The cruise liner, Queen Elizabeth II, moves only six inches for each gallon of diesel that it burns.

Modern teenagers are better behaved than their counterparts of 20 years ago, showing "less problematic behavior" involving sex, drugs and drink.

Each of the suits on a deck of cards represents the four major pillars of the economy in the middle ages: heart represented the Church, spades represented the military, clubs represented agriculture, and diamonds represented the merchant class.

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