What is the most relevant discovery or invention in humanity?

Question: What is the most relevant discovery or invention in humanity!?

that seeded more innovations and possibilities!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Making fire!.Www@QuestionHome@Com

Communications: Pen, ink and paper, printing press, telephone, telegraph, computer, internet!.Www@QuestionHome@Com

The printing press in the early fifteenth century; it facilitated the distribution of knowledge to more people than ever before!.Www@QuestionHome@Com

as an invention i would have to say the printing press , that help spread knowledge more!. But i would have to say making peace !. Www@QuestionHome@Com

Antibiotics/Penicillin!.!.!.!.!.!.!.!.!.!.saved countless millionsWww@QuestionHome@Com

FIRE!.
Peace!.Www@QuestionHome@Com