DuPont chemist Wallace Carothers developed what new plastic material in 1930?

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What British entrepreneur sold his Virgin Music Group to Thorn EMI in 1992?

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A government in which power is restricted to a few is called a what?

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Which author wrote the "Redwall" series of novels?

Who developed the light bulb while working in his Menlo Park laboratory?

What is an emasculated stallion called?

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The Big Dipper is part of what constellation?

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Which was the first country to leave the Commonwealth in 1949?