Grayson Clamp just heard his father for the first time, and if that doesn't brighten up your day we don't know what will.
Three-year-old Grayson Clamp was born without a cochlear nerve, meaning that he was completely deaf. He was unable to get a cochlear implant, so his parents signed him up to participate in a trial as the first child in the U.S. to have an auditory brainstem implant. Since nobody wants to read a story about a child's brainstem implant that doesn't work, you can probably guess how things turned out. We've even got video of little Grayson hearing his first words.