Previews + Extras
Hunt for the Oldest DNA Preview
S51 E4 - 30s
For decades, scientists have tried to unlock the secrets of ancient DNA. Follow the dramatic quest to recover DNA millions of years old and reveal a lost world from before the last Ice Age.
When Camels Roamed the Arctic
S51 E4 - 2m 54s
Some 2 million years ago, when the high Arctic was a much warmer, greener place, a unique collection of animals coexisted: Caribou, geese, hares, even camels.
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