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.
Poland History Government. Type: Republic. Constitution: The constitution now in effect was approved by a national referendum on May 25, 1997. The constitution codifies Poland's democratic norms and establishes checks and balances among the president, prime minister, and parliament.