Friday Nite Videos -- August 2, 2013

Portside
Bradley Manning spied for us. 50th anniversary March on Washington. Growing an artificial heart. Save Chicago public schools rally. iPhones made by iSlaves? Fast food workers strike: the third wave.

The Heart Makers

How do you make a working human heart? Scientists can turn stem cells into beating heart cells, but getting them to organize into a 3D heart requires a scaffold. 

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