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.
From the name of the Slavic tribe the Lendians, called the LÄdzianie in Polish. According to Slavic legend this was the name of the founder of the Polish people. A famous bearer was the Polish president Lech WaÅÄsa (1943-).