"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Although the Periodic Table of Elements is an impressive achievement of human understanding, scientists ...

Nearly 80 years after scientists at Oak Ridge National Laboratory discovered an extremely rare radioactive element called promethium, a team at the lab published a landmark study on the subject that ...

Conceptual art shows the rare earth element promethium in a vial surrounded by an organic ligand. ORNL scientists have discovered hidden features of promethium, opening a pathway for research into ...

One of the rarest and most mysterious elements in the periodic table has finally given up some crucial chemical secrets, eight decades after its discovery. Researchers at Oak Ridge National Laboratory ...

A century ago, so few natural elements remained undiscovered, and so many scientists were scouring the Earth for the honor of finding them, that disputes over who discovered what first became ...

One of the proud achievements of Oak Ridge National Laboratory is the discovery of three elements either by its own staff or in collaboration with other institutions in the United States and Russia.

The project is an opportunity for notable filmmakers, such as British Academy of Film & Television Arts award winner Issacs, to explore the human side of the periodic table. “We don’t pitch it as a ...

Then, using X-ray spectroscopy, they determined the properties of the complex, including the length of the promethium chemical bond with neighboring atoms -- a first for science and a longstanding ...