Prosthetic limbs aren't the only technology undergoing a renaissance neural implants are also rapidly maturing, promising to provide mental augmentation rather than physical.

WSJ: Bionic Brains and Beyond

And we certainly won't make any progress so long as we think consciousness is identical with neural activity.

BBC: Brain research's 'golden age'

And although Yurke hasn't given up on DNA computers (he's working on a DNA neural network), he is excited about this use of DNA. Leonard Adleman is too.

FORBES: DNA May Make Computers, Not Run Them

But after speaking with him for two minutes I wouldn't have been surprised if he told me that he had already received artificial neural enhancements and other biological upgrades.

CNN: STORY HIGHLIGHTS