The Wen Wei Po article contains a nugget that tells us why Beijing wanted to get back at the regime in Pyongyang.
Yet inside this shabby story is a nugget of insight screaming to get out.
I always find at least one nugget of information that I can immediately apply to the work I do.
1852, "lump of gold," probably from southwestern England dialectal nug "lump," of unknown origin [OED]. Another theory is that it is from a misdivision of an ingot. Transferred sense is from 1859.