USAToday.com: Girls may learn to fear math from the women who are their earliest teachers.Despite gains in recent years, women still trail men in the US in some areas of math achievement, and the question of why has provoked controversy.Now, a study published in the Proceedings of the National Academy of Sciences of first- and second-graders suggests what may be part of the answer: Female elementary-school teachers who are concerned about their own math skills could be passing that along to the little girls they teach. Related linkFemale teachers’ math anxiety impacts girls’ math achievement