Digital Cells: Science News Online, April 26, 2003 In the past few years, scientists have taken the first steps towards creating a host of cellular robots that are programmed to carry out tasks such as detecting and cleaning up environmental pollutants, tracking down cancer cells in a body, and manufacturing antibiotics or molecular-scale electronic components. These researchers have imported notions of electrical engineering – digital logic, memory, and oscillators – into the realm of biology. Their plan: to create cells with computer programs hardwired into the DNA.


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