Venice, Italy is sinking. To save it, TED Fellow Rachel Armstrong says we need to outgrow architecture made of inert materials and, well, make architecture that grows itself. She proposes a not-quite-alive material that does its own repairs and sequesters carbon, too. (Recorded at TEDGlobal 2009, July 2009, Oxford, UK. Duration: 07:32)
Twitter URL: http://on.ted.com/4R
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