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

Church Of Scientology Calls New HBO Documentary 'Bigoted'

The filmmaker says Going Clear, harshly critical of the Church of Scientology, is about the dangers of "blind faith." The church has hit back with an aggressive public relations effort of its own.
NPR

Was Your Seafood Caught By Slaves? AP Uncovers Unsavory Trade

Some of the seafood that winds up in American grocery stores, in restaurants, even in cat food, may have been caught by Burmese slaves, a year-long investigation by the Associated Press finds.
NPR

Amazingly, Congress Actually Got Something Done

The leaders and members must, in a word, compromise. And on this occasion, Speaker John Boehner and Minority Leader Nancy Pelosi did just that, with skill and savvy.
NPR

Police Departments Open Up 'Safe Lots' For Craigslist Transactions

Several crimes around the U.S. have been tied to the website's in-person transactions. So police departments are offering up their parking lots to provide a secure space for buying and selling stuff.

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