- Streams Of Water Once Flowed On Mars; NASA Says Photos Prove It http://www.npr.org/blogs/thetwo-way/2012/09/27/161896238/streams-of-water-once-flowed-on-mars-nasa-says-photos-prove-it 6 comments science
- NASA says water once flowed on Mars. Photos to prove it! http://www.npr.org/blogs/thetwo-way/2012/09/27/161896238/streams-of-water-once-flowed-on-mars-nasa-says-photos-prove-it 6 comments worldnews
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