But why is that? A study published in two thousand three in the journal Science offered an answer.

VOA: special.2009.06.24

"Why would you want a plastic that you use for a year to last for two hundred years?

VOA: special.2010.06.01

Two new studies have investigated why fewer females,compared to males, study and work in the so called STEM subjects in the United States.

VOA: special.2010.04.01

That's why creating jobs has to be our number one priority in two thousand and ten."

VOA: special.2010.01.30

Why,if there was two birds setting on a fence, he would want you to decide which one would fly first so he could win money.

VOA: special.2009.08.29

We asked two Trekkers why they love the series.

VOA: special.2009.06.05

But in a recent BBC poll, two-fifths of those questioned said they did not even know why British forces are in Afghanistan.

VOA: standard.2009.11.10

He also questioned why Mr.Zelaya chose to return now two months ahead of new presidential elections.

VOA: standard.2009.09.22

We came up with a back story between the two of us about what things had gone on in the past and why she was so dedicated to him, so loyal and hurt for him so badly."

VOA: standard.2010.06.20

"In Europe and also here increasingly in the U.S., they are talking as if we had basically lost it and the main question was talking to the Taliban and settling to some degree on their terms, whereas we still have not tried - and I think it would be worth trying for a year, at least,or two - to address the causes as to why the Taliban has become relatively popular, or at least relatively accepted,"

VOA: standard.2009.03.11