Submission + - Scientists overclock people's brains (bbc.co.uk)
arshadk writes: "Applying a tiny electrical current to the brain could make you better at learning maths, according to Oxford University scientists."
"The effects were not short-lived, either. When the volunteers whose performance improved was re-tested six months later, the benefits appear to have persisted."
"The effects were not short-lived, either. When the volunteers whose performance improved was re-tested six months later, the benefits appear to have persisted."