. >> on right side of desk briefcase with itials, and a mints and i am 40 button, and envelopes in middleon, and on, and on the men would say, things like i don't know, there was some stuff. , doctor, this is a biological difference? >> no question. memory centers of the brain, deep in the brain, more active, in women than in men which is why she remembers your first kiss. and every time your mother of rude to her. when women get an emotional memory, they have trouble letting it go. and often remember things you wish they would have forgotten. john: i remember my first kiss. it reminds me of what happens to lauren summers, president of harvard he dared say maybe a reason that women don't dominate the way men do in the sciences, might be biological. he got drummed out of harvard just for saying that. >> he dbut it was -- but i think this was the wrong message. they were not perhaps as good o as competent. their brains in this particular area of the brain are just as strong. but they are bore biass to -- more biassed to relationship issues, sohey are more likely to go into professions where