The debris now circles the Earth in orbits from two hundred kilometers to over three thousand eight hundred kilometers.

VOA: special.2009.04.01

Now there is a movement to bring scientists out of the laboratory and into the community for talks over dinner and drinks.

VOA: special.2010.05.14

Now anyone can join. Facebook said it had over two hundred fifty million active users as of July.

VOA: special.2009.09.14

The remaining several thousand contractors have no guarantee of work now that the program is over.

VOA: special.2011.07.18

I think there are over one hundred hives now that have been planted in the village."

VOA: special.2009.06.29

Scientists now know that two conditions make climbing at heights over eight thousand meters extremely difficult.

VOA: special.2010.06.30

When I look back now from this high hill of my old age, I can still see the dead lying all over the ground.

VOA: special.2010.04.08

The water poured over them. The reporter thought he was now wet to the skin.

VOA: special.2010.03.06

A blue-gray haze from natural and now manmade sources hangs over them like smoke.

VOA: special.2009.09.28

Now,BP faces growing political pressure over the worst oil spill in American history.

VOA: special.2010.06.04

The violence is now spreading over the border to American communities.

VOA: special.2009.04.18

"What's happening right now is people are being arrested and they are being forced to hand over their passwords, a lot of the times, for their social media accounts.

VOA: special.2011.06.27

Now I have to start all over again.

VOA: special.2010.11.04

And Mr.Karzai is now widely seen as presiding over a corrupt government, says analyst Nora Bensahel of the RAND Corporation.

VOA: standard.2009.08.03