Scientists Played Babies Two Sounds. Here's What Happened.

Added: 2026-05-26

[00:00:00]To test this, we created a very clever baby experiment. We made two fake mini languages. One language used only lip sounds. These are sounds where your lips come together, like b v w or round up.

[00:00:17]And the other language used tongue tip sounds. These are sounds where the tip of your tongue touches behind your teeth, like d z l. Then, we matched each language with a cartoon animal. When babies heard the lip sound language, they saw one animal. When they heard the tongue tip sound language, they saw another animal.