article_snippet: Dr David Lewis, a psychologist at Bilkent University in Turkey, said: 'It's an independent and previously undiscovered standard of attractiveness. '
article_snippet: Dr Lewis said that this trait would have become sexually attractive to men due to the evolutionary advantage it gave.
article_snippet: An example of the silhouettes shown to men during the study with different curvature of the spine.
article_snippet: For the study, which was published in the journal Evolution and Human Behaviour, the psychologists showed 300 men silhouettes of women with different angles of curvature.
article_snippet: the psychologists were then asked to rate the images according to how attractive the psychologists found the silhouette.
highlights_snippet: Trait would have been seen as preferable in early hunter-gatherer societies .
  
highlights_snippet: Scientists at Bilkent University, Turkey studied the preferences of 300 men .
  
highlights_snippet: Scientists at Bilkent University were shown  silhouettes of women's bodies and asked to rank Scientists at Bilkent University .
  