Rhenium and technetium not only share the same group in the periodic table, but also have some common history relating to how they were — or indeed weren't — discovered. Eric Scerri explains.
See Hoerstmann et al. Coupled rhenium–osmium and uranium–lead dating suggest graphitic carbon was hydrothermally cycled through shear zones during late-stage orogenesis associated with Nuna ...
Two decades later, a German chemist identified another element that was similar in nature to nipponium and named it rhenium. And that was actually what Ogawa had discovered. But where No.