1 янв 1860 г. - Germ Theory
Описание:
Discovered by Louis Pasteur (French chemist), Joseph Lister (English Surgeon), and Robert Koch (German Physician). Diseases are caused by microorganisms, too small to see without magnification. They invade humans, animals, and other living things.Добавлено на ленту времени:
Дата:
1 янв 1860 г.
Сейчас
~ 164 г назад
