is a popular book about sex and human nature, written by PT blogger Chris Ryan and Cacilda Jethá. Some other PT bloggers seem to be huge fans of the book (for instance, see this recent post by Nadja ...

Men and women are either more inclined towards promiscuity or fidelity - with your index finger suggesting which category you fall into, researchers say. While other species are generally either ...

If you've ever been called a slut or a slag, or been scared of being called one, then you know what it feels like to experience the double standards surrounding promiscuity. We've all grown up ...

Many believe that most people dislike individuals who have sex with a lot of partners—although one's definition of “a lot” is highly subjective. In study after study, promiscuous people are seen as ...

Old theories say that man is the philanderer while newer studies say women are. We join in the debate by asking the women if they’re more promiscuous Thanks to a theory that was laid in 1948, women ...

Females are coy and males are ardent. This was Darwin’s somewhat Victorian portrayal of the sexes in his book The Descent of Man and Selection in Relation to Sex. The myth that males are naturally ...

Of the 100 "top science stories for 2012" chosen by Discover Magazine, I am most fascinated by #42: "The Myth of Choosy Women, Promiscuous Men." It reports a serious challenge to an experiment that ...

Are you a Don Draper or a Mr. Darcy? It turns out, people may naturally fall into two distinct groups: those who want a long-term love, and those seeking more casual encounters, a new study suggests.