We spend a lot of time on Instagram (no, really—a lot of time), and when we're not living vicariously through our favorite FOMO-inducing accounts, we're checking on some particularly talented users.

Emily Schaefer, of Hampstead, a senior at McDaniel College, participated in the Harvard National Model United Nations 2013 conference Feb. 14-17 in Boston. McDaniel’s delegation included 19 students ...