Sure, a service dog can tell if her owner is about to have an epileptic seizure or is going into a diabetic coma. But can she call 911? If Melody Jackson, PhD, has her way, yes. She is heading up Georgia Techs FIDO Project, which stands for Facilitating Interactions for Dogs with Occupations. As part of her work, she is testing vests with attachments dogs can hold, bite, touch with their nose, or tug to launch a string of words in English.