Scientists believe over 650 million years ago the Earth turned into a frozen orb at least once over the course of the ice age. Clues to this extreme climate event have been left […]
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Earth used to be a giant snowball, scientists figure out how it thawed
Scientists believe over 650 million years ago the Earth turned into a frozen orb at least once over the course of the ice age. Clues to this extreme climate event have been left […]
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via IFTTT
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