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Moon Smasher, Secrets in the Salt, Bird Brains, Lonnie...

Salt deposits that formed 250 million years ago hold tantalizing hints of early life.
Runtime: 52:08Topic: Planet EarthPlanet EarthNova

(Program not available for streaming.) The ancient Egyptians preserved their dead with salt. The technique worked so well that bodies thousands of years old still survive today as mummies. Now researchers are uncovering evidence that salt has preserved life-forms much older than any pharaoh. Correspondent Ziya Tong explores a place where the ultimate natural preservative may enshroud remnants of life a quarter billion years old.

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