Crawling, the first word, the first steps — these are just a few of the key milestones in early childhood development that parents eagerly await as their child grows up. However, there are other ...

From their first smile and initial mumbles of baby talk to their first wobbly steps, a child’s “firsts” are such an exciting time for parents. However, important developmental milestones include more ...

This piece is part of Scientific American's column The Science of Parenting. For more, go here. One study of children with achondroplasia found that 100 percent of them commando crawled when they ...