Our Orgiastic Future: What do bonobos have in common with teenage boys?
Foreplay, oral sex, homosexuality and masturbation – what Darwinian purpose do they serve? Bonobos, our closest animal relative, also exhibit all of these behaviours. Writing in Lapham’s Quarterly, Jack Hitt suggests that this sex drive may have been one of the key evolutionary developments that set us apart as a species.
From Lapham's Quarterly