This week,government scientists raised their estimate of the leak to between thirty-five and sixty thousand barrels of oil each day.

VOA: special.2010.06.19

But there have also been efforts to bridge the differences between religious belief and evolutionary science in recent years.

VOA: special.2009.12.01

he wrote a letter to Rand. He wrote that he wanted to discuss the relationship between psychology and Rand's ideas.

VOA: special.2010.06.06

Clay urged his friends in the border states between North and South to try to build public support for the Union.

VOA: special.2009.03.19

She says that she is always trying to find a balance between these opposing forces to find a place where opposites meet.

VOA: special.2009.05.06

Some reports say the competition between the two advice columns led to a dispute between the twin sisters.

VOA: special.2011.04.24

And on Wednesday, Senate Majority Leader Harry Reid announced a deal between Democrats and Republicans to clear the way for final approval.

VOA: special.2009.08.07

The go-between sees to it that money is passed - often illegally - from one person to another.

VOA: special.2009.01.25

The Union commander,General Hooker, had to keep his army between Lee and Washington to prevent the Confederates from seizing the national capital.

VOA: special.2009.10.22

NASA said its astronaut candidates had to be between twenty-five and forty years old and in excellent health.

VOA: special.2009.06.10

As president in eighteen fifty-three, Pierce was forced to choose between two policies on the issue of slavery.

VOA: special.2009.04.16

The railroads said the laws were not constitutional, because they interfered with the right of Congress to control trade between the states.

VOA: special.2010.04.15

Most fruits and vegetables need the relative humidity in storage to be kept between eighty-five and ninety-five percent.

VOA: special.2009.11.30

The hot line had an important purpose: to prevent accidental war between the two competitors during the period known as the Cold War.

VOA: special.2009.12.06