"The National Institute on Deafness and Other Communication Disorders (NIDCD), part of the National Institutes of Health (NIH), conducts and supports research in the normal and disordered processes of hearing, balance, taste, smell, voice, speech, and language."
Site last updated 2010.
"Intended audience: professionals and students in the fields of speech-language pathology, audiology, speech science, persons with communication disabilities or differences and their support persons."
"Signing Savvy is a sign language dictionary containing several thousand high resolution videos of American Sign Language (ASL) signs, fingerspelled words, and other common signs used within the United States and Canada."
"The Stuttering Home Page is dedicated to providing information about stuttering and other fluency disorders for both consumers and professionals who work with people who stutter. It includes information about research, therapy, support organizations, resources for professors who teach fluency disorders courses, materials for kids who stutter, and much more."