How many flavors of quarks are there?

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What do runners pass to each other in a relay race?

What name is given to the diagram in which sets are represented by circles?

What drug is everyone encouraged to take in the novel "A Brave New World"?

Athos, Porthos and Aramis were collectively known as whom?

What is the capital of Tunisia?

Dakar is the capital of which African country?

Parma and Tuscany are regions of what country?

What sort of food are "rollmops"?

In what part of the former Soviet Union did the Chernobyl nuclear disaster occur?

What is the only rock that will float on water?

What does the "CAT" in "CAT scan" stand for?

What is the square root of one-quarter?

Miranda orbits what planet of the solar system?

What language was the first English-like data processing language?

In Norse mythology Odin traded an eye for what?