What chemical element has been added to table salt since 1924, to help prevent goiter?

More Questions:

Who was also known as "Black Dahlia"?

What high school did Brett Favre play football for?

Including Jesus, how many were in attendance at The Last Supper?

The French phrase "espirit de corps" translates in English to what?

Which US state is nicknamed the "Keystone State"?

What were the 5th generation iPods the first to offer?

What year did Alfred Hitchcock become a citizen of the United States?

What 60’s TV series featured the three Bradley daughters, Betty Jo, Billie Jo, and Bobbie Jo?

Jello Biafra was the lead singer of what band?

What actor provided the voice for the song "Thriller"?

What queen was ordered beheaded by her cousin, Elizabeth I?

The US boycotted the 1980 Olympics to protest what Soviet action?

What general commanded the US military operations in the Vietnam War from 1964 to 1968?

How old was Evel Knievel when he died?

What is Eisoptrophobia the fear of?