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'Ghost' footprints hiding since end of last ice age revealed by new radar technique | “We never thought to look under footprints,” said lead author on the study. “But it turns out that the sediment itself has a memory that records the effects of the animal’s weight and momentum in a beautiful way." https://ift.tt/32QEJNS https://ift.tt/2NIHVa1 https://ift.tt/2NIHVa1 https://ift.tt/2CDx0bf

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Submitted November 13, 2019 at 05:29PM by wokehedonism https://ift.tt/2CDx0bf wokehedonism

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