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Throughout history, scientific discoveries have completely transformed how humans understand the universe and live their everyday lives.

Think about the discovery of electricity's fundamental principles, the development of germ theory, the structure of DNA, the discovery of penicillin, Einstein's theory of relativity, and the discovery of the expanding universe.

Each breakthrough opened doors to entirely new possibilities.

But choosing the single greatest discovery is surprisingly difficult!

Would you choose something that saved millions of lives, something that changed our understanding of reality, or something that made modern technology possible?

🏆 **What do you consider the greatest scientific discovery in human history, and why?**

Bonus question: **What major scientific breakthrough do you hope happens in the next 20 years?**