A team of physicists from Germany, Finland, India and Japan has discovered a new isotope of the synthetic chemical element seaborgium. Mosat et al. report on the discovery of the new isotope seaborgium-257. Image credit: P. Mosat, GSI/FAIR. Seaborgium is a synthetic chemical element with symbol Sg and atomic number 106. The element was first synthesized in 1974, and now has 14 isotopes; the most stable isotope, seaborgium-271, has a half-life of about...
