Tonight's programme looks at a sign language invented by children who could not hear, talk or lip-read. Thrown together by the revolution in Nicaragua, these youngsters solved a puzzle that has confused linguists for years.
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Tonight's programme looks at a sign language invented by children who could not hear, talk or lip-read. Thrown together by the revolution in Nicaragua, these youngsters solved a puzzle that has confused linguists for years.
See today's choices.
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