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Facts About Your Tears

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

Newborn babies cry, but without tearing up. Babies don't have fully formed tear ducts and do not produce tears for about 4-13 weeks.

10 Things You Didn't Know About Tears

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Key Facts In This Video

  1. Every time you blink, tears fall from glands that help you see. 00:23

  2. Crocodiles cry when eating. 01:23

  3. Butterflies feed off the tears of some turtle species. 02:20

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