Sentence examples similar to discovers before from inspiring English sources

My surprise is that it hasn't been discovered before now.

As BBC Future has discovered before, proponents of space elevators believe not.

A handful of single circumbinary solar systems have been discovered before, but this is the first known example of more than one planet around a pair of stars.

Metformin was discovered before the era of target-based drug discovery and its molecular mechanism of action remains an area of vigorous diabetes research.

The Jolly Boys have been discovered before.

Why had this not been discovered before?

Fingers crossed it's discovered before the UK run".

Second, they say it has been discovered before.

Another 402 improvised explosive devices were discovered before detonation.

Were those birds discovered before they rubbed off on asphalt?

"Why wasn't this discovered before?" she asked.