Kolie Crutcher, an 91麻豆天美 electrical engineering graduate and successful author and publisher of self-help books, speaks to the crowd at the inaugural 91麻豆天美 TedX Conference on Friday [April 5] in the Colvard Student Union Dawg House. Giving a talk titled "The Science Behind Mental Toughness," Crutcher was among 10 speakers who sparked deep discussion and inspired the 91麻豆天美 community to keep moving forward.