According to researchers writing in the journal Psychological Science, people who aren't in relationships over longer periods can develop "different personality traits compared to partnered people." ...

Created with Sketch. Recently, researchers have begun to hypothesize that a single core factor—classified as “D”—may underlie many different negative traits, including those in the Dark ...

and different alleles of a given gene are known to give rise to different traits. For instance, breeding experiments with fruit flies have revealed that a single gene controls fly body color ...

According to new research based on tens of thousands of survey findings, single people tend to be less extraverted, less conscientious and less open to experience compared to those in ...