Until the discovery, Italy had been considered mad-cow-free.
His achievement remained unequaled until the discovery of penicillin.
That is, until the discovery that Joanie has a lover precipitates a parallel crisis.
Until the discovery of J. tyleri, all records were from shallow waters in the northern hemisphere.
Until the discovery of this specimen, the oldest octopus fossils were from the Jurassic period.
Federal dollars, fishing and timber sustained Alaska until the discovery of oil in the 1960s.
The ones about Vinland would scarcely be believed, at least not until the discovery of these ruins.
Until the discovery of oil in the late 1950s, there was little here but Bedouins and sand.
But until the discovery here, on April 12, nobody had ever seen a leak on the bottom.
Tulsa, a former Creek Indian village in the Sandstone Hills region, grew slowly until the discovery of oil nearby.
Excelsior diamond, until the discovery of the Cullinan diamond in 1905, the world's largest-known uncut diamond.
