There is literally concrete evidence of their work." Tony Hawk says skateboarding was once a sport on the edge of society.

VOA: special.2009.09.11

And so we can thank the American buffalo that once wondered the open plains for this meaning of the word buff.

VOA: special.2009.05.17

Union troops quickly moved into Richmond.Then they raised the United States flag over the once proud capital of the Confederacy.

VOA: special.2009.12.17

The idea of her little family looking fresh and new for once in their lives made her restless with excitement.

VOA: special.2009.09.05

Huge amounts of water ran into a low area in the dry, waterless desert that had once been an ancient lake.

VOA: special.2009.08.12

and tamed them with the magic trick of staring into all their yellow eyes with out blinking once.

VOA: special.2009.10.05

Later,Alfred Wegener said the continents had once been part of a huge area of land he called Pangaea.

VOA: special.2010.01.12

Her MySpace page says her doctor once told her she had the larynx of a "very young adolescent."

VOA: special.2009.01.30

People think that once you get infected one time you develop immunity for the rest of your life.

VOA: special.2011.04.20

Betty Friedan once spoke to ABC television about her support for sharing responsibility for the care of children.

VOA: special.2009.10.18

But once it was built, family members of the dead, Vietnam veterans, and the general public accepted its beauty and strong emotion.

VOA: special.2009.05.06

The museum also has many fossil remains of the huge cats that once lived in the area.

VOA: special.2010.04.07

It can be treated when found early, but once it grows the chances of survival drop sharply.

VOA: special.2009.05.13

The University of Southern California in Los Angeles once again had the highest number of foreign students.

VOA: special.2009.11.26