Many years ago while studying for a degree in mineralogy, I was privileged to visit the Russian Ilmen Mountains, host to two minerals from which several rare-earth elements were discovered — monazite ...

President Trump says a new trade framework with China will give the U.S. access to rare earth minerals. China has a tight grip on one element critical to U.S. military hardware: Samarium. Gracelin ...

For the first time, physicists peer inside the nucleus of a molecule using electrons as a probe Science history: Marie Curie discovers a strange radioactive substance that would eventually kill her — ...

The metallic element samarium, when bound with other elements, is an incredibly useful chemical reagent for synthesizing molecules that can lead to new pharmaceuticals. Discovered in a Russian mine in ...

THE discovery that the radioactivity of potassium is due to a minor isotopic constituent, suggests the idea that other common elements may also have radioactive isotopes present in small amounts. This ...