As a young girl, Professor Nyokong says she went to school on some days and took care of sheep on other days.

VOA: special.2009.05.13

Rainfall has a direct link to the growth and width of rings on some kinds of trees.

VOA: special.2010.05.25

Signs on some of the houses say they were built as long ago as the seventeenth century.

VOA: special.2011.07.25

Such problems had led Air France to begin replacing older sensors on some of its Airbus planes, but not the one that crashed.

VOA: special.2009.06.13

On some winter days, for example, you may find cold winds and snow at the top.

VOA: special.2009.10.07

The film includes comments based on some of the messages Aron Ralston recorded on his video recorder to friends and family while he was trapped.

VOA: special.2010.12.13

But first,we report about some special young people who have taken on some big causes.

VOA: special.2009.07.31

One possibility is to expand federal guarantees against losses on some troubled financial assets.

VOA: special.2009.01.30

And there were charges that Mormons were responsible for Indian attacks on some officials.

VOA: special.2009.06.04

As Andrew Johnson prepared to leave the White House a few months after Grant's election, he would look back on some successes during his time as president.

VOA: special.2010.02.11

The legislation,he said, "places a higher value on some lives than others."

VOA: special.2009.10.31

But the world economic crisis has had an effect on some farmers.

VOA: special.2009.08.17

He also called for a three-year freeze on some federal spending.

VOA: special.2010.01.30

That team disagreed on some points with the findings in Science.

VOA: special.2009.05.05