Dive in to the fascinating world of science with Tomorrow Today. Your weekly dose of science knowledge. A show for everyone who's curious -- about our cosmos and how it works.
https://www.dw.com?maca=en-podcast_tomorrow-today-3524-xml-mrss
Rare earths
Whether hard drives or electric motors, rare earth elements play a key role in a range of technologies. The metals mostly come from China. To ease dependence, researchers at the RWTH Aachen University are working on recycling the precious elements.