The Tanugans inhabit Tanuga IV.
	Dr Apgar is "one of the greatest scientific minds in the universe".
	Apgar is trying to turn his Krieger Wave Converter into a weapon to sell to either Ferengi or Romulan parties.
	The Enterprise is studying a proto-star cloud in an adjoining system. They are also delivering a shipment of dicosilium to Apgar's laboratory.
	Duranium is used in a starship's interior.
	Picard's painting, is according to Data "a haphazard melange of clashing styles influenced by proto-Vulcan styles and the work of Picasso and other cubists."

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