Now,the University of Southern California researchers say their work may make it possible for doctors to heal cleft palate before birth.

VOA: special.2009.12.22

The experiment pushed the search for water several meters below the lunar surfacea much deeper than had been possible before.

VOA: special.2009.12.30

Before he was president, Mister Hoover worked for many years to make the construction of the dam possible.

VOA: special.2009.08.12

"Is it possible to make those relations better after separation than before.

VOA: special.2009.07.30

President Barack Obama has said he would review diplomatic efforts with Iran at the end of this year, before pursuing possible new sanctions through the Security Council.

VOA: standard.2009.11.30

House Democrats say they're still working to finalize a measure and if possible bring it to the House floor for a vote before lawmakers leave town for their August break.

VOA: standard.2009.07.21

The spokesman said it is possible for both sides to negotiate a new Strategic Arms Reduction Agreement in the little time remaining before the current one runs out in December.

VOA: standard.2009.04.02