Work toward a cleaner way to purify critical metals
Rare-earth elements are everywhere in modern life, found in everything from the smart device you’re reading this on to the LED lightbulbs overhead and neodymium magnets in electric vehicles and…
Signatures of the Space Age: Spacecraft metals left in the wake of humanity’s path to the stars
The Space Age is leaving fingerprints on one of the most remote parts of the planet — the stratosphere — which has potential implications for climate, the ozone layer and…