The first atomic bomb test split an atom of what fissionable element?

More Questions:

A.J. Foyt was the first person to win what annual competition four times?

In the book "Harry Potter and the Half Blood Prince', who does Harry catch tentacula leaves?

Which of the Seven Wonders of the World was situated approximately 50 miles south of modern Baghdad?

From what type of fat was margarine first made from in the US?

What is the chemical process of converting sugar into alcohol?

Kr is the chemical symbol for which element?

In what organ of the human body would you find Bowman's capsules?

Virginia McMath became famous as which actress?

In seasons 12 and 13 of the TV show "Big Brother', what competitor is associated with "crybernating"?

What was Bette Midler’s only #1 song on the Billboard Hot 100 singles chart?

Who plays the role of Captain Jack Aubrey in the movie "Master and Commander"?

How many episodes of "The Cosby Show" were made?

How old was Evel Knievel when he died?

What American soul singer-songwriter died on December 25, 2006?

Switzerland and what other country both have square flags?