
Scientists have long debated one of the greatest mysteries of science. What caused the mass extinction of mammoths around 13,000 years ago? A look at science in the making, National Geographic follows a team of investigators as they assemble one theory for what might have happened to the mammoths, which reigned over the landscapes of North America for more than 1 million years. Could the clues point to the biggest cosmic impact humans h
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Scientists have long debated one of the greatest mysteries of science. What caused the mass extinction of mammoths around 13,000 years ago? A look at science in the making, National Geographic follows a team of investigators as they assemble one theory for what might have happened to the mammoths, which reigned over the landscapes of North America for more than 1 million years. Could the clues point to the biggest cosmic impact humans h
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| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | 4K Quality, Visual Quality |