There has been a big push in schools across the country to emphasize STEM: Science, Technology, Engineering and Math. And girls are being encouraged to enter these fields more than ever. But what happens when those girls become women?

Today on the Best of Our Knowledge, a look at the challenges women face working in the STEM fields. We’ll also learn about a different kind of STEM occupation…sound engineering, go back in time to take another look at time travel, and spend an academic minute with the shrinking number of international adoptions.