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Why Are There Stone Tree Trunks in the Arctic?

Clip Season Nova Season 47 2:50 Premiered 20200205

Fifty-million years ago these rocks were trees and this Arctic tundra was a steamy swap.

Ellesmere Island, high in the Canadian Arctic, is only 800 miles from the North Pole. 50-million years ago, the treeless hillside would have been completely different.

Ellesmere Island, high in the Canadian Arctic, is only 800 miles from the North Pole. 50-million years ago, the treeless hillside would have been completely different.