But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine.

VOA: special.2009.07.22

The researchers say many, if not all,people likely have these antibodies but do not always produce or use them efficiently.

VOA: special.2009.03.04

And there are some insidious people out there that will do these types of things and you have to capture them."

VOA: special.2011.06.24

They stopped laughing when they found he could do the hard work of a cowboy as well as any of them.

VOA: special.2010.08.05

"We can do more good setting an example and being friends and business associates than we can by ostracizing them."

VOA: special.2010.02.04

Netflix members do not have to go to the video store to get movies or to return them.

VOA: special.2009.09.25

They were not ready for self-government. So,there was nothing for us to do but to take them all.

VOA: special.2010.07.22

So we have to have some trust that people will do what we tell them to do."

VOA: special.2009.08.31

Many parents do not have the money to buy books, so sometimes the teachers pay for them.

VOA: special.2009.08.24

But I do not recognize the right to waste them, nor to rob -- by wasteful use -- the generations that come after us."

VOA: special.2010.08.12

The fathers believe children will only do what their parents do not want them to do.

VOA: special.2010.05.24

And they now call the delivery agent who can now come and meet them at a particular place and do the vaccination for them."

VOA: special.2009.11.03

"I do not know what any of them have to do with it," Cazeau said.

VOA: special.2009.06.27

He said the Earth is hiring and it was up to them to join together and do what is needed to help save the planet.

VOA: special.2009.06.05