Middle-aged men want younger women, often touting their intelligence and their high income. This is shown in research at Gothenburg University and Oxford University that studied 400 lonely hearts ads to see how men and women choose partners.

Displays of altruism or selflessness towards others can be sexually attractive in a mate. This is one of the findings of a study carried out by biologists and a psychologist at The University of Nottingham.

Physical attractiveness is important in choosing whom to date. Good looking people are not only popular targets for romantic pursuits, they themselves also tend to flock together with more attractive others. Does this mean then that more attractive versus less attractive people wear a different pair of lens when evaluating others’ attractiveness?

Pedophilia, the sexual attraction of adults to children, is a significant public health concern and it does not respond well to treatment. Additionally, the brain mechanisms underlying pedophilia are not well understood. A new study being published in the September 15th issue of Biological Psychiatry is the first of its kind to use functional brain imaging to describe neural circuits contributing to pedophilia.

Men with large jaws, flaring cheeks and large eyebrows are sexy, at least in the eyes of our ancestors, researchers at the Natural History Museum have discovered. Facial attractiveness played a major role in shaping human evolution, as studies on our fossil ancestors have shown our choice of sexual partner has shaped the human face.

The coming summer vibrates with expressions of insect love and desire. The cicada's songs or the butterflies' bright colours are examples of how an emitting sex attracts conspecific members of the responding sex.