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How was Einstein's brain preserved for decades without decay?

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Within 8hrs of death his brain was perfused with formalin (formaldehyde in water) and kept in a 10% formalin solution. For the long term, it was kept in sealed jars of alcohol (usually 75%). These chemicals kill the microorganisms (bacteria, fungi etc) that cause decay. read more

Within 8hrs of death his brain was perfused with formalin (formaldehyde in water) and kept in a 10% formalin solution. For the long term, it was kept in sealed jars of alcohol (usually 75%). read more

It took decades for the first study on Einstein’s brain to appear. Harvey knew he was no neurologist, and after the dust-up with Einstein’s family, he was somewhat skittish about giving pieces of the brain to other scientists. read more

That study was followed by five others (the most recent published just this month), reporting additional differences in individual cells or in particular structures in Einstein’s brain. The researchers behind these studies say studying Einstein’s brain could help uncover the neurological underpinnings of intelligence. read more

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