Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D.

June 30, 2014 8:35 PM

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Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D.

Scientists have sketched out one of the greatest baby booms in North American history, a centuries-long "growth blip" among southwestern Native Americans between 500 and 1300 A.D.

It was a time when the early features of civilization--including farming and food storage--had matured to a level where birth rates likely "exceeded the highest in the world today," the researchers report in this week's issue of the journal Proceedings of the National Academy of Sciences.

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