STUDY: Attractive Men Have Long Ring Fingers. “The results, published in the British Royal Society’s journal Biological Sciences, unveil intricate links between foetal exposure of males to hormones, the development of certain physical traits, and what turns on the opposite sex. It also adds to a growing body of research — conducted under the banner of evolutionary psychology — suggesting that the drivers of human behaviour are found, more than previously suspected, in ‘nature’ rather than ‘nurture.'”