Eric wu submitted, created time 11 months 3 weeks (sciencenow.sciencemag.org)

You may not realize it, but when you tell the grocer you'd like a half-dozen eggs for your family of six, you're using a primitive numbering system.
Now, a study of Pacific Island languages suggests that counting systems can evolve in reverse, becoming more object-specific.
This is a very interesting topic on evolution......

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