- 'orology' is the study of mountains.
- Americas top selling ice cream flavour is vanilla.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- Roosters can't crow if they can't fully extend their necks.
- The US flag has 13 stripes (representing the original 13 states).
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