What is normal?
I've worn glasses since I was 7 years old. Many people wear hearing aids to improve their hearing. What about false teeth? What about pace makers in hearts? Think of the paraplegics with artificial legs, arms or hands.
Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others. Do you think that researchers should attempt to improve normal sensory capabilities beyond their “natural” range (for example make human visual or audio capabilities more sensitive than normal)? What problems might this cause?
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