World leaders agreed this week to protect all nuclear materials within four years to stop the possibility of nuclear terrorism.

VOA: special.2010.04.17

This raises the exciting possibility that life may have existed in the past on Mars.

VOA: special.2009.12.30

Lionel has also mentioned the possibility of reuniting later this year to begin work on a new Commodores album.

VOA: standard.2009.06.24

"That never,ever had a possibility of happening in my experience at UCLA because of this man here.

VOA: standard.2010.06.05

"So,this kind of cyclical problem of displacement is extremely unsettling for the population and limits the possibility for the population to reinvest in economic activities such as agriculture,commerce and so on and so forth,".

VOA: standard.2009.09.25

This is welcome news for U.S.health officials, who initially had to consider the possibility that the new flu strain's impact could mirror the devastation of the 1918 influenza pandemic that led to tens of millions of deaths worldwide.

VOA: standard.2009.05.03

The ongoing debt crisis in Greece and other southern European countries served as a reminder at this meeting of the danger of overspending - but also of the possibility that trimming spending too sharply could plunge the world economy back into recession.

VOA: standard.2010.06.05