Medium of exchange was observed as early as Oresme, Copernicus and then in 1558 by Sir Thomas Gresham, that bad money drives out good in any marketplace (Gresham's Law states "Where legal tender laws exist, bad money drives out good money"). A more precise definition is this: "A currency that is artificially overvalued by law will drive out of circulation a currency that is artificially undervalued by that law." Gresham's law is therefore a specific application of the general law of price controls. A common explanation is that people will always keep the less adultered, less clipped, sweated, less filed, less trimmed coin,
When Good Pets Go Bad When Good Pets Go Bad When Good Pets Go Bad is an American reality television series of specials about animals behaving in dangerous and often unpredictable ways. It aired on Spike. The title, "When Good Pets Go Bad", is somewhat of a misnomer. While some of these are pets, others are livestock or wild animals. The series contains footage of many types of animals, including horses, dogs, house cats, big cats, moose, deer, cattle, primates and reptiles. Viewers may also question whether the animals are "bad" in a moral sense or are merely acting according to instinct. Animals are shown