The article doesn't go so far as to say so explicitly, but it implies we're seeing spectra of gold, platinum, and uranium, among others, in gamma ray bursts. If

The article doesn't go so far as to say so explicitly, but it implies we're seeing spectra of gold, platinum, and uranium, among others, in gamma ray bursts. If that's the case, I don't think the a priori improbability of the story much matters.