Nel continente australiano erano presenti popolazioni distinte e con poco movimento geografico lungo un arco di circa 50'000 anni. La scoperta dei ricercatori dell'Università di Adelaide, pubblicata sulla rivista Nature, spiega per la prima volta scientificamente perché il legame con la terra sia così intimo e sacro per i popoli aborigeni.
I risultati, basati sull'analisi del DNA dei capelli di 111 persone di tre distinte comunità aborigene, raccolti durante spedizioni antropologiche tra il 1920 e gli anni 1970, mostrano che gli aborigeni australiani sono discendenti di una singola popolazione fondatrice arrivata 50'000 anni fa, quando l'Australia era ancora congiunta con la Nuova Guinea.
ATS/M. Ang.
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