As we mark the one-year anniversary of the blasts at the Boston Marathon that killed three people and injured more than 260 others, the city looks to the lessons and messages of hope that have risen out of the tragedy. It's all a part of the physical and emotional healing. Here is one of those stories, where the impact of a tragedy has resulted in groundbreaking research on blast-related ear trauma. Fifth-year otolaryngology resident Dr. Aaron Remenschneider at Massachusetts Eye and Ear was on-call last year on April 15, 2013. It was a shift change at the hospital when two explosions at the finish line sent injured people to nearby hospitals in a matter of minutes.
