I?m an obvious beneficiary of medical technology. Without the computer surgically embedded in my skull, I?d be totally deaf. The device, called a ?cochlear implant,? routes past my damaged inner ear by triggering my auditory nerves with sixteen tiny electrodes coiled up inside my cochlea.



It?s not a cure, though, any more than glasses cure vision loss. It?s a prosthesis, a workaround. Compared to the extraordinary delicacy and precision of naturally evolved organs, it?s clumsy. It?s like... Click to continue