kryptonite as “the common ore of the super-actinide kryptonium, an unusually stable transuranic element, whose atomic number is believed to be 126.” Kryptonium is given a radioactive half-life of 250,000 years.

From Twitter 04-05-2011: 03:23:20: From Twitter 04-04-2011 http://j.mp/hN5Qz415:09:45: From Twitter 04-04-2011: …

From Twitter 04-04-2011: 03:20:34: From Twitter 04-03-2011 http://j.mp/hQtMca08:23:45: From Twitter 04-03-2011: …