Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
There are 17 rare earth elements (REEs) in all — 15 lanthanides plus yttrium and scandium. It's a fairly diverse group, with each rare earth mineral having different applications, pricing and ...
Rare earth elements (REEs), essential components in the magnets used in e-motors and wind turbines, are key to enabling the energy transition. However, REE mining and refining are highly concentrated ...