How do children learn to cooperate with others? A new cross-cultural study suggests that the answer depends less on universal rules and more on the ...

Pediatricians have little to go on in assessing when children with Down syndrome should walk, talk and achieve other milestones. Now, a new study is detailing benchmarks specific to those with the ...

My son Isaiah sat up late. He crawled late, too, according to all the books, and he agreed to walk only when he was pretty sure he wouldn’t fall. With the exception of his remarkable ability to name ...