How Tiny Robots Are Rewiring Modern Medicine

Our best medicines flood the entire body when we only need to hit one precise target. Enter medical microrobots: tiny robots small enough to swim through your bloodstream and deliver treatment exactly where it's needed.

We're talking DNA robots with four-fingered hands that grab viruses, microscopic vehicles navigating brain tissue, and robots that aren't built but grown.

Science fiction? Not anymore. The question is: how close are we to seeing them change medicine?