| Bad guys really do get the most girls Men with the so-called 'dark triad' of personality traits – psychopathy, narcissism and Machiavellianism – have a more prolific sex life pheedo.com |
Spanking 'brings couples together' Stress associated with sadomasochistic activities soon dies away, hormone studies show, and couples report increases in relationship closeness feeds.newscientist.com |
Good vibrations get a club-winged manakin going When it comes to wooing a mate, one bird finds it pays to make like a grasshopper feeds.newscientist.com |
Limp reception for female 'libido drug' A drug dubbed 'female Viagra' that boosts women's libido may have come a step closer, but is it really necessary? feeds.newscientist.com |
Evolutionary sex wars continue despite peace treaties Beetles show that evolutionary male-female tugs-of-war may not be halted by the emergence of single-sex traits feeds.newscientist.com |