The term body shop is taking on new meaning as scientists figure out how to use 3D printers to create everything from a skull to an ear to human cartilage. There’s even a printer that may be able to use embryonic stem cells to replace kidneys, hearts, and other organs. Putting these developments together is inevitable, and in the not too distant future, maybe within the next 50 years, we will have a world where we literally escape the limitations of our own bodies. We will have the best arms, legs, lungs, and eyes that money could buy. This future is scary but inevitable.
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