So when spacecraft are sent to other planets, scientists will look for layers of gypsum in hopes of finding similar fossils.

VOA: special.2010.05.25

So when I had a handful of these cases, it seemed to me then there was likely something worth investigating.

VOA: special.2010.02.24

"So when foreign companies start negotiating with local Chinese suppliers, they really press hard on the prices offered by those Chinese suppliers."

VOA: special.2010.06.18

"So when they return back home, they've got an occupational health issue that wasn't addressed in the country where they were working.

VOA: special.2011.07.06

So when Kristi uses the truck to see her mother outside Washington, people are disappointed that she cannot stop to sell them cupcakes.

VOA: special.2010.04.12

"So when this thought came about starting a record label we already had a few ideas of people that we'd like to record.

VOA: special.2010.04.19

And so when you can find an artifact that very comfortably dates the site to the appropriate period, that's exciting for an archeologist."

VOA: special.2011.07.26

So when their numbers fall, the entire ecosystem of the ocean is put at risk.

VOA: special.2009.04.03

So when the fire alarm bell rang, men near the sound of the fire bell dropped what they were doing and rushed out to fight the fire.

VOA: special.2009.05.17

And so when I got there I was turned away."

VOA: special.2010.04.24

So when Bill saw the windstorm, he got an idea.

VOA: special.2009.11.28

"So when the chance came she could take it.

VOA: special.2009.02.14

"Air Guitar is the embodiment of the music that you hear, and so when you hear a rock song that really grabs you, just those steel hooks in your rib cage, you start miming it out.

VOA: special.2009.08.14

So when you talk to class four, he says,then it is difficult to teach the little kids in class one.

VOA: standard.2010.02.25