We're seeing a lot of competition for resources, which is inevitable in periods of scarcity.

VOA: standard.2010.07.15

In Kenya,a project aims to educate girls about H.I.V.prevention while helping them stay in school during their monthly periods.

VOA: special.2009.03.16

These problems may appear and then disappear, sometimes resulting in long periods when there are no problems at all.

VOA: special.2009.01.06

In this form, the signs of the disease appear and begin to grow worse, with no periods of disappearance.

VOA: special.2009.01.06

The two time periods tested whether people were more likely to act differently in the short term than in the long term.

VOA: special.2009.03.03

Their purpose was to explore some of the problems of manned flight, during short periods,in lower space.

VOA: special.2010.07.07

Often the mother had to be treated in a hospital for long periods of time.

VOA: special.2009.12.06

Over long periods of time, these small changes result in the creation of new species.

VOA: special.2009.12.01

Evidence shows that extended periods of cortisol in the body weakens bones, damages nerve cells in the brain and weakens the body's defense system against disease.

VOA: special.2009.03.24

Astronauts worked for longer periods of time in the hostile environment of space.

VOA: special.2009.07.01

And she helped during periods when people were starving in Russia and Armenia.

VOA: special.2009.07.26

that tell about life in America during two different periods.

VOA: special.2009.03.23

But,he says those arriving in Greece outstrip these efforts, so children remain in detention for long periods.

VOA: standard.2009.08.29

The 81-year-old king of Thailand has no formal political role but has been a unifying force in Thailand during periods of political uncertainty.

VOA: standard.2009.10.15

continues to be a celebration of the profound change in this hemisphere as compared to many periods in the past when the hemisphere was marked by undemocratic governments.

VOA: standard.2009.04.15

So now there is a problem of credibility of what the government is going to do, and of course the situation is different to situations in other periods because now there is a common currency."

VOA: standard.2010.06.24

In Lebanon, which has known long periods of instability in recent years, Paul Haidostian, who is the president of Haigazian University, believes that Mr.Obama's Nobel is a step in the right direction and is a positive omen for the future.

VOA: standard.2009.10.09