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.
| Hosted by | Submitted by | |
|---|---|---|
| VidSrc | WatchSeries | 6 years |