Following the Chernobyl accident from 26 of April 1986, many European countries were contaminated with high amounts of radioactive material, from which, cesium, strontium and plutonium were the most important constituents....

Firefox is a fast, free Internet browser from Mozilla that runs on Windows, Mac, and Linux Computers. According to spreadfirefox.com, to-date there have been 23 million downloads since the release of Firefox 1.0 in September 2004, and MS IE usage has been dropping at the same time. Thunderbird has seen more than 2 million downloads....