What would you do if you could give your child something that is proven to boost her creativity, empathy and cognitive functions, while putting her on a path to increased academic and career success? You'd jump all over it, right?
"Water" is the simplest kind of word to learn how to use, a concrete noun. So it's not surprising that such words are normally the first a child learns. But more intriguing -- and much less studied -- is the question of how we learn other kinds of words.