Sharks and rays are the only animals known to man that don't get cancer. Scientists believe this has something to do with the fact that they don't have bones, but cartilage.

The average lead pencil will draw a line 35 miles long or write approximately 50,000 English words.

The most senior crayon maker Emerson Moser retired after making 1.4 billion crayons for Crayola. It was then that he revealed that he was actually colorblind.

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