MSG Side Effects. Ingestion of glutamic acid (MSG) is known to produce a variety of adverse reactions in some people. These reactions, although seemingly dissimilar, are no more diverse than reactions found as side effects of certain neurological drugs. We do not know why some people experience reactions and others do not.
Four Principles of Scientific Management. Taylor's four principles are as follows: Replace working by rule of thumb, or simple habit and common sense, and instead use the scientific method to study work and determine the most efficient way to perform specific tasks.
Based on observation of river flow and mud content, he realized that this process would require much longer than 6,000 years. So, too, did Lyell, author of the highly influential Principles of Geology, which appeared in 12 editions from 1830 to 1875 and which presented a strict version of uniformitarianism.