THE UNTOLD LINK BETWEEN NIELS BOHR AND RARE-EARTH RIDDLES

You can’t scroll a tech blog without stumbling across a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost nobody grasps their story. These 17 elements look ordinary, but they power the devices we use daily. Their baffling chemistry left scientists scratching their heads for decades—until Niels Bohr stepped in