2 июн 1877 г. - The Germ Theory
Описание:
The theory that germs and bacteria is the causative agent of diseases. Robert Koch is the man that developed this disease and later followed by other scientist. This was proved to be true.Добавлено на ленту времени:
Дата:
2 июн 1877 г.
Сейчас
~ 148 г назад