But keep in mind that the scientists say this mutated gene may be rare.

VOA: special.2009.08.26

But the fungus is rare, and some of its habitats are threatened.

VOA: special.2010.04.06

But it's a very,very rare dinosaur,". Though dinosaur researchers have made giant strides in recent years,they know they have much more to learn.

VOA: standard.2009.12.08

Taliban insurgents have frequently been firing such projectiles into the city but casualties have been rare.

VOA: standard.2009.09.07

But fighting between the Israeli and Lebanese armies is extremely rare.

VOA: standard.2010.08.03

I think that's when you sit back and kind of be surprised." It was a feat celebrated by Chicago White Sox fans throughout the Windy City on Thursday, but the rare accomplishment might not have taken place without the help of one of Buehrle's teammates.

VOA: standard.2009.07.24