Source of “extremely high” radiation in Russia a mystery Prison Planet.com Posted on November 21, 2017 Posted in Aggregated No Comments Tagged with Sci Tech CBS News | Russian authorities on Tuesday confirmed reports of a spike in radioactivity in the air over the Ural Mountains. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email