As many as 40 percent of students who intend to go to college don't actually show up to their new campuses in the fall. Education researchers call this phenomenon "summer melt," and it has long been a puzzling problem. These kids have taken the SATs, written college essays, applied to and been accepted by a school of their choice. Often they've applied for and received financial aid. So why would they not show up at college? This week, we bring you a 2017 episode looking more closely about the problem — and one way to address it.