Sex and Psychology

Is bisexuality more common in women or in men? It depends whether you’re talking about a bisexual identity or a bisexual behavior pattern…



Sex Question Friday: How Can We Make Anal Sex More Pleasurable?


Sperm Cooperation: Sometimes Sperm Swim Together To Enhance Performance


On First Meeting, Being “Nice” Helps Women More Than Men


Nocturnal Orgasms Aren’t Just For Men—Women Have Them Too


What Is It Really Like To Be A Sex Researcher?


6 Of The Most Unusual Animal Genitals (VIDEO)


Losing Your Virginity: Less Awkward Than It Used To Be