But he says taking the long view can help provide insights scientists might miss in a snapshot from a single moment in time.

VOA: standard.2010.05.05

So we're only looking at a snapshot of that very first moment in time.

VOA: standard.2010.06.30

"My suspicion is at this moment in time, that that won't happen.

VOA: standard.2010.06.18

First in line - a student from Essex - who says he waited a long time for this moment.

VOA: standard.2010.05.28

Time and again, the American people have suffered because people in Washington played the politics of the moment instead of putting the interests of the American people first,".

VOA: standard.2009.07.21

"A sense that a step is made to release prisoners, and the government is trying to build some bridges in certain areas, but at the same time, the revolutionary side is given its moment in which Fidel Castro is able to excoriate the United States and to continue to lay out the revolutionary credentials, or Cuba's role as a leader of the Third World."

VOA: standard.2010.07.13