3D printed ‘heart on a chip’ is an alternative to animal testing

3D printings potential to create custom objects, parts and tools has enormous potential for the medical field, where bespoke organs could be created on demand, saving lives that wouldnt survive waiting for donors. This year has already had standout applications: back in February, scientists successfully implanted printed tissue and organs into animals while another group created a new jaw for a cancer survivor. But Harvard researchers got closer to human-ready organs when they built…
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