The researchers found the presence of carbon thirteen, a version of the carbon atom that is usually found in space.

VOA: special.2009.09.30

The system is designed to identify the presence of contaminants like soil or animal waste on fresh produce.

VOA: special.2011.06.07

Scientists say the presence of iron in the rock shows that the weather was hot and dry when the rock was first formed.

VOA: special.2009.04.15

Do you see now.'" The American writer, Robert Penn Warren says about Faulkner, "The important thing is the presence of the idea of truth.

VOA: special.2010.01.03

As a result, doctors often have trouble recognizing and confirming the presence of the disease.

VOA: special.2011.08.02

He expressed President Obama's deep concern over the continued presence of Sudanese forces in Abyei.

VOA: special.2011.06.04

Similar devices on NASA's Cassini and Epoxi spacecraft also reported the presence of water.

VOA: special.2009.09.30

They say the presence of informal schools means that Kenya has two levels of education: One for children from the slums, another for children from better conditions.

VOA: special.2009.08.24

The presence of carbon thirteen confirmed that the glycine was from space.

VOA: special.2009.09.30

They also have been linked to the presence of liquid water.

VOA: special.2010.07.28

President Lincoln worried about the presence of Confederate supporters in Maryland.

VOA: special.2009.08.20

It was enough to be in the presence of this great anchor I so admired, and to realize he was not above having a beer at the end of a very long broadcast with low-level support people.

VOA: special.2009.08.16

The statement said the reclusive militant leader will never agree to talks that prolong the presence of foreign troops in Afghanistan.

VOA: standard.2009.11.27

He repeated that condemnation in the presence of Palestinian President Mahmoud Abbas during a visit to the West Bank.

VOA: standard.2010.03.11