As young players prepare to begin their professional careers in the sport, one important person in American football announced his retirement.

VOA: special.2009.05.01

He earned a little money by serving as a model to artists who could not pay for a professional model.

VOA: special.2009.08.01

It used to be that players in professional sports could change teams only if they were traded, sold or released.

VOA: special.2010.07.26

The book is a history of science, professional morals and the human story behind a famous line of cells.

VOA: special.2010.07.21

But first,we talk to some Americans who have retired from their professional lives but still work hard to help others.

VOA: special.2010.07.16

The new findings were presented this week in San Antonio,Texas, at a meeting of the Associated Professional Sleep Societies.

VOA: special.2010.06.09

The program was important because it helped provide work for more than three thousand seven hundred professional artists who were unemployed.

VOA: special.2009.03.23

But if irrigation fails, the best thing to do is to go to a health careprovider for professional assistance.

VOA: special.2010.03.31

Yale University astronomer Debra Fischer says non-professional astronomers around the world are helping study the new information about the possible planets.

VOA: special.2011.02.09

The first shooting incident by a person who could be considered a professional gunman took place in Texas in eighteen fifty-four.

VOA: special.2010.03.10

She spent most of her life working to change traditional beliefs about art,artists and a woman's professional role in society.

VOA: special.2009.07.12

The first recorded shooting incident by a person who was a professional gunman took place in Texas in eighteen fifty-four.

VOA: special.2010.03.17

And for people who use their voices a lot, like singers or professional speakers, get voice training and use an amplifier.

VOA: special.2009.09.02

By nineteen forty-five, there was a lot of heat in a lot of different areas -- professional baseball was certainly feeling that.

VOA: special.2009.04.05