Sexual reproduction, in which two individuals produce an offspring that possesses a selection of the genetic traits of each parent, is exclusive to eukaryotes. Genetic traits are encoded in the …

Jan 5, 2026 · Sex, the sum of features by which members of species can be divided into two groups—male and female—that complement each other reproductively. Sex, sexuality, and …

Dec 23, 2025 · In general use in many languages, the term sex is often used to mean “sexual activity”, but for technical purposes in the context of sexuality and sexual health discussions, the above …

From attraction to action, sexual behavior takes many forms. As pioneering sex researcher Alfred Kinsey put it, the only universal in human sexuality is variability itself. Human interest in...

Aug 13, 2024 · Benefits of sex include improved immunity, stress reduction, weight management, and more. Know how sexual activity can positively impact your overall well-being.

Learn about topics such as How to Masturbate Better (For Women, Men & Folks of All Genders), How to Make Sex Better, How to Have an Orgasm (for Women), and more with our helpful step-by-step …

The meaning of SEX is either of the two major forms of individuals that occur in many species and that are distinguished respectively as female or male especially on the basis of their reproductive organs …

Oct 19, 2023 · It's vital to know about sexual health and what it takes to have a good sex life. And it's just as important to be aware of what causes problems in sexual health. Don't let being uneasy keep …

Healthy relationships can bring joy and connection to our lives — and sex can play a major role. Find out what it takes to have a healthy, happy, and meaningful sex and love life.

Sex refers to physical and biological traits—whereas gender refers especially to social or cultural traits—and the physiological and psychological processes related to procreation and sexual pleasure.