1.   Deborah Waber has suggested that sex differences of this sort are not attributable to sex itself but to the difference between the maturation rates of the sexes.

2.   It has also been suggested that there is an evolutionary basis for sex differences in lateralisation.

3.   The sex difference begins to fade in postmenopausal women and disappears completely in older patients.

4.   And a lot of my colleagues still have this fixed idea that sexual selection always implies sex differences.

5.   Another worry is that discoveries of sex differences will justify discrimination.

6.   As a communications medium where personal presence is primarily text and sex differences are not immediately visible, the Internet is tailor-made to help women finally find their voices.

7.   But researchers said that sex hormones were a kind of crutch on which scientists too often leaned to explain all sex differences.

8.   Dialects or sex differences can also be the least of the recognition problems.

9.   Even in lung cancer the sex differences go far beyond the simple fact that historically women began smoking far more recently than men, the report noted.

10.   I also think there is enough maleness in females and enough femaleness in males to render the sex difference musically meaningless.