Infants, whether mice or human, love to be carried

Being toted around calms and quiets babies of both species

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Parents trying to soothe a fussy infant might want to invest in a sling to carry their kid.

In human infants and mouse pups, bumping along in their mothers’ arms (or mouths) acts as the ultimate pacifier: crying stops, fidgety bodies go still and racing hearts thump more slowly, researchers report April 18 in Current Biology.