We all communicate through words, either by speaking or writing. Very rarely, we use nods, or some simple hand signs to communicate. Unfortunately, there are deaf people in the world who cannot hear ...

Even if you've never thought about trying out another language in your life, you more than likely have at least a passing knowledge of Duolingo. Well-known for its outrageous branding and marketing ...

While beginners may want to save time and money by turning to online resources to learn sign language, Elizabeth Castellvi, ...