Senior neuroscience student Sharon Lall and Master's student of computational biology Raghu Avula react while riding Wipeout on Thursday during the first day of the Carnegie Mellon University Spring Carnival. (Photo by Steph Chambers/Post-Gazette) #Pittsburgh #PGH #412 #CMU #CarnegieMellon #CarnegieMellonUniversity #SpringCarnival #CMUCarnival #carnival #PGPhotos