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.
December 18, 2011. HrÃ¡deÄek, Czech Republic. VÃ¡clav Havel, (born October 5, 1936, Prague, Czechoslovakia [now in Czech Republic]âdied December 18, 2011, HrÃ¡deÄek, Czech Republic) Czech playwright, poet, and political dissident, who, after the fall of communism, was president of Czechoslovakia (1989â92) and of the Czech Republic (1993â2003).