The runaway baby carriage is a classic film trope but does it really happen in real life? where did the trope get started?
What if crawling is unnecessary? There are cultures in which babies are not allowed to crawl and are never given floor time. What effect does that have on their development?
Wouldn’t it be great if there was some infallible trick to calm a crying baby? According to science, there just might be. (Get on your walking shoes.)