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Why and How Do Tears Form?

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Why and How Do Tears Form?

By: Lizzie Wade
Narrated by: Kevin Cuasay
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About this listen

Why and how do tears form? In response to a reader question, a psychologist explains that feeling overwhelmed is a major cause of emotional tears, which appear to be unique to humans.

©2016 Elizabeth Wade (text), Carus Publishing Company dba Cricket Media (cover art) (P)2016 Cricket Media
Science & Technology
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