Babbling in babies and marmoset monkeys shows how brain growth and feedback from caregivers shape language learning.

When a baby babbles and their parents respond, these back-and-forth exchanges are more than adorable-if-incoherent ...

PARIS: Talking to babies in a high-pitched voice and using exaggerated pronunciation seems natural to most parents. This way of speaking, found in all human cultures, is thought to facilitate language ...