Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.
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Sediment Samples From Great Blue Hole in Belize Show Hurricanes Are Becoming More Common in the CaribbeanWhile the Great Blue Hole has silently recorded history for thousands of years, its latest revelations are a loud warning.
Scattered across an abyssal plain known as the Clarion-Clipperton Zone (CCZ) are polymetallic nodules that are a potato-sized ...
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