(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.
exists and is an alternate of . All silver coins had 10% copper added to make them harder so they would withstand circulation better. Silver was taken out of circulating US coins in 1965 with the exception of the half-dollar which continued to be minted in 40% silver from 1965 until 1970.