There is abundant, important work on the role of early childhood. Here is a short list of great resources:

1. Ready Nation Brain Science:
   Explains the neuroscience of why early childhood matters so you can tell others.
2. Harvard Center on the Developing Child Core Concepts of Early Development:
   Three short videos show the nature and importance of brain development. Additional research briefs and publications go deeper for those who want the details.
3. The Heckman Equation Investing in Children:
   Economist James Heckman presents economic arguments for investment in young children – in video and print.
4. Zero to Three Brain Development
   The baby brain map allows you to see how the brain is developing at each stage.