Human brains still react to chimp voices, hinting at a deep evolutionary link in how we recognize sound.
You're listening to WEEKEND EDITION from NPR News. Time now for your letters. First a correction from our July 1st show. In my essay that week, I spoke about a former military recruiter Raymond J.
Babies sometimes laugh and sometimes cry. It doesn’t take a genius to decode the meaning of these sounds. But it isn’t quite as straightforward to decipher the meaning, if any, of an infant’s babbles.
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