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I hope that was just an attempt at being funny. You are surrounded by sources of radiation, from your TV, to bananas, to granite, to other people, to glow-in-the-dark stuff, and on and on.
Replying again, I looked up.org in wikipedia and it says nothing about it being global. If you have a source for your statement that.org site is global and should not contain US centric content, please post it.
Strange then that I've lived nearly my whole life in the US and can't remember ever going to a.us site. Slashdot is run out of the US with American editors. It uses American units and American lexicon (color instead of colour, etc). It's not going to have every unit for every country, ever release date for every movie, or every lexicon to appease the global audience. Get over it. This has nothing to do with taking criticism or behaving like a strop, whatever the fuck that is.