“… According to a study published Wednesday in PLOS ONE, calculus might actually be a common leaky point in the pipeline of women in STEM. The gender gap is closing, but not closed — according to the U.S. Bureau of Labor Statistics, women make up 47 percent of the nation’s workforce but just 39 percent of chemists and material scientists, 28 percent of environmental scientists and geoscientists, 16 percent of chemical engineers and 12 percent of civil engineers.” …