A five-month federal investigation of the so-called flash crash suggested a single big trade may have been the cause.

VOA: special.2010.12.31

The Raptorex Kriegsteini reportedly was discovered inside a single piece of rock in the Inner Mongolia area of China.

VOA: special.2009.10.13

In fact, the average sale price of a single-family home in Jackson Hole is more than one million dollars.

VOA: special.2009.02.16

The value of stock for the Montgomery Ward store dropped from eighty-three dollars to fifty in a single day.

VOA: special.2011.02.17

Studies support the theory that there are several causes, instead of a single environmental cause or genetic problem.

VOA: special.2009.01.06

He said the world knows of her because of a single act of bravery that struck a deadly blow to racial hatred.

VOA: special.2009.03.08

Now,at last, the two coasts of the United States were united by a single line of metal rail.

VOA: special.2010.02.25

Colin Firth plays a college professor who is mourning the death of his partner in "A Single Man."

VOA: special.2010.03.01

One group took Polycap. The other groups took either a single drug or different combinations of the medicines in the Polycap pill.

VOA: special.2009.04.08

The experts also said people should take less than four thousand milligrams of acetaminophen in a single day.

VOA: special.2009.07.08

They also said people should take less than four thousand milligrams of acetaminophen in a single day.

VOA: special.2009.07.21

Or,she can let you try a "single origin" chocolate grown in only one area of the world.

VOA: special.2010.02.17

L is for layers.Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing.

VOA: special.2009.12.23

Paul Bunyan could clear large wooded areas with a single stroke of his large, sharp axe.

VOA: special.2009.01.24