Did you routinely win the estimate-the-weight-of-a-pumpkin contests at the state fair? Always know how to sneak on an already too crowded train? You may be stupendous at math! Or so a new study from Johns Hopkins, which as found a link between number sense--the ability for humans to estimate numbers--and math ability, concludes. Don't run out and spend all your money on those jelly bean jar raffle tickets to practice, though, since researchers have not yet figured out if number sense can be learned.
