"Let me just explain in very simple terms what synthetic C.D.O.s are.

VOA: special.2010.04.30

The exhibits include historical objects that explain his presidency, his famous speeches and his life in the White House.

VOA: special.2009.07.24

The speech he gave would be one of his last, as Kay Gallant and Harry Monroe explain this week in our series.

VOA: special.2009.12.31

The study found that climate conditions alone could not explain the amount of tree cover in different areas.

VOA: special.2009.09.01

We explain its place in the history of the first stagecoaches that carried mail to the American West.

VOA: special.2010.04.26

Scientists in the United States and other countries have been working to explain the mysterious disappearances of bees.

VOA: special.2009.09.22

The scientists say that studies based on the new genome may help explain, in the short-term, why the organism has been so aggressive.

VOA: special.2009.11.03

And those extra calories could help explain the rise in overweight children in the United States.

VOA: special.2010.03.17

He said he tried to explain what children generally are like at different times in their development so parents would know what to expect.

VOA: special.2009.03.15

The scientists say that in the short term, studies based on the new genome may help explain why the pathogen has been so aggressive.

VOA: special.2009.10.20

This might explain why he is probably better known overseas than in the United States.

VOA: special.2009.11.10

It says an explosion or explosions by comets could explain the disappearance of many animals and human beings who lived in North America at that time.

VOA: special.2009.01.20

Experts explain that the movement of air in the atmosphere and natural qualities of the human eye caused him to see markings that were not there.

VOA: special.2010.07.11

The report says the changes could explain why persons born by Caesarean section are more likely to get diseases like diabetes and asthma later in life.

VOA: special.2009.11.24