Building on the work of Galileo and Kepler, who published the first quantitative theory of gravitation in 1687?

Buffy's TV town of Sunnydale sits atop a gateway to demonic dimensions known as what? Bugs Bunny officially debuted in which 1940 cartoon? What mispronunciation of "moron" is Bugs Bunny's standard insult? Bugs Moran's North Side mob was devastated on which holiday in 1929? Built around 1600, which Venetian bridge links the Doge's Palace with the nearby prisons? Built around 1776, Tank Cottage is said to be the oldest house in Wisconsin. In which city is it? Built around 1830, which early American steam locomotive shared its name with a tiny P.T. Barnum star? Built between 1585 and 1593, the walls of Bely Gorod helped defend which city?