Researchers revealed data Monday that suggest humans migrated from Africa to South Asia only 55,000 to 60,000 years ago, after the supereruption of the Mount Toba volcano 74,000 years ago. The findings contradict archeologists' claims that humans arrived in South Asia thousands of years earlier, citing analysis of primitive tools found in southeastern India that date to before the volcanic eruption. The study, however, used modern archaeology and the largest collection of mitochondrial DNA evidence to determine the earliest date of migration and to suggest the tools were most likely made by archaic humans.

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