One anthropologist found 1,072 similar words for 'mom' and 'dad' in the world's languages. It turns out a mix of biology, culture and encouragement from parents explains this phenomenon.
New research shows that babies around the world love baby talk — and when adults baby talk to them it is good for their language development.
Here's what parents should look out for if they are worried about their baby's language development.
Research suggests that parents and babies communicate in remarkably similar ways despite striking variation in cultural practices.