Fun Facts about Water

As we start off our series on hydration, here's some fun facts about water.

  • Blood is thicker than water, but not by much! 79% of blood IS water!

  • Get into some extra-cellular activity — water is a nutrient for every cell in the body.

  • Beat the heat — travel, hot weather, and exercise all increase the body’s need for water.

  • Fun fact to chew on — our teeth contain 10% water!

  • What do you THINK about this — 85% of the brain is water!

  • Shock absorber — water helps to protect vital organs, such as the brain, spinal cord, and interior of the eyes.

  • A little goes a long way — small sips throughout the day are a smart way to keep well watered.

  • Hydration Alert! Did you know that kids lose proportionately more fluids through sweat than adults?

  • Feel-good factor — studies show that a water loss amounting to a mere 2% of body weight can have an effect on a person’s physical endurance.

  • 97% of the Earth's water is salty. 2.1% is locked up in polar ice caps and less than 1% is available as fresh water.

  • Your body is between 60% and 70% water. This changes at different times of your life: a human fetus is around 95% water for the first months, getting to 77% water at birth.

  • Two-thirds of that water is within your cells.

  • Hot water freezes faster than cold water. This is known as the Mpemba Effect, and no-one knows why it happens.

  • Approximately 400 billion gallons of water are used in the United States per day.

  • Water can dissolve more substances than any other liquid including sulfuric acid.

  • About 6,800 gallons of water is required to grow a day’s food for a family of four.

  • Water weighs about 8 pounds a gallon.

  • A jellyfish and a cucumber are each 95% water.

  • The average cost for water supplied to a home in the U.S. is about $2.00 for 1,000 gallons, which equals about 5 gallons for a penny.

  • A person can live about a month without food, but only about a week without water.

  • Each day, we also lose a little more than a cup of water (237 ml) when we exhale it.


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14. http://www.campusrec.illinois.edu/goGreen/facts.html

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35. http://www.transboundarywaters.orst.edu/publications/atlas/atlas_html/interagree.html

36. http://www.fao.org/ag/save-and-grow/en/5/index.html

37. http://www.epa.gov/WaterSense/pubs/fixleak.html

38. http://www.theguardian.com/science/2013/sep/26/nasa-curiosity-rover-mars-soil-water

39. http://science.howstuffworks.com/environmental/earth/geophysics/question157.htm

40. http://www.cnn.com/2009/TECH/space/11/13/water.moon.nasa/index.html?iref=24hours

41. http://www.livescience.com/32028-oldest-water-found-underground.html

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45. http://www.ngwa.org/Fundamentals/use/Pages/Groundwater-facts.aspx

46. http://www.groundwater.org/get-informed/facts.html


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