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Harvard Gazette
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Why sing to baby? If you don’t, you’ll starve — Harvard Gazette
https://news.harvard.edu/gazette/story/2017/03/why-sing-to-baby-because-if-you-dont-youll-starve/
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A new study suggests that infant-directed song evolved as a way for parents to signal to children that their needs were being met, while leaving time for other tasks, like food foraging or caring for other offspring.
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