Wilhelm Röntgen discovered X-rays while experimenting with cathode rays and crystals, leading to the realization that ...

Former Russian spy Alexander Litvinenko died in a London hospital in 2006, after drinking tea poisoned with the highly radioactive material - polonium. But who wanted him dead, and why?

She suspected the presence of an even more powerful element. MARIE-NOELLE HIMBERT: Here, Po, Polonium is the first element that they discovered. CHRIS PACKHAM: It’s remarkable, isn’t it?

For a comprehensive discussion of solid-state detectors and charge-sensitive preamplifiers see Inst. Rad. Eng. Trans., NS–8, No. 1 (1961). Biological half-lives for some other organs are given ...