Scientists make brains invisible

An actual human brain displayed inside a glass box, as part of an interactive exhbition 'Brain: a world inside your head', in Sao Paulo, Brazil, on August 21, 2009.
An actual human brain displayed inside a glass box, as part of an interactive exhbition 'Brain: a world inside your head', in Sao Paulo, Brazil, on August 21, 2009.

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    Scientists make brains invisible

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A Stanford scientist has figured out one way to see through brains. CNN's Dan Simon reports.