IN his Friday evening discourse at the Royal Institution on December 13, Sir Richard Paget discussed “Sign Language as a Form of Speech”. The clue to the relationship between bodily gestures and the ...

The ability to speak is one of the essential characteristics that distinguishes humans from other animals. Many people would probably intuitively equate speech and language. However, cognitive science ...

Vows of silence and humanist beliefs led European clerics to create new communication methods for the deaf 500 years ago. Charles-Michel de L'Épée teaching the hearing impaired in his Paris institute.