Database: Examine overall pay to NC public employees. The NC treasurer's office reported $21.4 billion paid to public employees in 2015. Find how much by county, cities, towns, agencies and school systems.
Summary: Sir Humphry Davy, Joseph Louis Gay-Lussac and Louis Jacques Thenard first discovered boron in 1808. Interesting Facts About Boron. 1  There are 2 stable isotopes of boron (boron-10 and boron-11).  Turkey and the United States are the worldâs largest producers of boron.
Pierre and Marie Curie, French Physicists discovered two new elements emitting radiation, polonium on July 18, 1898. and radium in December of 1898. Marie Curie named the energy emitted from uranium and thorium as radioactivity. and also invented the first instrument to measure radioactivity.