SciShow
Onions, Emotions, and Why We Cry (2014x21)
Exibido em:: Fev 10, 2014
Have you ever wondered why we cry? In today's episode of SciShow, Hank gives us the answer, covering different types of tears and whether we are the only species to get all teary eyed during the final scene of a good movie.
- Estreou: Jan 2012
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