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Wellcome Trust employee Zoe Middleton poses for the media by a work entitled 'My Soul' by artist Katherine Dawson, that is a laser etched in lead crystal glass of the artist's own MRI scan, at an exhibition call 'Brains -The Mind as Matter' at the Wellcome Collection in London, Tuesday, March, 27, 2012. The free exhibition is open to the public from March 29- June 17. (AP Photo/Alastair Grant)

Mysteries of brain examined in new exhibit

The exhibition, "Brains: The Mind as Matter", opens Mar. 29 at the Wellcome Collection in London and will feature mummified, desiccated, galvanized and pickled brains as it charts humanity's sometimes misguided attempts at scientific understanding.