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6:57
At 50 million years old, the origins of Devils Tower or Bears Lodge remains a mystery.

8:26
An ancient and modern mystery, what about bioluminescence inspires such obsession?

8:54
Over half a million years old, the story of Mono Lake is one of survival.

5:44
At 450 million years old, moss may hold the key to surviving our rapidly warming planet.

7:05
What are icebergs doing so close to land and why must we keep an eye on them?

7:30
What makes the Coast Redwood, a tree as old as the dinosaurs, epically singular in nature?