College professors these days face an ever-higher bar to grab the attention of their students, forced to compete with the stimuli of smartphones and laptops in large lecture halls. But when your ...

Analisa Novak is a content producer for CBS News and the Emmy Award-winning "CBS Mornings." She specializes in covering live events and exclusive interviews for the show. Analisa is a United States ...

Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...