Pop was, until now, "youth culture".
She was, until now, invisible as herself.
Bejel, caused by Treponema pallidum subsp. endemicum (TEN), was until now considered as a non-venereal disease endemic in areas with hot and dry climates.
Yet surface structure, which can help determine electrical properties of the material, was until now beyond direct observation.
While the interface between Upper and Lower Tertiary was, until now, considered responsible for the fundamental frequency of resonance in the Rhine Graben, we found that the bedrock interface in fact lies at the Mesozoic limestone.
I had had no idea how ignorant I was until now, even if my knowledge of American independent films and Seventies sitcoms wasn't half bad.
A surprise treasure of a book from a name that was, until now, best known as the translator of Liao Yiwu's books.
Microsoft, Apple and Amazon were also tipped to take a lead there, but Google was until now seen as something of a laggard.
One thread on the messageboard for Coachella festival, entitled "I never realised how horrible Skrillex was until now" managed to accumulate 1,485 posts.
Mexico City was until now the first jurisdiction in Latin America to allow gays and lesbians to marry and adopt children, a law adopted in December 2009.
Updated at 8.15pm BST 7.14pm BST This new study diverges dramatically from the conclusions of its 2009 predecessor, which was until now the largest of its kind.
