A column about the science of sex. Contact me about The Sex Files at popsci [dot] thesexfiles [at] gmail [dot] com

Could Scientists Have Found a Gay Switch? 
December 2012

Rape Results In More Pregnancies Than Consensual Sex, Not Fewer
August 2012

Strong Hands and Voice Pitch Really Are Signs of Fertility
August 2012

What Our Eyes Say About Our Sexual Preferences
August 2012

After Decades of Mystery, Has the G-spot Been Found?
April 2012

The Surprising Phenomenon of Exercise-Induced Orgasms
April 2012

Does a Splash of Red Make a Woman More Attractive?
February 2012

How Men Can Decode Women’s Menstrual Cycles
January 2012

Can Animals Really Be Gay?
October 2011

What is the Point of the Female Orgasm?
September 2011

The Science of Gaydar
July 2011

The Sex Files: Why Sex with Creatures from the Future is a Bad Idea
June 2011

The Sex Files: The Psychology of Semen, Part Two
May 2011

The Sex Files: Does Semen Act as an Antidepressant to the Recipient?
May 2011