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What If You Stopped Drinking Water?

Key Facts In This Video

  1. The most abundant molecule in the human body is H2O, and makes up about 65% of an adult. 00:21

  2. The initial signs of dehydration include a dry mouth and darker, more odorous urine. 01:00

  3. Only 2.5% of all Earth's water is fresh, most of which is in the form of glaciers or underground lakes. 02:11

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.

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