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This is a heart on a chip. Scientists made them by scanning the arteries of real patients, creating a 3D image, and 3D printing it onto a piece of glass. They’re using it to understand blood clots, make patient-specific treatments, and test new drugs. To see what happens next follow along… DOI: 10.1016/j.celbio.2026.100541 #chip #science #biology #heart #3dprinting