This powerful documentary film was written and directed by the Canadian photographer and biologist Rob Stewart.

VOA: special.2009.04.03

This powerful scientific instrument will be available to scientists all over the world.

VOA: special.2011.05.23

He thought that this was evidence that the bottom of the ocean had been lifted up by powerful geological forces over long periods of time.

VOA: special.2009.02.25

This is a powerful image about racial separation in society at that time.

VOA: special.2009.03.23

This comment helps explain what is so powerful about Diane Arbus's work.

VOA: special.2009.08.09

This great wealth made them very powerful.

VOA: special.2010.06.03

"This is a powerful bit of evidence that will go into the thinking and formulation of guidelines and of global policy, policy by WHO,by UNAIDS, by the international organizations that help to provide drugs in the developing world."

VOA: special.2011.05.18

"We will rebuild this economy stronger than before,and at its heart will be three powerful words: Made In America."

VOA: standard.2010.08.11

That's very powerful," This past September, Sierra Club books published Shelton Johnson's first novel, called Gloryland.

VOA: standard.2009.11.25

I found that this interconnection between the manmade and the natural world was most powerful.

VOA: standard.2009.12.15

After returning from a trip to Afghanistan, Senator Daniel Inouye, who heads the powerful Senate Appropriations Committee, issued a statement this week appearing to support the request by General McChrystal for more troops, although Inouye said more discussion would be needed before any final decision on troop levels is made.

VOA: standard.2009.10.15

"They are doing that because he is popular with their own people,which means that they get some reflected glory at home, and that is where you get (political) leverage, because this is an American leader who can speak over the heads of the domestic leaders, and that is powerful,".

VOA: standard.2009.04.03

Observers say with the current reunification talks not only being seen as the best hope for reunification in decades as well as carrying the hopes of Turkey's EU bid, whoever wins this weekend's election in Turkish Cyprus will be aware there are powerful forces behind the continuation of those talks.

VOA: standard.2010.04.15