Four years ago, the labor agency estimated that more than twelve million people were in some form of forced labor.

VOA: special.2009.06.08

Medical workers in Haiti are now trying to spread the message not to use river water without some form of purification.

VOA: special.2010.11.10

They even used cacao seeds as a form of money to pay taxes or give as holy offerings to the gods.

VOA: special.2010.02.17

They warned of serious damage to the American form of government if the president was removed for political reasons.

VOA: special.2010.01.28

Each side of these devices blocks a set of images that appear in a different form of polarized light.

VOA: special.2010.01.26

He wanted to express his feelings for the form of the skyscraper while deepening his understanding of architecture, engineering and construction.

VOA: special.2010.07.30

Frank Ruhli says studies like this can prove useful in the fight against H1N1, another form of the influenza virus.

VOA: special.2010.06.29

These comedies, with plenty of songs, were a popular form of entertainment in the nineteen twenties and nineteen thirties.

VOA: special.2009.02.15

Marcelo D2 became famous when he created a new form of hip-hop by mixing it with the Brazilian music called samba.

VOA: special.2009.11.25

She hoped women would have jobs at every level of the industry when flying became a common form of transportation.

VOA: special.2010.05.26

The World Health Organization says one in three women around the world will experience some form of violence in their lifetime.

VOA: special.2009.10.24

Another concern is that trade partners may consider the G.M.rescue a form of government support barred by free trade agreements.

VOA: special.2009.06.05

Max Arthur Cohn's painting "Coal Tower" shows the dark form of a coal tower against a light sky.

VOA: special.2009.03.23

Researchers found that these drinkers develop a form of esophageal cancer six to ten times more often than those without the deficiency.

VOA: special.2009.05.13