Student Derick Jackson communicates with DISD’s Director of Health and Physical Education Lisa Whitaker through sign language at a summer camp at Harry Stone Montessori in Dallas, June 16, 2025. The ...

Scientists develop first sign-language dictionary searchable by gesture. Jan. 12, 2008— -- Bilingual dictionaries are usually a two-way street: you can look up a word in English and find, say, ...