Science of Snow04:40
Snow is an essential part of the 2014 Olympic Winter Games. How it's formed and how it reacts has been studied by scientists for centuries and continues to this day by scientists like glaciologist Sarah Konrad and chemist Cort Anastasio. "Science and Engineering of the 2014 Olympic Winter Games” is produced in partnership with the National Science Foundation. NBC Sports’ Liam McHugh reports.