United States raw milk debate temperatures may be used by different processors, pasteurization is most commonly achieved with heating to 161 degrees Fahrenheit (71.7 degrees Celsius) for 15 seconds. Milk is tested following pasteurization to confirm that bacteria have been killed to an acceptable level. Pasteurization kills pathogenic bacteria which occasionally may be present in milk, including those causing tuberculosis ("Mycobacterium bovis"), listeriosis ("Listeria monocytogenes"), Q fever ("Coxiella burnetii"), brucellosis ("Brucella"), campylobacteriosis ("Campylobacter"), salmonellosis ("Salmonella"), and several other foodborne illnesses (e.g., ). Pasteurization may not kill some resistant bacteria, which can eventually cause souring and spoilage of fresh milk. UHT pasteurization (Ultra High Temperature) is
The Foolish Old Man Removes the Mountains The Foolish Old Man Removes the Mountains The Foolish Old Man Removes the Mountains () is a well-known fable from Chinese mythology about the virtues of perseverance and willpower. The tale first appeared in Book 5 of the "Liezi", a Daoist text of the 4th century BC, and was retold in the "Garden of Stories" by the Confucian scholar Liu Xiang in the 1st century BC. It was also used by Mao Zedong in a famous speech in 1945. The myth concerns a Foolish Old Man of 90 years who lived near a pair of mountains (given in some tellings