(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.
2664, enacted December 22, 2005, which directs the United States Mint to produce $1 coins with engravings of relief portraits of U.S. presidents on the obverse. From 2007 to 2011, presidential $1 coins were minted for circulation in large numbers, resulting in a large stockpile of unused $1 coins.owever, Federal Reserve officials indicated to Congress that if the Presidential $1 Coin Program does not stimulate substantial transactional demand for dollar coins, the requirement that the Mint nonetheless produce Sacagawea dollars would result in costs to the taxpayer without any offsetting benefits..