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.
WAMU 88.5

Art Beat With Lauren Landau, July 30

You can keep things old school with a classic musical and an exhibit featuring watercolor paintings from the 1800s.

NPR

Farming The Bluefin Tuna, Tiger Of The Ocean, Is Not Without A Price

Scientists are trying to raise prized bluefin tuna completely in captivity. An experiment at a Baltimore college is the first successful attempt in North America.
NPR

Senate's Highway Trust Fund Bill Sets Up Conflict With The House

A short-term fix for the nearly empty Highway Trust Fund is a step closer to President Obama's desk. Congress has been talking about the long-term problems with the construction account, but the two chambers have not agreed on a long-term solution.
NPR

OkCupid Sometimes Messes A Bit With Love, In The Name Of Science

OkCupid, the online dating site, disclosed Monday that they sometimes manipulate their users' profiles for experiments.

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