The neuroscience of reversing blindness and a daily news roundup

Rhitu Chatterjee discusses Project Prakash and the neuroscience behind reversing blindness in children, teenagers, and adults in rural India; David Grimm talks about where dogs came from, when life first evolved, and holes in the brain. Hosted by Susanne Bard. [Img: Francois de Halleux CC BY-NC-ND 2.0]