Nuclear chemists and nuclear physicists at the University of Cologne provide experimental proof of a long-suspected atomic decay pathway. The article published in ‘Physical Review’ shows that ...

When the periodic table was being put together in the late 1800s, a hole remained in the center of the middle row of transition metals where element 43 should be. This space stayed vacant until 1937, ...

The story of the last element to be discovered out of the first 92 catalogued in the periodic table is told by Eric Scerri, who reminds us that technetium can be found a little closer to home than ...