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.
Attend or create a Slashdot 20th anniversary party! DEAL: For $25 - Add A Second Phone Number To Your Smartphone for life! Use promo code SLASHDOT25. Check out the new SourceForge HTML5 Internet speed test. ×