See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New research has found a surprising physical reaction when hearing a ...
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Why babies cry at birth yet take weeks to laugh — the science behind their first emotions
We have all seen this moment countless times: a baby enters the world and bursts into tears. It is so common that we rarely stop to wonder why it happens. Why do newborns cry instantly after birth?
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