Playback serverIf a title won’t play, switch servers.
Season 1 · Episode 5

0.045mNovember 11, 2015
In "Why Do I Need You?" Dr. David Eagleman explores how the brain relies on other brains to thrive and survive. This neural interdependence underpins our need to group together, and our ability to do the very best and the very worst of things to each other.