Stanislao Cannizzaro in Italy. He is best known for his contribution to the then-existing debate over atoms, molecules, and atomic weights. He championed Amedeo Avogadro's notion that equal volumes of gas at the same pressure and temperature held equal numbers of molecules or atoms, and the notion that equal volumes of gas could be used to calculate atomic weights. In so doing, Cannizzaro provided a new understanding of chemistry. Stanislao Cannizzaro Stanislao Cannizzaro FRS (13 July 1826 – 10 May 1910) was an Italian chemist. He is remembered today largely for the Cannizzaro reaction and for his influential role in the atomic-weight
Same-sex marriage law in the United States by state Same-sex marriage law in the United States by state This article summarizes the same-sex marriage laws of states and similar jurisdictions in the United States. Via the case "Obergefell v. Hodges" on June 26, 2015, the Supreme Court of the United States legalized same-sex marriage in a decision that applies nationwide, with the possible exception of American Samoa and some tribal jurisdictions. Same-sex marriages are currently licensed and recognized in all U.S. states, District of Columbia, territories, excepting the aforementioned American Samoa and some Native American tribal jurisdictions. Texts:<br> ALABAMA CONSTITUTION - Amendment 774. Sanctity of Marriage Amendment (=Ref.1, cited