"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 ...

OAK RIDGE, Tenn. — Scientists with the Oak Ridge National Lab have discovered some properties of a rare element: promethium. It was first discovered 80 years ago at the very same laboratory.

Scientists at Oak Ridge National Laboratory study promethium, a radioactive element without stable isotopes, using a new method to analyze its bonding properties. "Promethium was the last puzzle piece ...

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 ...

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 ...

Scientists have revealed key properties of radioactive promethium, a rare earth element with poorly understood applications, using a groundbreaking new method. When you purchase through links on our ...

Conceptual art showing the rare earth element promethium in a vial surrounded by an organic ligand. Scientists have discovered hidden features of promethium, opening a pathway for research on other ...