KUALA LUMPUR: Every movement of her hands, every flicker of expression, forms a language spoken without sound. For Tan Lee Bee (pic), Malaysia’s renowned sign language interpreter, those gestures will ...

A sign of our past? Deaf experimental psychologist Rain Bosworth has found that babies have an intrinsic ability to recognize sign language, Meghan Rosen reported in “Primed to sign” (SN: 4/26/24).