![Henry Markram: A brain in a supercomputer](https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/121608_800x600.jpg?h=200)
Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's 100,000,000,000,000 synapses.