Studies have found that roughly 40 percent of students planning engineering and science majors end up switching to other subjects or failing to get any degree… “We’re losing an alarming proportion of our nation’s science talent once the students get to college,” says Mitchell J. Chang, an education professor at U.C.L.A. who has studied the matter. “It’s not just a K-12 preparation issue. NY Times, 11/4/11, http://www.nytimes.com/2011/11/06/education/edlife/why-science-majors-change-their-mind-its-just-so-darn-hard.html