He says the methane discovery presents scientists with a mystery because it is still not clear how the gas is being produced.

VOA: special.2009.12.30

"The music here is more complicated and harder, but I think it's partly because it's also with woodwinds and brass, basically with a band.

VOA: special.2010.06.21

The Homestake Gold Mine was chosen to study dark matter because it is largely protected from the radiation that could interfere with the project.

VOA: special.2009.07.21

I also worked with a group of lay Buddhists who like Dewey's work very much because it is very comfortable with some of the ideas of Mahayana Buddhism."

VOA: special.2010.01.07

Twenty-four-year-old Lukasz Pawlowski says he agrees with the ban, if only because it protects the feelings of older Poles.

VOA: standard.2009.12.16

But the Japanese government and public refused to acknowledge it until then - in part, because of the stigma associated with poverty.

VOA: standard.2010.02.25

They have stayed. And largely,I suspect, it is because of their feelings of alliance with the United States and with each other."

VOA: standard.2009.09.29

and we are working with the settlement community to try to ease the pain involved because we know it is difficult for them,".

VOA: standard.2010.01.03

He says he has worn it for two days and figures it must be working because he has not come down with the flu.

VOA: standard.2009.04.30

"The problem with that body of research is that it's difficult to interpret because obviously people with existing mental health problems use cigarettes to self-medicate."

VOA: standard.2010.06.15

He says it is increasingly important to do this analysis in connection with urbanization because more than half of the world population lives in urban areas.

VOA: standard.2009.03.23

"To be honest with you, it's probably been a lot better because I don't know what this site would have been like with 6- or 8,000 more people.

VOA: standard.2010.02.16

Because they are coming forward to give you blood, but at the end of it they may end up with bad news that they were not prepared for."

VOA: standard.2010.06.04

"I think that the World Expo is a great stage because it allows countries from around the globe to showcase their achievements and to interact with other countries."

VOA: standard.2010.05.02