TIL about manual babbling. Deaf children or children born to deaf parents babble with their hands instead of vocalized babbling. Thus indicating that babbling is not nonsense, but instead an important part of language acquisition.

https://www.pghcitypaper.com/pittsburgh/study-says-renewable-energy-power-plants-will-overtake-natural-gas-plants-by-2035/Content?oid=15834618

Hy pick's