TED Community » Diana Huang

Favorite talks

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Michael Pritchard: How to make filthy water drinkable

09:31 Posted: Aug 2009

Views: 1,544,832 | Comments: 639

Rated: Ingenious Inspiring …
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Kamal Meattle: How to grow fresh air

04:04 Posted: Mar 2009

Views: 1,484,371 | Comments: 154

Rated: Informative Inspiring …