TED Conversations » Topics

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• Questions

  

  Purell now, Bacteri-ell later?

  Started by Anna Crist, Eugene, OR, United States

  169 comments

  Closed

• Ideas

  Design a solar cooker and solar oven that everybody can afford and that can cook faster than current ones.

  Started by Haingo Rajaonarison, Antananarivo, Madagascar

  12 comments

  Closed

• Questions

  

  Should cities create dirty mud pools as children's playgrounds?

  Started by Laurens Rademakers, Brussels, Belgium

  9 comments

  Closed