(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 Morgan dollar was a United States dollar coin minted from 1878 to 1904, and again in 1921. It was the first standard silver dollar minted since production of the previous design, the Seated Liberty dollar, ceased due to the passage of the Coinage Act of 1873, which also ended the free coining of silver. The coin is named after its designer, United States Mint Assistant Engraver George T. Morgan.