Science: Milky Way

Farmers are paid for milk according to its butterfat content. Dairies use a complicated test in which they spike a milk sample with sulphuric acid and then centrifuge the solution three times. The acid and the heat induced by its action break down the heavy non-fat molecules. By centrifuging, the fat globules are forced to the top where they can be measured.

This week Dr. (D. Sc.) Philip Schain, chief of the clinical laboratory at Halloran Veterans Administration Hospital in New York City, told a Milk Industry Foundation convention in Atlantic City about a...

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