Discover the significance of rare-earth elements, their applications in technology, and the global race for their resources.

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 ...

Which Metal is the Lightest of All? The natural world is governed by density, which dictates whether something floats, sinks, ...

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.