1) “Nova: Can Dogs Talk?” 9 p.m., PBS. They can, sort of. Given an array of buttons, they can step on the one that says a specific noun (a toy) or a request (a walk, a meal) or even a concept.

Abstract: In order to solve the real-time positioning problem of flexible wearable ultrasonic transducer array unit under dynamic conditions, a new transducer array based on button flexible structure ...