pee

coffee gross pee smell - 3990934016
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Via: Reddit http://www.reddit.com/r/funny/comments/dh31p/thesweetaromaofcoffee/

bricks technology pee science funny - 8063063808
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A new portable machine uses a mixture of sand, bacteria and urine to create an eco-friendly concrete-like material that can be used to make bricks to build houses.

The machine, called 'Dupe', uses a mixture of sand, bacteria and urine to create a material called biostone.