Denisovan DNA discovered in a Tibetan cave may be only 45,000 years old

DNA belonging to Denisovans – the ancient human ancestor – discovered in a Tibetan cave may be only 45,000 years old, scientists say.  The ancient Denisovan mitochondrial DNA was recovered in sediments from Baishiya Karst Cave, a limestone cave at the northeast margin of the Tibetan Plateau, 3,280 meters above sea level.  Samples indicate Denisovans … Read more