The word "nerd" was first coined by Dr. Suess in the book "If I Ran to the Zoo."

An ordinary TNT bomb involves atomic reaction, and could be called an atomic bomb. What we call an A-bomb involves nuclear reactions and should be called a nuclear bomb.

The age limit for marriage in France was, until recently, 15 for girls, but 18 for boys. The age for girls was raised to 18 in 2006.

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