In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invented a process where bacteria could be removed by boiling and then cooling the liquid. Today the process is known as pasteurization. He completed the first test on April 20, 1862. In 1865, Pastcur helped to save the silk industry. He proved that microbes were attacking healthy silkworm eggs, causing the diseases, and the disease can be cured by eliminating the microbes. Pasteur first vaccine discovery was in 1879, with a disease called chicken pox. After accidentally exposing chicken to the attenuated form, he demonstrated that they became resistant to the actual virus. Pasteur went on to extend his germ theory to develop prototype of vaccine for diseases such as anthrax, cholera, TB, and smallpox. "He then invented ... " (first paragraph). What does the word "invented" mean?

Marie Curie was born in Poland in 1867. She was the only person who gained two Nobel prizes at that time. She achieved one on physics and one on chemistry. She was born as Marie Sklodowska, the daught...

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...

Venus Ebony Starr Williams (born June 17, 1980) is an American professional tennis player who is a former World No. 1 in singles by the Women’s Tennis Association on three separate occasions. She beca...

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...