The way babies cry may be influenced by the language of the parents https://archive.is/CYLFm https://archive.is/CYLFm "Do Babies Cry in Different Languages?"

The way babies cry may be influenced by the language of the parents https://archive.is/CYLFm https://archive.is/CYLFm "Do Babies Cry in Different Languages?" > Quantitative acoustic analysis of these recordings has produced further insights into the factors that shape a baby’s first sounds. Newborns whose mothers speak tonal languages, such as Mandarin, tend to produce more complex cry melodies. Swedish newborns, whose native language has what linguists call a “pitch accent,” produce more sing-songy cries. It's not that far fetched to imagine that adults can vary in the way they cry for many reasons, and this variation be consistent across populations.