Most of the water on the planet is salty, so people have come up with various ways to turn it into freshwater. Explore three methods of desalinating water in this podcast from HowStuffWorks.com.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

What Would Happen If You Swallowed a Leech?
08:38

How Can Rhubarb Grow in the Dark?
10:28

How Does the Blue-Footed Booby Work?
08:41