What black stone is the most common volcanic rock on Earth?

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What number is at 12 o'clock on a dartboard?

Which grandmaster did Bobby Fischer defeat in 1972 and became the first American to win the world chess title?

The Linux operating system was created by which software engineer?

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Who wrote the novel "Little House on the Prairie"?

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What US state name ends with three vowels?

What is the process called where a plant makes its food?

Who worked as a salesman at Gary's Shoes and Accessories?

What movie star founded the Hole in the Wall summer camps for ill children?

What sport was featured in the 1985 movie "Vision Quest"?

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What 1974 horror film's title weapon was a Poulan 245A?

Which president's wife helped fund the war effort by auctioning wool from sheep grazing on the White House lawn?