In nineteen eighty-two, American researchers James Wilson and George Kelling wrote a report describing what they called the broken windows theory.

VOA: special.2009.03.03

They called it a sacrifice to research that led the way to one of the greatest medical discoveries of the century.

VOA: special.2009.01.27

Two years ago,European researchers reported that aspirin may have what they called a "long-term protective effect against colorectal cancer."

VOA: special.2010.12.14

The scientists investigated the effect of pollution and climate change on what they called the rainforests of the ocean.

VOA: special.2010.08.10

Three hours later, NASA officials told the crew that everything was "OK" for what they called TLI, or trans-lunar injection.

VOA: special.2009.07.08

They were big,rough fellows. They had chosen me as the only 'Dutchman' -- as they called me -- to make them laugh.

VOA: special.2010.08.01

It is the band's seventh studio album and the first without LeRoi Moore whom they called "GrooGrux King."

VOA: special.2009.08.28

But they called for investigation of a large number of reports of voter registration cards being sold.

VOA: special.2009.08.22

Instead,they called for a temporary political agreement while continuing to negotiate a replacement for the Kyoto Protocol.

VOA: special.2009.11.21

The presidents and prime ministers launched what they called a Framework for Strong, Sustainable and Balanced Growth.

VOA: special.2009.10.02

They called him a traitor. Yet most people of the North accepted Webster's appeal for compromise.

VOA: special.2009.04.02

They called it the Free Soil Party, because they believed in free land for free settlers.

VOA: special.2009.03.12

The Collective worked together to form the details of Rand's philosophy, which they called "Objectivism."

VOA: special.2010.06.06

And they called for more voting power for developing nations in the World Bank.

VOA: special.2009.10.02