HOW NIELS BOHR CRACKED THE RARE-EARTH CODE

You can’t scroll a tech blog without bumping into a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost nobody grasps their story. These 17 elements seem ordinary, but they anchor the gadgets we use daily. Their baffling chemistry had scientists scratching their heads for decades—until Niels Bohr intervened. Th