Are STEM teachers biased toward boys?
At early ages, girls often outperform boys in math and science classes. Later, something changes. By the time they get into high school, girls are less likely than boys to take difficult math courses and less likely, again, to go into careers in science, technology, engineering or medicine. To learn more about this, David Greene spoke with NPR social science correspondent Shankar Vedantam.
Click here to read/listen to this September 1, 2015 NPR story by Shankar Vedantam.