In a video that may make your heart swell, 3-year-old deaf child Grayson Champ got to hear his father speak for the first time.
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As part of a children's research trial at University of North Carolina in Chapel Hill, Champ was outfitted with an auditory brain stem implant that would allow him to hear sound for the first time. He is the first child to have the implant. Check out the video below: