- A Chinese checkerboard has 121 holes.
- Glass balls can bounce higher than rubber ones.
- That you can spell the word 'level' the same backwards.
- Isaac Newton invented the cat door.
- Honey bees kill more people each year than snakes.
- Tug-of-war was an Olympic sport in the early 1900s.
- Hawaii is the only state with one school district.
- The blueprints for the Eiffel Tower covered more than 14,000 square feet of drafting paper.
- A hummingbird's heart beats at over a 1,000 times a minute.
- Canada has more doughnut shops per capita than any other country.
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