It wasn't until much later that their scientists discovered the cause.

Yet, as scientists have discovered, only rarely does all go well.

Besides, scientists have discovered that a little sun is good for you.

At the time, scientists had discovered three; they wanted to know if there were any more types.

Scientists have discovered yet another reason that alcohol might be good for you.

The area was unknown until scientists discovered it in 1919.

The scientists of 2011 didn't discover life on another planet.

This afternoon my fellow scientists and I discovered water here.

Scientists have discovered recently that planets really can form within such systems.

Scientists have discovered that one form of energy can be converted into another.