The Scientist in the Playpen? Alison Gopnik, Andrew N. Meltzoff and Patrica K. Kuhl's The Scientist in the Crib:

What Early Learning Tells Us About The Mind. New York; Harper Collins, 1999.

"We've even argued that our otherwise mysterious adult abilitiy to do science may be a kind of holdover from our infant learning abillities. Adults scientists take advantage of the natural human capacities that let children learn so much so quickly. it's not that children are little scientists but that scientisits are big children." (9)

Celebrate your childishness!