The agreement will take effect once twenty-five countries have ratified it into law after signing it.

VOA: special.2009.12.08

He is working to develop disease-resistant plants, but he says it will probably take five years.

VOA: special.2010.06.08

Scientists say plants lose ninety-five percent of the water they take in through these pores.

VOA: special.2010.01.26

And,they take pictures, just as Joe Rosenthal did on February twenty-third, nineteen forty-five.

VOA: special.2010.05.31

Then,it can take a team of 10 people several hours to unload a shipment of five M-ATVs.

VOA: standard.2010.08.01