between men and women? isn't it really the fact you've been socially -- men and women have been socially conditioned differently? >> but there are so many studies in 22 countries that women are on average better at verbal skills, better at reading posture gesture tone of voice. from millions of years of holding the baby in front of your face, controlling, reprimanding, educating with words. for millions of years men had to hit that buffalo in the head with a rock before it stampeded him. for that they've got this brain circuitry. >> i don't buy that at all. >> you're just being an lud right now. >> what are you scared of? you're scared of something? >> i think what you're scared of, a lot of feminists are very fright fund we know there are gender differences it will be used against women. >> that's right. >> and that's me. >> these days we have to change our perspective because women are piling into the job market in cultures around the world. and we need to know who they are. >> there's another important reason for this.