Jan Low with the International Potato Center, a research organization, says the sweet potato needs a better image in Africa.

VOA: special.2011.01.04

That is the amount of time it took Associated Press photographer Joe Rosenthal to capture a historic image on film.

VOA: special.2010.05.31

The image of the Butterfly nebula shows the intense color and detail that only Hubble can provide with such clearness.

VOA: special.2009.09.30

Some people criticize his art for only showing a false or very limited image of America, one that is white and middle-class.

VOA: special.2010.09.20

Michael Jackson understood the power of these videos in bringing attention to his music and to his image.

VOA: special.2009.07.05

Charley Wickham was part of the team that looked for a way to change the image of libraries.

VOA: special.2011.07.11

He knew that the South African government was trying to change its image so it could take part in the Olympic Games.

VOA: special.2010.02.07

One was called "Empire". It showed a filmed image of the Empire State Building in New York City.

VOA: special.2010.09.05

There is also an image of a bell inside a copper-colored inkwell on the front of the note.

VOA: special.2010.11.15

The number of visitors was falling. So a campaign was launched to give the city a new image.

VOA: special.2009.12.27

Maya Lin worked with ocean scientists to develop a three dimensional image of this part of the ocean.

VOA: special.2009.05.06

The image of a seated person almost fully hidden by clothing captures the cold and loneliness of winter.

VOA: special.2010.02.03

This week,our subject is mothers and how their image has changed over the years in film and television.

VOA: special.2009.05.04

Research has linked participation in sports to positive effects like better self-image, fewer teen pregnancies and higher grades.

VOA: special.2010.03.04