

Women attract men by sexualising themselves

We wear clothes for protection, for warmth, for decency and also for display. The need to differentiate ourselves depends on our personality. Many women...