(plural paradigm shifts) 1  A radical change in thinking from an accepted point of view to a new one, necessitated when new scientific discoveries produce anomalies in the current paradigm. ( US) A radical change in thinking from an accepted point of view to a new belief.
The use of IN GOD WE TRUST has not been uninterrupted. The motto disappeared from the five-cent coin in 1883, and did not reappear until production of the Jefferson nickel began in 1938. Since 1938, all United States coins bear the inscription.
The first U.S. silver dollars, the so-called âFlowing Hairâ variety, were pressed in 1794, followed by the Draped Bust and Seated Liberty dollars. In 1873, under President Grant, the Fourth Coinage Act shifted American coins to the gold standard, taking silver out of the domain of coinage for five years.