Host Mo Rocca shows us the invention that shoots spawning salmon over man-made obstructions as they swim upstream; Noah Webster Home, where the first American dictionary was written; the inventor of a soccer ball that generates plug-in power; and the last generation to know some of the world’s greatest inventions.
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Innovation Nation - 1x11 Salmon Cannon
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- Nothing special
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- Aired Jan 24, 2015
- Episode 1x11
- Show special No
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