When standing in sunlight, what vitamin does your body synthesize?

More Questions:

What year did Andre and Edouard Michelin first publish the "Michelin Guide"?

Whose tombstone bears the inscription "Here Lies One Whose Name Was Writ in Water"?

Who wrote the novel "Lolita"?

What is the capital of the United Arab Emirates?

How many US states end with the letter "O"?

What fruit comes in Navel and Blood variety?

What theorem is used to determine the length of the hypotenuse of a right triangle?

What is the minimum number of bars on an abacus?

What actor played Tom Hanks’ buddy on "Bosom Buddies"?

In The Simpsons, which character died by getting hit with T-shirts?

In the TV show "The Simpsons', Lenny and Homer were members of what secret society?

Which character did David Jason play in the TV series "Porridge"?

Billed as "The Crime of the Century', in which US city did the Great Brink's Robbery take place, in 1950?

What Civil War anthem about a radical abolitionist inspired the US military anthem "The Battle Hymn of the Republic"?

Which UK band had a No. 1 hit in 1965 with their song "I'm Alive"?