- It takes 5 years for an oyster to produce a medium sized pearl.
- The symbols used for addition (+) and subtraction (-) have been around for thousands of years but it wasn't until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming..
- Triscadecaphobia is the fear of the number 13.
- Germany borders 9 other countries.
- Diet Coke was introduced in 1982.
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