Researchers place a big block of tar into the machine.

VOA: special.2010.04.07

"In my mind a block of carbon neutral, developing nations could change the outcome of Copenhagen,".

VOA: standard.2009.11.09

Kurdish opposition groups led by the "Goran", or Change block of Nusherwan Mustapha, issued a list of complaints about improper electoral procedures and numerous irregularities during Saturday's vote.

VOA: standard.2009.07.26

It started out as a nine ton block of ice.

VOA: standard.2009.12.13

Meanwhile,the leader of the Shi'ite rebels, Abdelmalik al-Houthi, says that he is willing to participate in negotiations toward a settlement, according to a plan outlined in September by a block of Yemeni opposition parties.

VOA: standard.2009.10.11

(SAYING) On the southern coast - known as the Costa del Sol - block after block of apartments lie empty or half finished, many of them designed for foreign buyers who have long since abandoned the idea of investing in Spain.

VOA: standard.2010.06.24

The action will let the Treasury Department block or seize any of their money within reach of United States laws.

VOA: special.2009.04.18

The Cultural District is a fourteen block area of downtown that includes public spaces, art galleries and six major theaters.

VOA: special.2009.07.13

Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

She may have dreams. But she does not allow them to block her understanding of what is real.

VOA: special.2009.03.08

The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

As a neutral state, Kentucky could block northern troops from much of the South.

VOA: special.2009.08.20

Other kinds of operations can block the spread of electrical activity in the brain.

VOA: special.2010.10.26

Now,unless Congress changes the law, network providers can slow or block services of competitors.

VOA: special.2010.04.09