http://www.nytimes.com/2014/12/27/us/college-science-classes-failure-rates-soar-go-back-to-drawing-board.html?hp&action=click&pgtype=Homepage&module=second-column-region®ion=top-news&WT.nav=top-news&_r=0
http://www.teachthought.com/technology/the-50-best-smartphone-apps-for-teachers-arranged-by-category/