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

Eileen Ford, Creator Of The Supermodel, Dies At 92

As co-founder of the Ford Modeling agency, she was instrumental in promoting such superstars as Lauren Hutton and Christine Brinkley.
NPR

From McDonald's To Organic Valley, You're Probably Eating Wood Pulp

Many processed foods contain cellulose, which is plant fiber that is commonly extracted from wood. It's used to add texture, prevent caking and boost fiber. And it's been around for ages.
NPR

No Criminal Charges In Senate-CIA Spat, Justice Department Says

The decision brings a muted end to a power struggle that had undermined relations between the intelligence community and the Senate Intelligence Committee.
NPR

Twitter Turns World Cup Into A 'Global Sports Bar'

The Brazil vs. Germany World Cup semifinal created more activity on Twitter than any other sporting event had. Host Michel Martin learns about how social media has changed the tournament experience.

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