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.
In January 2013, Zeman was elected President of the Czech Republic. He is the first directly elected President in Czech history; both of his predecessors, VÃ¡clav Havel and VÃ¡clav Klaus, were elected by the Czech Parliament. In 2018, he was re-elected for a second term.