Some researchers say that men can have 'women's brains' and that women can think more like men.
  • Get a brain sex profile and find out if you think like a man or a woman.
  • See if you can gaze into someone's eyes and know what they're thinking.
  • Find out why scientists are interested in the length of your fingers.
  • See how your results relate to theories about brain sex.

BBC - Science & Nature - Sex ID