Nobel Media AB
The Nobel Prize: Marie and Pierre Curie and the Discovery of Polonium and Radium
The Nobel Foundation provides a lecture given by Nanny Froman at the Royal Swedish Academy of Science in Sotckholm, Sweden. "Marie and Pierre Curie and the Discovery of Polonium and Radium" is organized into several sections including:...
Library of Congress
Loc: Samuel De Champlain's 1607 Map
This page provides the history and significance of Samuel de Champlain's map of New France and the St. Lawrence River in 1607.