the case of grayson. instead, the doctor essentially put an implant that goes straight to where that sound should go. it's called the cochlear nucleus. it's on the brain stem. you don't need to remember the names here. essentially they're recreating part of the central nervous system so he can take that sound and actually hear. now, the goal obviously is to see how much sense he can make of that sound. we know he's listening to music and will turn it up when he sees the radio or something like that. the doctors are very optimistic he'll be able to process that sound, understand it, turn in the language and start expressing himself in that way as well. that was the goal for them. so far it looks like it's working. he's the first kid in the country to have an auditory brain stem implant. there are nine more children who have been approved for this. we'll keep an eye on it, fred. back to you. >> that is incredible. thanks so much, dr. sanjay gupta. mission accomplished. what a sweet, sweet evolution of events there. airports aren't exactly known as the place to go for