Word: milligrams
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Dates: during 1930-1939
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...that other animals besides man could become drug fiends. With evident gusto, dapper Dr. Yerkes told the philosophers how he had made morphine addicts of two male apes eight years old. After the animals became reconciled to having their flesh pricked by dummy syringes, they were daily given one milligram of morphine per kilogram of body weight and the dose was increased to four milligrams (a much smaller intake than that of human addicts). Symptoms of addiction were increased "grooming" (scratching, skin picking, hair plucking), restlessness, nocturnal activity, gastric and bowel disturbances, slight loss of weight, increased amiability and apparent...
Another product made from maleic acid is Succinic Acid, which occurs naturally in amber. A compound of succinic acid,, succinyl-chlorimide, has been found to be a thoroughgoing purifier of water. A six-milligram speck of succinyl-chlorimide, reported Dr. Downs, disinfects a canteen of water in a few minutes...