Human babies come into this world entirely helpless unable to walk, talk or feed themselves. And, as any parent can testify, a remarkable transformation occurs over their first year. But what's happening behind what you can simply observe? from first breath to first step, National Geographic sheds light on the amazing developments in the first 12 months of life and how new research indicates that these growing abilities are much more flexible than previously known. Follow leading scientists as they study the remarkable plasticity of a very young brain, measure how early experiences influence the course of human development and deconstruct how babies can learn languages and even grasp math!