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.
The President of the European Parliament (Parliament's speaker) is Martin Schulz (S&D), elected in January 2012. He presides over a multi-party chamber, the two largest groups being the Group of the European People's Party (EPP) and the Progressive Alliance of Socialists and Democrats (S&D).