CNN CNN Newsroom June 20, 2013 14:19:00
In grayson clamp's brain which now helps him process sounds. his mom says he's still getting the hang of it. >> we don't really know exactly what it's like for him. we don't know exactly what he hears, if he hears everything we hear, some of what we hear. his brain is still trying to organize itself to use sound. >> it's amazing. grayson's family is now working with him so he can learn how to interpret the sounds he's now hearing. a pool party reportedly leaves one man in a coma and sickens several others. organizers of a pool party in mexico had poured liquid nitrogen in the water. the liqu...