Explore how bacteria become resistant to antibiotics and turn into superbugs, and what scientists are doing to stop it.

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Right now, you are inhabited by trillions of microorganisms. Many of these bacteria are harmless (or even helpful!), but there are a few strains of ‘super bacteria’ that are pretty nasty -- and they’re growing resistant to our antibiotics. Why is this happening? Kevin Wu details the evolution of this problem that presents a big challenge for the future of medicine.

Lesson by Kevin Wu, animation by Brett Underhill.

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