Bored?

Okay, try this game. It's an interactive graphic from today's NYT Science article on math.

"Testing Your Approximate Number Sense:
Humans use two distinct number systems, one learned and one intuitive. Computation, such as taking a square root, is an abstract process that is uniquely human. But the nonverbal process of approximating numbers is a system we share with infants and many other animals."

Most adults who take this test get an average of 75% after taking it 25 times. I only got one wrong, when I had to differentiate between 14 blue dots and 15 yellow ones. I'm curious to see if artists test higher because of their visual spatial skills.