This kind of joint pain is the reason why dengue fever is sometimes known as breakbone fever.

VOA: special.2009.05.26

Experts say this is why it is important to eat a mixture of foods every day, to get enough of the vitamins our bodies need.

VOA: special.2009.04.21

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

VOA: special.2009.11.10

This is why the alliance is important for combining resources and finding new ones.

VOA: special.2010.01.05

That is why we are here today. I want to be clear about this.

VOA: special.2009.11.13

This is why people often end up at the National Archives in Washington.

VOA: special.2010.06.28

This is why experts advise against placing mums near nightlights or streetlights.

VOA: special.2010.06.29

"And I think this is why Zaytuna College is so important.

VOA: special.2010.08.05

This is why the project is now known as Project Twenty-Three.

VOA: special.2010.04.07

Doctors do not yet know why this is true.

VOA: special.2010.06.15

"Why aren't more science talks in a bar,right? Like this is the place where you learn and you ask and you understand things most quickly, instead of a lecture where it's really just a one-way thing."

VOA: special.2010.05.14

And,that is why this campaign is so important." But that view is out of step with many in war-weary Britain.

VOA: standard.2009.08.02

"That's why I've quit," "Where Kony is fighting from is different from where I went to negotiate this agreement.

VOA: standard.2009.08.27

And I think this is why they have this agreement to, jointly with the Ugandan troops, try to address the issue,"

VOA: standard.2009.08.27