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Americans Prefer Their Water Clean, But Not Pure

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When a chemical spill leaked into West Virginia's Elk River last week, people were warned not to drink, cook or even wash their clothes in the water. NPR's Lynn Neary speaks with James Salzman, author of the book Drinking Water: A History, about the fairly recent history of the government regulating drinking water.

A Star-Crossed 'Scientific Fact': The Story Of Vulcan, Planet That Never Was

For decades, astronomers believed there was another planet in our solar system, tucked just out of sight. Then Albert Einstein figured out it wasn't there. Author Thomas Levenson explains.

Internet Food Culture Gives Rise To New 'Eatymology'

Internet food culture has brought us new words for nearly every gastronomical condition. The author of "Eatymology," parodist Josh Friedland, discusses "brogurt" with NPR's Rachel Martin.

2 Degrees In Paris: The Global Warming Set To Dominate Climate Conversation

As world leaders gather in Paris to talk about climate change, one phrase that will dominate conversations is "two degrees." Global leaders will discuss how to prevent global temperatures from warming by more than two degrees since the industrial revolution.

What Is Li-Fi And When Will You Use It To Download Everything Faster?

Li-Fi is a lot like Wi-Fi, but it uses light to transmit data. NPR's Scott Simon speaks to the man who invented the faster alternative: Harald Haas.

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