Almost 80 years after it was discovered, the properties of the rare earth element Promethium have been revealed

The only rare earth element whose chemistry is largely unknown isn't so much of a mystery anymore. Although promethium itself is unlikely to become as important to society as its…

Continue ReadingAlmost 80 years after it was discovered, the properties of the rare earth element Promethium have been revealed

Clues to mysterious extinction of large mammals in North America 50,000 years ago found in ancient bone collagen

This article has been reviewed in accordance with the editorial process and policies of Science X. The editors have emphasized the following attributes while ensuring the credibility of the content:…

Continue ReadingClues to mysterious extinction of large mammals in North America 50,000 years ago found in ancient bone collagen