Mammoth bones discovered in Russia suggest new theory for their demise . A major bone deposit was found in the centuries - old deposits . Suggest mammoths may have been riddled with osteoporosis . they may have eventually collapsed to the ground under own weight .
Mammoth bones found in Russia suggest new theory for their demise . A major mineral deficiency was found in the 23,500-year-old bones . Suggest mammoths may have been riddled with osteoporosis . Animals would have eventually collapsed to the ground under own weight .