A second is defined as 9,192,631,770 oscillations of radiation from an atom of which element, symbol Cs?

A script of "The Godfather" with notes by which actor sold for more than $300,000 at a 2005 auction? Which sculpture was unveiled at the University of Chicago in 1967, 25 years after the first controlled nuclear chain re… What is a sealed vessel for keeping a loved one's ashes called? Which seaport serving Seoul was the site of a famous amphibious landing in 1950? In the November 2, 2004 presidential election, John Kerry finished as what? A secret script called nu shu is pivotal to the plot of "Snow Flower and the Secret Fan", set in which country? A seedy New York hotel saloon and the pipe dreams of its patrons are elements of which 1946 Eugene O'Neill play? In Japanese, a "seito" is a student and a "sensei" is what?