But researchers say they did not have much scientific evidence of that -- until now.

VOA: special.2009.03.18

Until now,federal law has covered crimes based on a victim's race,color, religion or national origin.

VOA: special.2009.10.31

I didn't tell anybody until now. But, yeah, I thought it was really good."

VOA: special.2010.06.14

Until now, the state of Florida has spent the most money on the project.

VOA: special.2009.06.30

Until now,you could see art videos on museums' Web sites or on YouTube.

VOA: special.2009.08.28

But it has never made it to the championship game until now.

VOA: special.2010.02.05

Until now,only four genes had been linked with the disease.

VOA: special.2009.09.15

That is clear."Until now, Lee's face had shown no emotion.

VOA: special.2009.12.24

"Until now, nobody knew it but Scoresby and myself.

VOA: special.2009.01.03

Until now,nobody knew it but Scoresby and myself.

VOA: special.2010.03.27

But until now they were barred from submarines.

VOA: special.2010.05.21

Until now, Homer had used oil-based paints.

VOA: special.2010.07.25

No one will be spared. Until now,nations have focused almost solely on ways to mitigate climate change by reducing greenhouse gases.

VOA: standard.2009.08.31

The accounts are believed to hold as much as $18 billion in undeclared assets that until now were hidden from U.S.taxes.

VOA: standard.2009.08.19