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Joined: 11 May 2006
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 Posted: Fri Jul 26, 2013 4:00 pm Post subject: A Brick That Lets Threatened Birds Build Nests Directly Int |
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Aaron Dunkerton wanted to help with house sparrow conservation. His solution was the Bird Brick, a fire-clamped cavity brick that could be built into walls and buildings to provide a sustainable nesting site for the birds. <div class='mf-viral'><table border='0'><tr><td valign='middle'>     </td></tr></table></div><br/><br/> 
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Source: Wired Top Stories
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