There are three primary ways that naturally occurring radioactive isotopes decay: 1  Alpha particle emission. 2  Beta particle emission. 3  Gamma radiation emission.
President condemns Ankara attacks. The current migration crisis is a problem of the entire EU and not of a particular country, Polish President Andrzej Duda said after the end of the Visegrad Group two-day summit in Balatonfuered, Hungary, on Friday.
Boris TadiÄ (Serbo-Croatian pronunciation: , Serbian Cyrillic: Ð±Ð¾ÑÐ¸Ñ ÑÐ°Ð´Ð¸Ñ; born 15 January 1958) is a Serbian politician, current President of the Republic of Serbia and leader of the Democratic Party. TadiÄ was elected to a five-year term on 27 June 2004, and was sworn into office on 11 July 2004.