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 election: President Komorowski loses to rival Duda. Read more about sharing. The conservative challenger in Poland's presidential election, Andrzej Duda, has defeated the incumbent, Bronislaw Komorowski, final results show. Mr Duda won 51.5% of votes in the run-off, while Mr Komorowski polled 48.5%. Mr Duda had edged Mr Komorowski, who had been the favourite, in the first round but did not gain the 50% needed to win outright. The president has limited powers, but is head of the armed forces and can veto new laws.