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Theory of evolution
In 1859, Charles Darwin revolutionized the world with a new theory. According to him, the living beings evolved according to natural selection. This discovery was refused by a lot of people because at that time everyone thought that everything was thanks to God. -
The laws of Mendel
Mendel has discovered importante laws in the genetic domain. Using peas, he was able to understand how genes were transmitted to the next generation. -
Creation of Chemotherapy
Paul Ehrlich created a puzzle of few molecules to struggle against the syphilis. This principle was repeated by other scientists to struggle against cancer : the Chemotherapy -
Vaccination
During July 1921, a body was saved of tuberculosis thanks to the vaccin made by Calmette and Guerin. After that a lot of people were saved because of this vaccin. -
The Penicilline
Alexander Fleming discovered that the penicilline has antibacterial properties by accident. He was observing staphylococci contaminded by a fungus. This discovery saved many lives.