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Unlocking the Secrets of Promethium: Scientists Capture a Never-Before-Seen Elemental Bond
Secrets of radioactive 'promethium' — a rare earth element with mysterious applications — uncovered after 80-year search
First Promethium ‘Complex’ Created, Revealing Mysterious Element’s Secrets
Promethium bound: Rare earth element's secrets exposed
Promethium bound: Rare earth element’s secret - EurekAlert
Scientists Determine Properties of Extremely Rare Element: Promethium
