Have you ever wondered what your cat is saying? Cats do not meow randomly, nor do they growl or hiss because they have nothing better to do. Cat sounds have a purpose, and they can carry important messages, whether for us or other cats. Susanne Schötz is hard at work on breaking the cat code. She is a professor at Lund University in Sweden, where a long-standing research program is proving that cats do actually use vocal communication-with each other...