Sentence examples for are not clear until from inspiring English sources

The chemical differences between the two ethnic drugs are not clear until now.

The pond-dwelling Hydra is not a very complex little animal but it does have a complex repertoire of moves that aren't clear until after extensive human observation.

However, Laplace pressure of perfluoropolyether (PFPE) lubricant on carbon coated thin-film disk surface was not clear until now.

The relationships among these protists were not clear until the advent of techniques such as electron microscopy and DNA sequencing.

His departure had been expected for several months, though it was not clear until Wednesday that he was definitively leaving.

But the extent of his escape plan was not clear until CBSSports.com laid out the details Wednesday night.

The diagnosis was made on Friday, but it was not clear until yesterday whether the woman had been infected this year or earlier.

It is not clear until two-thirds of the way through O'Hagan's novel how this can be.

Consequently, it was not clear until harvest if plant population decreases with deeper seeding depths were of sufficient magnitude to result in yield differences.

But in the end they were immensely thankful for Brown's interventions, though his impact was not clear until the last hours.

This year brought more of the same, plus an unusual dash of real drama, in election results that were not clear until well after midnight.