As our brains develop throughout our childhood and teens, they form connections and then prune back the ones that aren't used. What can we learn from them?

Guests: Alison Barth, professor in the life sciences at Carnegie Mellon University; Saket Navlakha, associate professor at Cold Spring Harbor Laboratory

This series was made possible by support from the Annie E. Casey Foundation. Vox had full discretion over the content of this reporting.

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