EcoModo - The Best of Treehugger [Roundups]

This week on TreeHugger, freaky robots that play with our minds, a solar powered wheelchair makes a 200 mile journey, self-healing concrete thanks to self-destructing bacteria, and more. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/wSnzYE6JCFo/ecomodo-+-the-best-of-treehugger

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