iOS app Android app

Logarithmic Thinking

What's Halfway Between 1 and 9? Kids and Scientists Say 3

Ben Thomas | Posted 12.22.2012 | Science
Ben Thomas

Quick: What's halfway between 1 and 9? According to a recent study, most little kids will answer "3," as will many people in non-literate cultures. And as it turns out, there's a solid evolutionary reason why that guess makes sense.