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American Sign Language （ASL）， has been one of the primary means of communication for the deaf in the United States and many parts of Canada since the 1800s. It is said that between 500，000 to 2 million people 1 the language every day.
But popular as it is， there are millions of people with normal hearing who do not understand the language. And while most deaf Americans learn to speak with the 2 of speech treatment， many find it easier to communicate through sign language. Now a team of researchers at the Texas A
But popular as it is， there are millions of people with normal hearing who do not understand the language. And while most deaf Americans learn to speak with the 2 of speech treatment， many find it easier to communicate through sign language. Now a team of researchers at the Texas A