The Presidential Daily Brief


  1. Rome Really Wasn't Built in a Day

    New analysis of 12,000 years of ancient genetic data reveals that the Italian city witnessed two massive waves of migration, with the first starting nearly 9,000 years ago and the second spanning the Bronze Age. Writing in the journal Science, an international team of researchers describes the diversity found in DNA from 127 skeletons at 29 archaeological sites around Rome, including evidence of increased migration from North Africa and the Near East as the Roman Empire expanded.

    Why does it matter? Genetic evidence fills in gaps in historical records and shows how Rome was a cultural melting pot even several millennia ago.

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