"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth. Each scenario examines a scientific theory, research or fact through a hypothetical question."

A multi-vehicle crash resulted in the closure of all lanes on a southern Illinois highway on Sunday, January 5, as the National Weather Service (NWS) issued a winter storm warning for the region and cautioned of slick road conditions.