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Scientists Turn Cells Into Recording Device

The life of a living cell is not as dull as we may think, and now scientists say they have a tool for recording and playing back the cell’s 'memories' of recent experiences. As reported by the online magazine Science, researchers at Boston University and the Massachusetts Institute of Technology say they have managed to turn strands of molecules, known as DNA, inside a living cell, into a biological recording device. A signal - such as the presence of a chemical - alters the DNA,...

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