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.
Polish voters, clearly eager for a change, elected the conservative Andrzej Duda as president. The morning after the election, Mr. Duda handed coffee out to voters in Warsaw. By Reuters on Publish Date May 25, 2015. .