University of Calgary
University of Calgary: Ming Dynasty's Maritime History
This site provides a discussion from the University of Calgary of the extensive maritime voyages taken during the Ming dynasty. A map is included.
TED Talks
Ted: Ted Ed: The Dangerous Race for the South Pole
After two Americans staked claim to reaching the North Pole, a Norwegian explorer and a British naval officer each set out for the last unmapped region in what newspapers called a "Race to the Pole." Elizabeth Leane sets the scene for...