Why Are 'Mama' and 'Dada' a Baby's First Words?

[snopes]

A baby's first words are often "mama" and "dada," much to the delight of parents. Now scientists think they know why.

Beyond the obvious - Mommy and Daddy are around a lot and babies are drawn to them - languages in many cultures have apparently made the task easy by creating words for mothers and fathers that feature patterns of repeating sounds, a new study suggests.

http://news.yahoo.com/s/livescience/...abysfirstwords