- Ichthyophobia is the fear of fish.
- Hiccups usually lasts for 5 minutes.
- The average person falls asleep in 7 minutes.
- The Earth weighs 6,588,000,000,000,000,000 tons.
- 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..
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