The Queen of England and the Rockerfellers hold the
biggest stocks of Uranium on Earth.
Perhaps they're just collecting as a hobby in the same way some poople collect stamps, beer mats, mugs, train numbers, spoons, etc? Mind you since radiation can cause physical mutations, it would go some way to explain Prince Charles' ears. LOL
This Saturday at 10:35 PM BBC1 will be showing the film "SIGNS" which is about an alien invasion. If you haven't seen it I recommend you do, if you've already seen it then it's still worth watching.