A skull is displayed at the Wellcome trusts new “Brains” exhibition at the Wellcome Collection on March 27, 2012 in London, England. The exhibit makes up part of the Wellcome Collection's major new exhibition, “Brains” which includes slices of Einstein's brain, 3000 year old trepanned skulls, ancient Egyptian mummified brains and brains in jars, and opens to the public from March 29 June 17, 2012. (Photo by Dan Kitwood/Getty Images)

Slices of Albert Einstein's brain (bottom right) are displayed at the Wellcome trusts new “Brains” exhibition at the Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

A dissection kit is displayed at the Wellcome trusts new “Brains” exhibition at the Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

Preserved brains are displayed at the Wellcome trusts new “Brains” exhibition at the Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

Wellcome trust employee Zoe Middleton poses behind an artwork entitled “My Soul” by Katharine Dowson, which consists of a laser etched lead chrystal glass formation in the shape of a brain, and was created using the artists own MRI Scan, at Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

A corrosion cast of blood vessels in the brain made from resin is displayed at the Wellcome trusts new “Brains” exhibition at the Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)