Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

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.

    JUST WATCHED

    Scientists make brains invisible

MUST WATCH

Scientists make brains invisible

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

Scientists make brains invisible

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