Climate Change Mass Extinction

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Last updateSat, 21 Feb 2015 7pm

Stronger than steel: The evolution of glass

A five-thousand-year-old material gets new life and super strength thanks to new technology. From the 103rd story of the Willis Tower in Chicago to Apple's future headquarters to a Corning research lab, we see how tough glass can get while maintaining its timeless beauty.

 

http://video.msnbc.msn.com/nbcnews.com/43831415