Exploring Borders of Natural, Artificial
New projects that blur the boundaries between the natural and the artificial include the xDNA molecule, more heat-resistant than natural DNA and glows in the dark; “programmed” living cells that encode instructions using genes rather than binary numbers; fish neurons grown over silicon chips, creating electrical activity that controls a robotic arm and produces “art”; a bioartificial kidney; a three-dimensional sheet of living tissue printed on biodegradable gel using standard inkjet printers; and Craig Venter’s attempt to build a synthetic bacterium.
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