A new approach used to analyze genetic data to learn more about the history of populations says it can describe in detail events in recent history, over the past 2,000 years, more accurately than in the subjective texts used by people in the humanities. The computer scientists behind it demonstrate their method in two populations, the Ashkenazi Jews and the Masai people of Kenya, who represent two kinds of histories and relationships with neighboring populations – one remained isolated from surrounding groups and one had frequent cross-migration with nearby villages.  

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