Could These Tiny Biological Robots One Day Replace Risky Open Surgeries?

Science has been exploring the idea of putting tiny robots inside the human body, assigning them tasks ranging from delivering drugs at target spots and performing surgery to 3D-printing inside living tissues and assembling medical devices while floating in the bloodstream. We have even heard of capsules that vibrate inside the gut to solve issues like chronic constipation. But the human body doesn’t always play nice with foreign objects, especially when they happen to be an amalgamation of electronic

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