Spark of genius

April 3, 2013

Scientists have rediscovered a centuries-old procedure for supercharging your brain. Depending on how it’s used, it could improve anything from focus to motor control to mathematical or even moral reasoning. It’s simple. It’s relatively cheap. The known side effects are minimal. And it’s so easy that you can do it in your own home, anytime you want. All you need are a pair of electrodes and a power source. (Slate)