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30 Puede 2025, 12:15 The goal sounds like science fiction: to create a prosthetic that moves like a natural part of the body, can regenerate, and is built using the patient’s own cells. But it isn’t fiction — it’s a developing line of research in bioengineering. Ambitious and still years away from full realization, it is nonetheless tangible and making rapid progress. In February, the University of Tokyo, in collaboration with Waseda University, created an 18-centimeter arm from human muscle tissue, capable of moving its fingers. Meanwhile, in Barcelona, the Institute for Bioengineering of Catalonia (IBEC) has successfully emulated the internal structure of muscle using 3D bioprinters, allowing not only for reproduction of its natural form but also for functionality.