When it comes to numbers, culture counts

American children learn the meanings of number words gradually: First they understand "one," then they add "two, "three," and "four," in sequence. At that point, however, a dramatic shift in understanding takes place, and ...

Research duo quantify global human migration numbers

(Phys.org) —A pair of demographic researchers at the Vienna Institute of Demography has quantified for the first time global human migration numbers. In their paper published in the journal Science, Guy Abel and Nikola ...

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