A dairy farm heats fresh milk to $63^\circ\text{C}$ for $30\text{ minutes}$ and then rapidly cools it to…
A dairy farm heats fresh milk to $63^\circ\text{C}$ for $30\text{ minutes}$ and then rapidly cools it to kill disease-causing microbes without altering its quality. Which scientist's ground-breaking discovery led to this practice?
Louis Pasteur
Alexander Fleming
Edward Jenner
Robert Hooke
Solution
Louis Pasteur discovered that heating liquids to destroy harmful microorganisms prevents spoilage, a process known as pasteurization.