The Yucca Valley Senior Center will host two free classes on American sign language for beginners. The classes will be held on consecutive Thursdays, January 3 and 10, from 1-2:30 p.m. Participants must provide their own pen and paper. The Yucca Valley Senior center is located at 57088 Twentynine Palms Highway. For more information, contact Nena McCullough at 760-853-0208.