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Stuff You Should Know: Consider This: Water

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You probably know that Planet Earth is made up of 71% water - but did you know that only 2.5% is fresh water? And of that, less than 1% is accessible for human use? Watch the video to find out some easy ways you can make a real difference.

How Manufacturing Water Works

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The United Nations has found that 22% of the world's population does not have access to clean drinking water. Could we fix the water shortage by manufacturing water? Check out this HowStuffWorks podcast to learn more about manufacturing water.

How Water Slides Work

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Water slides have been around in one form or another since the Romans. But back then they didn't know that they had on their hands. With the birth of the waterpark in the 1970s, these rides have only gotten more extreme, leading up to the birth of today's water coaster. All this and more in today's episode.

Abandoned Water Park, Eagle Beach, Aruba

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Josh and Umi do their first urban exploration in an abandoned water park in Aruba. Check it out.

Could salt water fuel cars?

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Salt water fuel could be the next viable alternative to foreign oil. Learn about the ongoing research behind the concept of salt water fuel in this HowStuffWorks podcast.

Water Cooler Genius: "The Oscars"

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Do you want to be the smartest person hovering around your water cooler on this post-Oscar Monday? Check out these cool facts and figures and get ready to wow your co-workers. Learn how much the Oscar weighs, what it cost to make and where it got its curious name.

Exactly what happens if we run out of water?

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In 1995, World Bank vice president Ismail Serageldin declared that "the wars of the next century will be about water." Check out our HowStuffWorks article to learn what happens once we run out of water.

5 Emerging Green Technologies to Watch - #1: Water Desalination

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Yes, yes. Water desalination is nothing new; GE's had viable systems to remove minerals and salts from brackish water since the 1950s. The tech is still an emerging one, though, since it's mostly been Africa that's needed it and the West has yet to figure out how to make any substantial amount of money off the continent.

How long can you go without food and water?

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When it comes to survival, food and water are pretty much non-negotiable. How long can you go without them? What happens to your body when you cross that threshold? Lend your ear to this HowStuffWorks podcast to find out.

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