From Science:
Why are women underrepresented in many areas of science, technology, engineering, and mathematics (STEM)? This is a question with no easy answers. In science, as in many areas of life, bias against women exists,, but researchers disagree on how much bias matters ….

For the full story, please visit http://www.sciencemag.org/content/347/6219/234.full?sid=c0f58b05-7983-4638-a235-7df9e752e4d7.