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Electric current to the brain 'boosts maths ability' (bbc.co.uk)
4 points by mayutana 5703 days ago
1 comments
RiderOfGiraffes 5703 days ago
Cross-references:

http://news.ycombinator.com/item?id=1870798

http://news.ycombinator.com/item?id=1869772

link