- Rats and mice are ticklish, and even laugh when tickled.
- Fish can cough.
- The strike note of the Liberty Bell is E flat.
- Red light has the highest wavelength.
- Dirty snow melts quicker than clean snow.
- The first product to have a bar code was Wrigley's gum.
- There are 31,557,600 seconds in a year.
- The game of Tug-of-war was an Olympic sport from 1900-1920.
- The Statue of Liberty features 7 points in her crown- one for each of the continents.
- There are 22 stars in the Paramount studios logo.
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