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

VOA: special.2010.08.10

So the group started a competition called the National Geographic Bee to test students' knowledge about places around the world.

VOA: special.2009.05.29

In nineteen fifty-two, Mister Chavez met Fred Ross, an organizer with a workers' rights group called the Community Service Organization.

VOA: special.2009.09.06

He was five years old when he began singing with his brothers in a group called the Jackson 5.

VOA: special.2009.07.05

Earlier this week, he used a law called the Foreign Narcotics Kingpin Designation Act to target three Mexican drug organizations.

VOA: special.2009.04.18

Three were plant-eaters. They were the western horse, the ancient bison and a two-meter tall animal called the Harlan's ground sloth.

VOA: special.2010.04.07

But first we report on American efforts to get Hispanics to take part in the population count called the census.

VOA: special.2010.05.07

Some people say it was a fitting subject because Cecil B.DeMille often was called the greatest showman in Hollywood.

VOA: special.2009.05.31

Studies have shown that activation of the trigeminal nerve may come from a part of the brain called the hypothalamus.

VOA: special.2011.05.03

One senator said the administration should not have been called the Pierce administration, because Pierce did not lead it.

VOA: special.2009.04.16

So Los Angeles is sometimes called The Big Orange because of the fruit that grows in that city's warm climate.

VOA: special.2010.01.03

In "Marina of the Zabbaleen" director Engi Wassef explores a group of Christian garbage collectors in Cairo called the Zabbaleen.

VOA: special.2009.03.25

Jamaica Corker says more than twenty thousand people called the hotline in two thousand eight, the latest year available.

VOA: special.2010.05.03

Right now a program called the Black Barbershop Health Outreach Program is traveling to fifty cities across the United States.

VOA: special.2010.10.27