Math without numbers

woman holding a baby touching a screen Symbols don't always have to be part of the equation to understand math, according to cognitive neuroscientist Elizabeth Brannon.
Brannon started her research studying monkeys to understand how non-human animals think about numbers, and whether they can perform basic arithmetic tasks. She now studies human infants at her University of Pennsylvania lab, looking to see how they learn math skills ... More at is an NSF News item.