The WD in WD-40 stands for Water Displacer.
30
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
A typical lead pencil can draw a line that is 35 miles long.
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