Lead: For more than four centuries prior to 1900, curiosity, necessity, ambition, and economic aspiration had driven the age of discovery. Few places on the globe eluded the explorers. The last great prize was the frozen, barren, and arid continent of Antarctica.

Intro.: A Moment in Time with Dan Roberts.

Content: Antarctica is the southernmost continent, the coldest, windiest place on earth with an average interior temperature of - 58F°. Ninety-eight percent of the continent, which is twice the size of Australia, is covered by ice sheets formed over millions of years with a thickness of over a mile to about three miles. The ice contains 70% of the world’s fresh water and 90% of the world’s ice.

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