Join the conversation
Log in or create an account to leave a comment
Log In
They exist in every environment
that we know of
that we know of
Full Transcript
00:00:01.000 --> 00:00:04.057
They exist in every environment
that we know of.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
Movie Summary
A look at how infants learn and discover during their first year of life.