Without Language, Large Numbers Don't Add Up

A new study offers clues about just how much language affects humans' understanding of numbers. Researchers found that Nicaraguans who were born deaf and never learned Spanish or formal sign language developed gestures to express approximate amounts but not exact numbers.

Source: http://www.npr.org/2011/02/09/133601966/language-essential-for-understanding-large-numbers?ft=1&f=1007

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