Feature

Digital Cells

Computer circuits made of genes may soon program bacteria

By
10:56am, April 21, 2003

Imagine a future in which a single drop of water holds a veritable army of living robots; in which people download software updates not for their computers, but for their bacteria; and in which specially programmed cells course through a person's arteries, monitoring blood sugar concentrations and keeping an eye out for cholesterol buildups.

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