Amedeo Avogadro Amedeo Avogadro Amedeo Carlo Avogadro, () Count of Quaregna and Cerreto (9 August 17769 July 1856), was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, , is known as the Avogadro constant, one of the seven SI base units and represented by "N". Lorenzo Romano Amedeo Carlo Avogadro was born
History of same-sex marriage in the United States same-sex marriage licenses on October 21, 2013, following a September 27 state superior court decision that found an equal protection right of same-sex couples to marry. It reasoned that with the U.S. Supreme Court's recent action in "United States v. Windsor", couples in New Jersey civil unions lacked access to federal benefits they could now receive if married. Governor Chris Christie, who had vetoed legislation legalizing same-sex marriage in February 2012, filed an appeal to the New Jersey Supreme Court, but withdrew it after the court refused to stay the lower court's ruling. Eight New Mexico counties, either on the