Electrical Brain Stimulation Improves Math Skills

ewolfson writes: Dinner is over, and the waiter is handing over the bills to everyone when the collective tension sets in... how much do we tip? Math can trigger anxiety in adults and kids, but now scientists at Oxford University have developed a way to flip a switch and turn a normal person's brain into a math machine. They found painless, electrical brain stimulation in combination with easy number exercises can significantly improve math ability.