"It's so simple. With a two-liter bottle you add sugar, you add extract, you add a small amount of yeast and water, cap it up and in two days they've got root beer.

VOA: special.2011.08.01

For years,the Central Intelligence Agency stood at the forefront of U.S.efforts to extract information from terror suspects in the post-9/11 era.

VOA: standard.2009.08.24

Both sides are expressing concern over North Korean statements on Friday that Pyongyang is continuing to extract plutonium from spent nuclear fuel for material useable in weapons.

VOA: standard.2009.09.06

Using a hollow tube, they drill into the tree and extract a 5-mm wide cylinder that shows each ring starting with the most recent, just under the bark.

VOA: standard.2010.04.05

And what we've done is submit a tool in the end of the riser to start to extract some of that flow and bring it directly to the drill ship so it never enters into the Gulf of Mexico."

VOA: standard.2010.05.17