- 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..
- Caterpillars have over 2,000 muscles.
- The movie Pulp Fiction cost $8 million to make with $5 million going towards actor's salaries.
- Red blood cells are produced in bone marrow.
- Light is electro magnetic radiation.
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