Rock-a-Bye-Baby’s Rocky Roots

Did the soothing sounds of lullabies evolve out of an arms race?

RELATED TAGS: ARCHAEOLOGY, HUMAN ORGINS
lullabies
We are at our cutest as infants. We’re most helpless then, too. But every infant has a help button: Cry, and most likely any adult within earshot will rush over to hold and soothe them with a gentle song. Other primate species, including chimpanzees and macaques, also cradle and carry their fussy young. But human caregivers do something extra. “We added the singing,” says psychologist Sandra Trehub, professor emeritus at University of Toronto Mississauga. No one knows when par...
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