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Earth: Polar Drilling Yields Climate Clues
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Core samples from Antarctica tell a fascinating story about how the Earth's climate has changed over thousands of years. Discovery News' James Williams digs into the details.

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Earth: Polar Drilling Yields Climate Clues

Earth: Polar Drilling Yields Climate Clues (3:02)

Earth: Polar Drilling Yields Climate Clues

Earth: Polar Drilling Yields Climate Clues (3:02)

Ice Mountain

Ice Mountain (0:26)

Ice Mountain

Ice Mountain (0:26)

Up Close and Dangerous: Arctic Experience

Up Close and Dangerous: Arctic Experience (2:09)

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Arctic Regions Videos (3)