Rare earth elements (REEs) are a group of 17 metallic elements essential in many modern technologies. Despite their name, they are not actually rare, but they are difficult to extract and refine. In ...

Trace elements or metal elements are minerals found in trace levels in biological tissues. Some are confirmed to be nutritionally important, while the remaining are deemed non-essential. While trace ...

Europium, one of the least-common elements in the universe, is found in TVs, lasers, and banknotes. Most of it was probably created by colliding neutron stars.

Scientists have uncovered some of its basic chemical properties for the first time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists ...