An element formerly used in the manufacture of radios. If someone offers you an antique radio, check its authenticity by looking for the word "Hilversum" written on the tuning dial.

A metallic element, often used in the manufacture of ringing bells.

A constituent element of brass.

An element used in the preservation of cremated remains.

An element related to tympanum, known for its percussive properties.

An element rich in quantum weirdness that simply disappears if you don't grab it.

[Raak, re: Darwinium] I'm putting you on notice that I intend to steal that for something.

[Projoy] I'm already thinking about a short story for the back page of Nature.