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A toy model of the brain
An employee of Japanese puzzle maker Hanayama displays a 4D model which has 39 puzzle pieces representing the human skull and brain at the annual Tokyo Toy Show 28 June 2007.
Yoshikazu Tsuno/AFP/Getty Images
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A toy model of the brain
An employee of Japanese puzzle maker Hanayama displays a 4D model which has 39 puzzle pieces representing the human skull and brain at the annual Tokyo Toy Show 28 June 2007.
Yoshikazu Tsuno/AFP/Getty Images