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7 Self Healing Bio-ConcreteInstead of costly humans having to maintain and repair the concrete, it would be ideal if the concrete would be able to heal itself. This is now possible with help of special bacteria. These bacteria are... more inside |
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Top Sift for Nov 20th, 2009Top 15 Science Videos Expiring Soon Subscribe Top 15 Science Sifters of All Time Top 15 Science Sifters of the Past Week 4. Nonbrainwashed
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