The story of the fifteenth element began in Hamburg, in 1669. The unsuccessful glassblower and alchemist Hennig Brandt was trying to find the philosopher’s stone, a mythical substance that could turn ...

Countless periodic table posters are now obsolete. Meet the newest elements: nihonium (Nh), moscovium (Mc), tennessine (Ts) and oganesson (Og). On November 28, the International Union of Pure and ...

Creating new heavy elements is a faint bit like working a pinball machine; it takes a nice judgment of speed. Last week a group of University of California scientists led by Professor Glenn Seaborg ...

For five years, Dr. B. Smith Hopkins, professor of inorganic chemistry at the University of Illinois, had been searching through a gathering of old friends and nodding acquaintances to discover one of ...