What precious stones were originally used to polish axes in the Stone Age?

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Which four independent countries does the region of Melanesia include?

What is the common name for the fruit known as "Citrus grandis"?

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What is a Chinese gooseberry?

How many pounds of jet fuel does a passenger Boeing 747 use during take off?

What is the name of the Green Hornet's car?

In "Napoleon Dynamite', what type of animal is Napoleon's grandmother's pet, Tina?

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Who established a Vietnam memorial while consulting on the film "The Deer Hunter"?

In mathematics, which prefix refers to 10 to the power of 24?