Browse 54 favorite videos of mmmendal
Amazing new Concrete tent that can be erected fast
Published 11 years ago in Awesome
- 6875 views
- 14 comments
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How To Make Filthy Water Drinkable
Published 11 years ago in Science. Submitted by Executooor
- 6064 views
- 20 comments
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Beautiful Moments!
Published 11 years ago in Awesome. Submitted by Mafu
- 4828 views
- 15 comments
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Jane McGonigal: The game that can give you 10 extra years of life
Published 12 years ago in Other. Submitted by Kulgash
Inspiring as always 
Cute geek isn't a myth after all!
- 6328 views
- 19 comments
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