Concrete's Role As A Building Block In History | WAMU 88.5 - American University Radio

Concrete's Role As A Building Block In History

In his book Concrete Planet, author Robert Courland discusses why the concrete first used by the Romans is more durable than the concrete used in most present day buildings. Plus, mineralogist Peter Stemmerman tells us about his invention, Celitement and why it is greener than Portland cement.
NPR

5 Under-The-Radar Reads From Librarian Nancy Pearl

Pearl shares the books she loved this year that you might not have heard of. Her list includes a Hollywood satire, two thrillers, a young adult novel and a nonfiction book about World War I.
NPR

What The Change In U.S.-Cuba Relations Might Mean For Food

The decision to normalize relations is driving all kinds of speculation about American food companies opening up shop in Cuba. But analysts say: Don't expect to see McDonald's there anytime soon.
NPR

3 Business Best-Sellers Show Inequality Is Now The Hot Topic

Many business books try to help you get rich quick. But three of 2014's biggest sellers focused on unfairness and inequality. Economists say expect more: Books on inequality are riding a huge wave.
NPR

U.S. Authorities Investigate, Sony Reels From Computer Hack

The White House has stopped short of naming North Korea as the aggressor in the cyberattack against Sony Pictures. That hack resulted in the cancellation of the film The Interview.

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