The popular perception of incurable sex criminals may be quite off the mark
Studying blobby, asexual amoebas could absolve biology of its animal bias when it comes to uncovering the mysteries of sex
Join us for a live online chat about the psychology behind sex drive and why so many people are willing to risk it all for a good time
Couples who have sex at least once a week are happiest, perhaps because we think it’s the norm
In annual physicals teens and docs failed to talk sex a third of the time and usually too briefly when the subject was addressed. Dina Fine Maron reports
Asexual reproduction is efficient and reliable in many small organisms, so why will some suddenly decide to mate? A rare lab experiment sheds light on the forces that drive the switch to sex
A new analysis of fetal records shows that the chances of finding a boy or a girl at conception start out at 50–50 and then change over the course of pregnancy
New research explains how three proteins conspire to determine an embryo's sex
A recent assessment of undergrads reveals a gender difference in how the students see their bodies after their first sexual intercourse. Christie Nicholson reports
Thoughts about love or sex make the mind more creative or analytical
Recent research attempts to provide a more nuanced look at the long-held view that men are more jealous of sexual infidelity than emotional infidelity. Christie Nicholson reports
The NIH is due to roll out new sex-balance policies this month. So far that's meant "carrot" rather than "stick" measures, and no clear date for changes to funding rules
It turns out that male and female brains differ quite a bit in architecture and activity. Research into these variations could lead to sex-specific treatments for disorders such as depression and schizophrenia
Some researchers say johns seek intimacy on demand; others believe these men typically want to use and dominate women
The chromosomes differ in males and females. So do certain other structures in cell nuclei. These distinctions are clues to the processes that determine the divergence of the sexes
Watching women in bikinis tends to make men more impulsive when it comes to monetary decisions. Christie Nicholson reports.
Men who do more housework have less sex
Here are my Research Blogging Editor’s Selections for this week: Let’s start out with something particularly morbid (though potentially the best lede ever): “What effect do thoughts of death have on a typical person’s desire for sex?” This fascinating post by Christian Jarrett of BPS Research Digest asks, when is death an aphrodisiac?
Since the musicians can't seem to decide whether Love Will Keep Us Together or Love Is a Battlefield, maybe it's time to turn elsewhere. Scientists are just as fascinated by affairs of the heart, and here we examine romance research that uses fMRI studies and other tools.
Animals that engage in same-sex sexual behavior may be acting in accord with adaptational strategies rather than against them--and bending the way we think about evolution