What is the hardest substance in the human body?

More Questions:

Who was the losing coach in the first Super Bowl, played January 15, 1967?

What number was retired by the Chicago Bulls to honor Michael Jordan?

In the standard game of Scrabble, what is the value of the letters "Q" and "Z"?

Who was the Greek goddess of marriage and women as well as the queen of heaven?

What year did J. D. Salinger publish the novel "The Catcher in the Rye"?

Shakespeare's "The Taming of the Shrew" depicts the courtship of which characters?

In which Dickens novel would you find the characters John Jarndyce and Mrs. Jellyby?

Margaret Munnerlyn Mitchell, author of the book "Gone with the Wind', was born in what city?

What annual celebration is taking place at the start of "Great Expectations"?

What inert gas gets trapped in the blood when a diver gets "the bends"?

On the 1990's sitcom "Roc', what was Roc's job?

'Hello, Clara?" is the last line from what Oscar-winning film?

In 1967, what company introduced the first consumer model of microwave oven designed for home use?

In which war was napalm first used?

Who released the 1970's album entitled "Muswell Hillbillies"?